Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices (2024)
Chapter: Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base
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Appendix J: Summary for Test No. 23012
Next Chapter: Appendix L: Detailed Simulation Results PSST Sign Support System
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Table 0-1. Detailed Simulation Results – Steel Luminaire Pole with TB1-17 Frangible Base – Case No. 1B-1-11ga
| Pole | Height [ft] | Pole Dimensions | Mast Arm | Transformer Base | Pole Thickness | Weight [lb] | MASH Desig. | Impact Location | Impact Angle (Degree) | Pole Failure Mechanism | Occupant Compartment Deformation | Max. Roll and Pitch Angle (Degree) [Max: 75°] | OIV [ft/s] [P: 10ft/s; Max: 16 ft/s] | Ridedown Acceleration [P: 15g; Max:20.49g] | Simulation Results | Potential to Pass MASH | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1B-1 | 20′ | 7″ Base | Single 4′ | TB1-17 | 11 ga | 259 lb | MASH 3-60 | Left 1/4 | 0 | Fracturing at base of TB | C-pillar: 0.87 in. | Roll | 0.79 | Long.: | -10.22 | Long.: | 0.46 | Max. C-pillar. 1.32 in. | Medium |
| Pitch | -1.78 | Lat.: | -0.26 | Lat.: | 0.62 | ||||||||||||||
| 25 | Fracturing at base of TB | Roof: 1.4 in.; Windshield: 1.1 in. | Roll | 0.81 | Long.: | -14.31 | Long.: | -0.94 | Max. roof deform.1.4 in. | Medium | |||||||||
| Pitch | -1.37 | Lat.: | -0.85 | Lat.: | 0.89 | ||||||||||||||
| Center | 0 | Fracturing at base of TB | Roof: 0.82 in.; Windshield: 1.3 in. | Roll | 1.68 | Long.: | -12.85 | Long.: | -0.79 | Max. roof deform.0.82 in.; Max. windshield deform.: 1.3 in. | Medium | ||||||||
| Pitch | -0.42 | Lat.: | 0.09 | Lat.: | -0.77 | ||||||||||||||
| 25 | Fracturing at base of TB | A-pillar: 0.4 in. | Roll | 1.76 | Long.: | -14.13 | Long.: | -0.82 | A-pillar: 0.4 in. | Medium | |||||||||
| Pitch | -2.10 | Lat.: | 0.69 | Lat.: | 0.92 | ||||||||||||||
| Right 1/4 | 0 | Fracturing at base of TB | A-pillar: 0.6 in. | Roll | 1.04 | Long.: | -10.22 | Long.: | 0.39 | A-pillar: 0.4 in. | Medium | ||||||||
| Pitch | -1.48 | Lat.: | 0.71 | Lat.: | -0.61 | ||||||||||||||
| 25 | Fracturing at base of TB | A-pillar: 0.4 in. | Roll | -3.00 | Long.: | -17.17 | Long.: | -2.03 | A-pillar: 0.4 in. | Low | |||||||||
| Pitch | -1.37 | Lat.: | 1.95 | Lat.: | -3.07 | ||||||||||||||
| MASH 3-61 | Left 1/4 | 0 | Fracturing at base of TB | None | Roll | 1.22 | Long.: | -10.81 | Long.: | -0.74 | None occupant compartment deform. | High | |||||||
| Pitch | -0.80 | Lat.: | 0.03 | Lat.: | 0.90 | ||||||||||||||
| 25 | Fracturing at base of TB | None | Roll | 2.63 | Long.: | -12.12 | Long.: | -0.94 | None occupant compartment deform. | High | |||||||||
| Pitch | -2.14 | Lat.: | 0.31 | Lat.: | 0.93 | ||||||||||||||
| Center | 0 | Fracturing at base of TB | None | Roll | 2.01 | Long.: | -11.49 | Long.: | -2.04 | None occupant compartment deform. | High | ||||||||
| Pitch | -2.26 | Lat.: | 0.00 | Lat.: | 3.00 | ||||||||||||||
| 25 | Fracturing at base of TB | None | Roll | 0.55 | Long.: | -11.59 | Long.: | -0.83 | None occupant compartment deform. | High | |||||||||
| Pitch | -2.18 | Lat.: | 0.08 | Lat.: | -0.90 | ||||||||||||||
| Right 1/4 | 0 | Fracturing at base of TB | None | Roll | 1.31 | Long.: | -11.01 | Long.: | -0.57 | None occupant compartment deform. | High | ||||||||
| Pitch | -0.80 | Lat.: | 0.23 | Lat.: | -1.06 | ||||||||||||||
| 25 | Fracturing at base of TB | None | Roll | 1.47 | Long.: | -11.82 | Long.: | 0.56 | None occupant compartment deform. | High | |||||||||
| Pitch | -0.82 | Lat.: | 0.66 | Lat.: | -0.84 | ||||||||||||||
| MASH 3-62 | Left 1/4 | 0 | Fracturing at base of TB | None | Roll | -2.45 | Long.: | -5.81 | Long.: | -0.42 | None occupant compartment deform. | High | |||||||
| Pitch | -1.78 | Lat.: | 0.96 | Lat.: | 0.54 | ||||||||||||||
| 25 | Fracturing at base of TB | None | Roll | -1.20 | Long.: | -7.79 | Long.: | -0.40 | None occupant compartment deform. | High | |||||||||
| Pitch | -1.30 | Lat.: | 1.08 | Lat.: | 0.64 | ||||||||||||||
| Center | 0 | Fracturing at base of TB | None | Roll | -1.03 | Long.: | -6.53 | Long.: | -0.36 | None occupant compartment deform. | High | ||||||||
| Pitch | -0.75 | Lat.: | 0.16 | Lat.: | 0.45 | ||||||||||||||
| 25 | Fracturing at base of TB | None | Roll | -1.08 | Long.: | -9.17 | Long.: | -0.47 | None occupant compartment deform. | High | |||||||||
| Pitch | -0.80 | Lat.: | 0.12 | Lat.: | 0.53 | ||||||||||||||
| Right 1/4 | 0 | Fracturing at base of TB | None | Roll | 0.86 | Long.: | -5.73 | Long.: | 0.36 | None occupant compartment deform. | High | ||||||||
| Pitch | 1.24 | Lat.: | -0.58 | Lat.: | -0.94 | ||||||||||||||
| 25 | Fracturing at base of TB | None | Roll | 0.56 | Long.: | -7.69 | Long.: | -0.39 | None occupant compartment deform. | High | |||||||||
| Pitch | 1.06 | Lat.: | -1.10 | Lat.: | -0.65 | ||||||||||||||
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Table 0-2. Detailed Simulation Results – Steel Luminaire Pole with TB1-17 Frangible Base – Case No. 1B-54-11ga
| Pole | Height [ft] | Pole Dimensions | Mast Arm | Transformer Base | Pole Thickness | Weight [lb] | MASH Desig. | Impact Location | Impact Angle (Degree) | Pole Failure Mechanism | Occupant Compartment Deformation | Max. Roll and Pitch Angle (Degree) [Max: 75°] | OIV [ft/s] [P: 10ft/s; Max: 16 ft/s] | Ridedown Acceleration [P: 15g; Max:20.49g] | Simulation Results | Potential to Pass MASH | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1B-54 | 20 | 7″ Base | Dual 4′ | TB1-17 | 11 ga | 374 lb | MASH 3-60 | Left 1/4 | 0 | Fracturing at base of TB | C-pillar: 1.1 in. | Roll | 0.72 | Long.: | -10.34 | Long.: | -0.31 | C-pillar: 1.1 in. | Medium |
| Pitch | -1.66 | Lat.: | -0.16 | Lat.: | -0.71 | ||||||||||||||
| 25 | Fracturing at base of TB | C-pillar: 1 in. | Roll | 0.95 | Long.: | -12.81 | Long.: | -1.04 | C-pillar: 1 in. | Medium | |||||||||
| Pitch | -2.33 | Lat.: | -0.33 | Lat.: | 0.80 | ||||||||||||||
| Center | 0 | Fracturing at base of TB | Roof: 2.6 in.; Windshield: 1.2 in.; Rear window: 1.4 in. | Roll | 2.24 | Long.: | -12.88 | Long.: | -1.06 | Max. roof deform. 2.6 in.; Max. windshield deform.: 1.2 in. | Medium | ||||||||
| Pitch | -2.89 | Lat.: | 0.11 | Lat.: | -0.78 | ||||||||||||||
| 25 | Fracturing at base of TB | Roof: 6.7 in.; Windshield: 4.4 in. | Roll | 3.11 | Long.: | -13.45 | Long.: | 0.59 | Max. roof deform. 6.7 in.; Max. windshield deform.: 4.4 in. | Low | |||||||||
| Pitch | -2.02 | Lat.: | -0.03 | Lat.: | 0.61 | ||||||||||||||
| Right 1/4 | 0 | Fracturing at base of TB | None | Roll | 1.03 | Long.: | -11.28 | Long.: | 0.41 | None occupant compartment deform. | High | ||||||||
| Pitch | -1.50 | Lat.: | 0.64 | Lat.: | -0.76 | ||||||||||||||
| 25 | Fracturing at base of TB | None | Roll | -1.83 | Long.: | -16.18 | Long.: | 0.94 | None occupant compartment deform; | Low | |||||||||
| Pitch | -1.30 | Lat.: | 2.75 | Lat.: | -1.57 | ||||||||||||||
| MASH 3-61 | Left 1/4 | 0 | Fracturing at base of TB | None | Roll | 1.12 | Long.: | -11.18 | Long.: | 0.72 | None occupant compartment deform. | High | |||||||
| Pitch | -0.80 | Lat.: | -0.04 | Lat.: | -0.83 | ||||||||||||||
| 25 | Fracturing at base of TB | None | Roll | 1.75 | Long.: | -12.36 | Long.: | 0.87 | None occupant compartment deform. | High | |||||||||
| Pitch | -1.56 | Lat.: | 0.32 | Lat.: | 1.01 | ||||||||||||||
| Center | 0 | Fracturing at base of TB | None | Roll | 0.50 | Long.: | -11.60 | Long.: | -0.57 | None occupant compartment deform. | High | ||||||||
| Pitch | -2.34 | Lat.: | 0.33 | Lat.: | 0.58 | ||||||||||||||
| 25 | Fracturing at base of TB | None | Roll | 0.51 | Long.: | -11.59 | Long.: | -1.73 | None occupant compartment deform. | High | |||||||||
| Pitch | -1.98 | Lat.: | 0.05 | Lat.: | 0.66 | ||||||||||||||
| Right 1/4 | 0 | Fracturing at base of TB | None | Roll | 1.52 | Long.: | -11.26 | Long.: | 0.78 | None occupant compartment deform. | High | ||||||||
| Pitch | -0.99 | Lat.: | 0.23 | Lat.: | 1.28 | ||||||||||||||
| 25 | Fracturing at base of TB | None | Roll | 1.33 | Long.: | -11.55 | Long.: | -0.79 | None occupant compartment deform. | High | |||||||||
| Pitch | -0.96 | Lat.: | 0.54 | Lat.: | -0.94 | ||||||||||||||
| MASH 3-62 | Left 1/4 | 0 | Fracturing at base of TB | None | Roll | -2.51 | Long.: | -5.79 | Long.: | 0.52 | None occupant compartment deform. | High | |||||||
| Pitch | -1.80 | Lat.: | 0.91 | Lat.: | -0.79 | ||||||||||||||
| 25 | Fracturing at base of TB | None | Roll | -0.91 | Long.: | -5.36 | Long.: | -0.42 | None occupant compartment deform. | High | |||||||||
| Pitch | -1.33 | Lat.: | 1.26 | Lat.: | 0.64 | ||||||||||||||
| Center | 0 | Fracturing at base of TB | None | Roll | -1.09 | Long.: | -6.58 | Long.: | -0.37 | None occupant compartment deform. | High | ||||||||
| Pitch | -0.75 | Lat.: | 0.09 | Lat.: | 0.46 | ||||||||||||||
| 25 | Fracturing at base of TB | None | Roll | -0.92 | Long.: | -6.59 | Long.: | -0.27 | None occupant compartment deform. | High | |||||||||
| Pitch | -0.98 | Lat.: | 0.07 | Lat.: | -0.44 | ||||||||||||||
| Right 1/4 | 0 | Fracturing at base of TB | None | Roll | 0.94 | Long.: | -5.72 | Long.: | -0.40 | None occupant compartment deform. | High | ||||||||
| Pitch | 1.25 | Lat.: | -0.55 | Lat.: | -0.83 | ||||||||||||||
| 25 | Fracturing at base of TB | None | Roll | 0.62 | Long.: | -5.64 | Long.: | -0.27 | None occupant compartment deform. | High | |||||||||
| Pitch | 1.05 | Lat.: | -0.93 | Lat.: | -0.55 | ||||||||||||||
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Table 0-3. Detailed Simulation Results – Steel Luminaire Pole with TB1-17 Frangible Base – Case No. 1B-6-11ga
| Pole | Height [ft] | Pole Dimensions | Mast Arm | Transformer Base | Pole Thickness | Weight [lb] | MASH Desig. | Impact Location | Impact Angle (Degree) | Pole Failure Mechanism | Occupant Compartment Deformation | Max. Roll and Pitch Angle (Degree) [Max: 75°] | OIV [ft/s] [P: 10ft/s; Max: 16 ft/s] | Ridedown Acceleration [P: 15g; Max:20.49g] | Simulation Results | Potential to Pass MASH | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1B-6 | 20′ | 8″ Base | Single 15′ | TB1-17 | 11 ga | 305 lb | MASH 3-60 | Left 1/4 | 0 | Fracturing at base of TB | None | Roll | 1.06 | Long.: | -10.03 | Long.: | 0.34 | None | High |
| Pitch | -1.79 | Lat.: | -0.18 | Lat.: | -0.62 | ||||||||||||||
| 25 | Fracturing at base of TB | B-pillar: 0.61 in. | Roll | 1.09 | Long.: | -12.35 | Long.: | -1.05 | Max. B-pillar. 0.3 in. | Medium | |||||||||
| Pitch | -1.86 | Lat.: | -0.27 | Lat.: | 0.70 | ||||||||||||||
| Center | 0 | Fracturing at base of TB | Roof: 1.15 in.; Windshield: 1.06 in. | Roll | 1.63 | Long.: | -12.94 | Long.: | 0.62 | Max. roof deform.1.15 in.; windshield deform.: 1.06 in. | Medium | ||||||||
| Pitch | -0.77 | Lat.: | 0.04 | Lat.: | -0.58 | ||||||||||||||
| 25 | Fracturing at base of TB | A-pillar: 1.52 in. | Roll | 2.16 | Long.: | -13.97 | Long.: | -1.19 | Max. A-pillar. 1.52 in. | Medium | |||||||||
| Pitch | -2.17 | Lat.: | 0.24 | Lat.: | -1.01 | ||||||||||||||
| Right 1/4 | 0 | Fracturing at base of TB | A-pillar: 0.6 | Roll | 0.90 | Long.: | -11.52 | Long.: | -1.28 | A-pillar: 0.6 | Medium | ||||||||
| Pitch | -1.37 | Lat.: | 0.69 | Lat.: | -0.96 | ||||||||||||||
| 25 | Fracturing at base of TB | A-pillar: 0.3 | Roll | -2.55 | Long.: | -16.12 | Long.: | -1.14 | A-pillar: 0.6 | Low | |||||||||
| Pitch | -1.32 | Lat.: | 1.87 | Lat.: | -2.04 | ||||||||||||||
| MASH 3-61 | Left 1/4 | 0 | Fracturing at base of TB | None | Roll | 1.14 | Long.: | -10.98 | Long.: | -0.76 | None occupant compartment deform. | High | |||||||
| Pitch | -0.91 | Lat.: | 0.07 | Lat.: | 0.71 | ||||||||||||||
| 25 | Fracturing at base of TB | None | Roll | 2.88 | Long.: | -12.24 | Long.: | -0.85 | None occupant compartment deform. | High | |||||||||
| Pitch | -2.38 | Lat.: | 0.29 | Lat.: | -1.14 | ||||||||||||||
| Center | 0 | Fracturing at base of TB | None | Roll | 0.59 | Long.: | -10.33 | Long.: | 0.62 | None occupant compartment deform. | High | ||||||||
| Pitch | -1.78 | Lat.: | 0.56 | Lat.: | 0.63 | ||||||||||||||
| 25 | Fracturing at base of TB | None | Roll | 0.64 | Long.: | -11.51 | Long.: | -0.61 | None occupant compartment deform. | High | |||||||||
| Pitch | -2.00 | Lat.: | 0.12 | Lat.: | -0.78 | ||||||||||||||
| Right 1/4 | 0 | Fracturing at base of TB | None | Roll | 1.35 | Long.: | -11.06 | Long.: | 0.68 | None occupant compartment deform. | High | ||||||||
| Pitch | -1.18 | Lat.: | 0.22 | Lat.: | -1.08 | ||||||||||||||
| 25 | Fracturing at base of TB | None | Roll | 1.41 | Long.: | -11.81 | Long.: | 0.59 | None occupant compartment deform. | High | |||||||||
| Pitch | -0.85 | Lat.: | 0.78 | Lat.: | -0.83 | ||||||||||||||
| MASH 3-62 | Left 1/4 | 0 | Fracturing at base of TB | None | Roll | -2.50 | Long.: | -5.53 | Long.: | 0.64 | None occupant compartment deform. | High | |||||||
| Pitch | -1.69 | Lat.: | 0.11 | Lat.: | 1.56 | ||||||||||||||
| 25 | Fracturing at base of TB | None | Roll | -1.14 | Long.: | -5.61 | Long.: | -0.67 | None occupant compartment deform. | High | |||||||||
| Pitch | -1.36 | Lat.: | 1.08 | Lat.: | 0.59 | ||||||||||||||
| Center | 0 | Fracturing at base of TB | None | Roll | -1.02 | Long.: | -6.57 | Long.: | -0.32 | None occupant compartment deform. | High | ||||||||
| Pitch | -0.81 | Lat.: | 0.20 | Lat.: | 0.47 | ||||||||||||||
| 25 | Fracturing at base of TB | None | Roll | -0.92 | Long.: | -6.58 | Long.: | -0.48 | None occupant compartment deform. | High | |||||||||
| Pitch | -0.95 | Lat.: | -0.01 | Lat.: | 0.74 | ||||||||||||||
| Right 1/4 | 0 | Fracturing at base of TB | None | Roll | -0.93 | Long.: | -5.78 | Long.: | -0.39 | None occupant compartment deform. | High | ||||||||
| Pitch | -1.36 | Lat.: | -0.55 | Lat.: | -0.76 | ||||||||||||||
| 25 | Fracturing at base of TB | None | Roll | 0.59 | Long.: | -5.67 | Long.: | -0.32 | None occupant compartment deform. | High | |||||||||
| Pitch | 1.09 | Lat.: | -0.96 | Lat.: | -0.73 | ||||||||||||||
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Table 0-4. Detailed Simulation Results – Steel Luminaire Pole with TB1-17 Frangible Base – Case No. 1B-59-11ga
| Pole | Height [ft] | Pole Dimensions | Mast Arm | Transformer Base | Pole Thickness | Weight [lb] | MASH Desig. | Impact Location | Impact Angle (Degree) | Pole Failure Mechanism | Occupant Compartment Deformation | Max. Roll and Pitch Angle (Degree) [Max: 75°] | OIV [ft/s] [P: 10ft/s; Max: 16 ft/s] | Ridedown Acceleration [P: 15g; Max:20.49g] | Simulation Results | Potential to Pass MASH | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1B-59 | 20′ | 7″ Base | Dual 15′ | TB1-17 | 11 ga | 467 lb | MASH 3-60 | Left 1/4 | 0 | Fracturing at base of TB; Pole fell off to vehicle side | C-pillar: 0.9 in. | Roll | 0.81 | Long.: | -10.29 | Long.: | 0.68 | C-pillar: 0.9 in. | Medium |
| Pitch | -1.77 | Lat.: | -0.27 | Lat.: | 0.68 | ||||||||||||||
| 25 | Fracturing at base of TB; Pole fell off to vehicle side | None | Roll | 1.10 | Long.: | -12.08 | Long.: | -1.16 | None occupant compartment deform. | High | |||||||||
| Pitch | -1.88 | Lat.: | -0.15 | Lat.: | 0.85 | ||||||||||||||
| Center | 0 | Fracturing at base of TB; Pole impacted roof | Roof: 3.38 in.; Windshield: 1.2 in; Rear window: 1.6 in. | Roll | 1.07 | Long.: | -12.92 | Long.: | 0.76 | Max. roof deform. 3.4 in.; Max. windshield deform.: 0.8 in. | Medium | ||||||||
| Pitch | -3.04 | Lat.: | 0.04 | Lat.: | 0.57 | ||||||||||||||
| 25 | Fracturing at base of TB; Pole impacted roof | A-pillar: 1.7 in.; B-pillar: 0.35 in. | Roll | 2.80 | Long.: | -13.27 | Long.: | -1.20 | Max. A-pillar. 1.2 in.; Max B-pillar. 0.35 in. | Medium | |||||||||
| Pitch | -2.05 | Lat.: | 0.13 | Lat.: | -0.94 | ||||||||||||||
| Right 1/4 | 0 | Fracturing at base of TB; Pole fell off to vehicle side | A-pillar: 0.6 | Roll | 0.87 | Long.: | -11.33 | Long.: | -0.66 | A-pillar: 0.6 | Medium | ||||||||
| Pitch | -1.42 | Lat.: | 0.62 | Lat.: | -0.92 | ||||||||||||||
| 25 | Fracturing at base of TB; Pole fell off to vehicle side | A-pillar: 0.4 | Roll | -1.89 | Long.: | -16.21 | Long.: | -1.02 | A-pillar: 0.4 | Medium | |||||||||
| Pitch | -1.28 | Lat.: | 2.71 | Lat.: | -1.46 | ||||||||||||||
| MASH 3-61 | Left 1/4 | 0 | Fracturing at base of TB; Pole fell off to vehicle side | None | Roll | 1.15 | Long.: | -11.13 | Long.: | -0.63 | None occupant compartment deform. | High | |||||||
| Pitch | -0.98 | Lat.: | 0.21 | Lat.: | 0.73 | ||||||||||||||
| 25 | Fracturing at base of TB; Pole fell off to vehicle side | None | Roll | 2.87 | Long.: | -12.31 | Long.: | 0.81 | None occupant compartment deform. | High | |||||||||
| Pitch | -2.32 | Lat.: | 0.34 | Lat.: | -0.80 | ||||||||||||||
| Center | 0 | Fracturing at base of TB; Pole fell off to vehicle side | None | Roll | 0.60 | Long.: | -10.56 | Long.: | 0.46 | None occupant compartment deform. | High | ||||||||
| Pitch | -2.29 | Lat.: | 0.16 | Lat.: | -0.60 | ||||||||||||||
| 25 | Fracturing at base of TB; Pole fell off to vehicle side | None | Roll | 0.63 | Long.: | -11.67 | Long.: | -0.71 | None occupant compartment deform. | High | |||||||||
| Pitch | -2.15 | Lat.: | 0.01 | Lat.: | -1.05 | ||||||||||||||
| Right 1/4 | 0 | Fracturing at base of TB; Pole fell off to vehicle side | None | Roll | 1.50 | Long.: | -11.23 | Long.: | 0.56 | None occupant compartment deform. | High | ||||||||
| Pitch | -1.08 | Lat.: | 0.27 | Lat.: | -1.16 | ||||||||||||||
| 25 | Fracturing at base of TB; Pole fell off to vehicle side | None | Roll | 1.30 | Long.: | -11.68 | Long.: | -0.49 | None occupant compartment deform. | High | |||||||||
| Pitch | -0.69 | Lat.: | 0.66 | Lat.: | -0.81 | ||||||||||||||
| MASH 3-62 | Left 1/4 | 0 | Fracturing at base of TB; Pole fell off to vehicle side | None | Roll | -2.65 | Long.: | -5.79 | Long.: | -0.45 | None occupant compartment deform. | High | |||||||
| Pitch | -1.71 | Lat.: | 0.70 | Lat.: | 0.79 | ||||||||||||||
| 25 | Fracturing at base of TB; Pole fell off to vehicle side | None | Roll | -1.04 | Long.: | -5.75 | Long.: | -0.46 | None occupant compartment deform. | High | |||||||||
| Pitch | -1.31 | Lat.: | 1.32 | Lat.: | 0.79 | ||||||||||||||
| Center | 0 | Fracturing at base of TB; Pole fell off to vehicle side | None | Roll | -1.07 | Long.: | -6.55 | Long.: | -0.28 | None occupant compartment deform. | High | ||||||||
| Pitch | -0.92 | Lat.: | 0.04 | Lat.: | 0.39 | ||||||||||||||
| 25 | Fracturing at base of TB; Pole fell off to vehicle side | None | Roll | -0.87 | Long.: | -6.70 | Long.: | -0.42 | None occupant compartment deform. | High | |||||||||
| Pitch | -0.93 | Lat.: | -0.16 | Lat.: | -0.52 | ||||||||||||||
| Right 1/4 | 0 | Fracturing at base of TB; Pole fell off to vehicle side | None | Roll | 0.96 | Long.: | -5.80 | Long.: | -0.33 | None occupant compartment deform. | High | ||||||||
| Pitch | 1.25 | Lat.: | -0.66 | Lat.: | -0.72 | ||||||||||||||
| 25 | Fracturing at base of TB; Pole fell off to vehicle side | None | Roll | 0.54 | Long.: | -5.64 | Long.: | -0.30 | None occupant compartment deform. | High | |||||||||
| Pitch | 1.13 | Lat.: | -0.89 | Lat.: | -0.59 | ||||||||||||||
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Table 0-5. Detailed Simulation Results – Steel Luminaire Pole with TB1-17 Frangible Base – Case No. 1B-48-10ga
| Pole | Height [ft] | Pole Dimensions | Mast Arm | Transformer Base | Pole Thickness | Weight [lb] | MASH Desig. | Impact Location | Impact Angle (Degree) | Pole Failure Mechanism | Occupant Compartment Deformation | Max. Roll and Pitch Angle (Degree) [Max: 75°] | OIV [ft/s] [P: 10ft/s; Max: 16 ft/s] | Ridedown Acceleration [P: 15g; Max:20.49g] | Simulation Results | Potential to Pass MASH | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1B-48 | 50′ | 10″ Base | Single 4′ | TB1-17 | 10 ga | 583 lb | MASH 3-60 | Left 1/4 | 0 | Base did not activate | None | Roll: | 2.13 | Long.: | -23.62 | Long.: | -2.33 | Base did not activate | Low |
| Pitch: | -2.50 | Lat.: | -4.46 | Lat.: | 1.71 | ||||||||||||||
| 25 | Base did not activate | None | Roll: | 1.02 | Long.: | -26.60 | Long.: | -2.08 | Base did not activate | Low | |||||||||
| Pitch: | -0.68 | Lat.: | -4.12 | Lat.: | 1.43 | ||||||||||||||
| Center | 0 | Fracture at base of TB, Pole fell on windshield. | windshield: 0.94 | Roll: | 0.44 | Long.: | -17.02 | Long.: | -0.71 | windshield: 0.94 | Low | ||||||||
| Pitch: | -0.34 | Lat.: | 0.39 | Lat.: | 0.87 | ||||||||||||||
| 25 | Fracture at base of TB; Pole fell on hood and trunk. | Roof: 5.12 in. | Roll: | 0.55 | Long.: | -17.60 | Long.: | -0.92 | Base did not activate | Low | |||||||||
| Pitch: | -1.15 | Lat.: | -0.09 | Lat.: | 1.54 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB; Pole fell on right side | None | Roll: | 0.94 | Long.: | -17.04 | Long.: | -1.16 | No occupant compartment deformation | Low | ||||||||
| Pitch: | -1.01 | Lat.: | 1.05 | Lat.: | 1.03 | ||||||||||||||
| 25 | Base did not activate | None | Roll: | 1.02 | Long.: | -26.60 | Long.: | -1.75 | Base did not activate | Low | |||||||||
| Pitch: | -0.68 | Lat.: | 2.96 | Lat.: | -2.96 | ||||||||||||||
| MASH 3-61 | Left 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 1.80 | Long.: | -13.53 | Long.: | -0.77 | No occupant compartment deformation. | High | |||||||
| Pitch: | -2.13 | Lat.: | 0.75 | Lat.: | 0.87 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 1.44 | Long.: | -14.57 | Long.: | -0.65 | No occupant compartment deformation. | Medium | |||||||||
| Pitch: | -1.33 | Lat.: | 0.57 | Lat.: | 0.88 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 0.54 | Long.: | -14.51 | Long.: | -1.18 | No occupant compartment deformation. | Medium | ||||||||
| Pitch: | -3.80 | Lat.: | -0.05 | Lat.: | 1.16 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 0.51 | Long.: | -13.76 | Long.: | 0.38 | No occupant compartment deformation. | High | |||||||||
| Pitch: | -2.32 | Lat.: | 1.02 | Lat.: | 0.54 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -2.71 | Long.: | -14.31 | Long.: | -0.43 | No occupant compartment deformation. | Medium | ||||||||
| Pitch: | -2.76 | Lat.: | -0.17 | Lat.: | -1.20 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -1.64 | Long.: | -14.11 | Long.: | -0.58 | No occupant compartment deformation. | Medium | |||||||||
| Pitch: | -1.24 | Lat.: | 0.76 | Lat.: | -0.92 | ||||||||||||||
| MASH 3-62 | Left 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -1.51 | Long.: | -6.90 | Long.: | 0.67 | No occupant compartment deformation. | High | |||||||
| Pitch: | -1.53 | Lat.: | 0.06 | Lat.: | 1.59 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -2.14 | Long.: | -7.24 | Long.: | -0.70 | No occupant compartment deformation. | High | |||||||||
| Pitch: | -2.27 | Lat.: | 0.31 | Lat.: | 1.12 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -1.16 | Long.: | -8.30 | Long.: | -0.52 | No occupant compartment deformation. | High | ||||||||
| Pitch: | -1.26 | Lat.: | 0.32 | Lat.: | -0.62 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -1.17 | Long.: | -8.22 | Long.: | -10.21 | No occupant compartment deformation. | High | |||||||||
| Pitch: | -1.33 | Lat.: | 0.03 | Lat.: | 2.40 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 0.91 | Long.: | -7.17 | Long.: | -0.57 | No occupant compartment deformation. | High | ||||||||
| Pitch: | -1.28 | Lat.: | -0.69 | Lat.: | -0.96 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -2.59 | Long.: | -8.24 | Long.: | 1.31 | No occupant compartment deformation. | High | |||||||||
| Pitch: | -1.06 | Lat.: | -0.55 | Lat.: | -1.19 | ||||||||||||||
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Table 0-6. Detailed Simulation Results – Steel Luminaire Pole with TB1-17 Frangible Base – Case No. 1B-101-10ga
| Pole | Height [ft] | Pole Dimensions | Mast Arm | Transformer Base | Pole Thickness | Weight [lb] | MASH Desig. | Impact Location | Impact Angle (Degree) | Pole Failure Mechanism | Occupant Compartment Deformation | Max. Roll and Pitch Angle (Degree) [Max: 75°] | OIV [ft/s] [P: 10ft/s; Max: 16 ft/s] | Ridedown Acceleration [P: 15g; Max:20.49g] | Simulation Results | Potential to Pass MASH | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1B-101 | 50′ | 10″ Base | Dual 4′ | TB1-17 | 10 ga | 698 lb | MASH 3-60 | Left 1/4 | 0 | Fracturing at base of TB; Pole fell off to vehicle side | None | Roll: | 0.82 | Long.: | -14.65 | Long.: | -1.55 | No occupant compartment deformation | Medium |
| Pitch: | -0.93 | Lat.: | -0.92 | Lat.: | -1.47 | ||||||||||||||
| 25 | Base did not activate | None | Roll: | 0.87 | Long.: | -29.63 | Long.: | -2.57 | Base did not activate | Low | |||||||||
| Pitch: | -0.66 | Lat.: | -2.96 | Lat.: | -2.78 | ||||||||||||||
| Center | 0 | Fracturing at base of TB; Pole fell off to vehicle side | Roof = 8.13 in. | Roll: | 0.44 | Long.: | -15.64 | Long.: | 0.75 | Roof = 8.13 in. | Low | ||||||||
| Pitch: | -0.54 | Lat.: | 0.29 | Lat.: | 0.63 | ||||||||||||||
| 25 | Fracturing at base of TB; Pole fell off to vehicle side | C-pillar = 1.5 in. | Roll: | 0.82 | Long.: | -15.31 | Long.: | -0.62 | C-pillar = 1.5 in. | Medium | |||||||||
| Pitch: | -0.94 | Lat.: | -0.29 | Lat.: | -0.95 | ||||||||||||||
| Right 1/4 | 0 | Fracturing at base of TB; Pole fell off to vehicle side | None | Roll: | 1.03 | Long.: | -18.07 | Long.: | 0.91 | No occupant compartment deformation | Low | ||||||||
| Pitch: | -0.74 | Lat.: | 1.54 | Lat.: | -0.96 | ||||||||||||||
| 25 | Base did not activate | None | Roll: | -4.47 | Long.: | -21.40 | Long.: | -2.52 | Base did not activate | Low | |||||||||
| Pitch: | -0.84 | Lat.: | 4.18 | Lat.: | -2.97 | ||||||||||||||
| MASH 3-61 | Left 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 2.54 | Long.: | -14.04 | Long.: | -0.99 | No occupant compartment deformation. | Medium | |||||||
| Pitch: | -1.94 | Lat.: | 0.39 | Lat.: | 0.81 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 1.50 | Long.: | -14.70 | Long.: | -0.98 | No occupant compartment deformation. | Medium | |||||||||
| Pitch: | -2.35 | Lat.: | -0.21 | Lat.: | 1.03 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 0.87 | Long.: | -14.57 | Long.: | -1.10 | No occupant compartment deformation. | Medium | ||||||||
| Pitch: | -4.78 | Lat.: | -0.08 | Lat.: | 0.98 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 1.11 | Long.: | -13.82 | Long.: | -1.96 | No occupant compartment deformation. | High | |||||||||
| Pitch: | -5.68 | Lat.: | 0.74 | Lat.: | 0.81 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -2.86 | Long.: | -14.24 | Long.: | -1.06 | No occupant compartment deformation. | Medium | ||||||||
| Pitch: | -3.02 | Lat.: | -0.40 | Lat.: | -0.61 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -2.92 | Long.: | -14.45 | Long.: | -0.74 | No occupant compartment deformation. | Medium | |||||||||
| Pitch: | -3.19 | Lat.: | 0.25 | Lat.: | -0.94 | ||||||||||||||
| MASH 3-62 | Left 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -1.81 | Long.: | -7.18 | Long.: | -1.39 | No occupant compartment deformation. | High | |||||||
| Pitch: | -1.95 | Lat.: | 0.55 | Lat.: | 1.81 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -2.23 | Long.: | -7.52 | Long.: | -1.05 | No occupant compartment deformation. | High | |||||||||
| Pitch: | -2.32 | Lat.: | 0.51 | Lat.: | 1.46 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -1.25 | Long.: | -8.42 | Long.: | -0.58 | No occupant compartment deformation. | High | ||||||||
| Pitch: | -1.68 | Lat.: | -0.04 | Lat.: | -0.64 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -2.13 | Long.: | -8.43 | Long.: | -9.61 | No occupant compartment deformation. | High | |||||||||
| Pitch: | -1.73 | Lat.: | -0.28 | Lat.: | -2.64 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -1.54 | Long.: | -7.31 | Long.: | 1.08 | No occupant compartment deformation. | High | ||||||||
| Pitch: | -2.21 | Lat.: | -0.74 | Lat.: | -1.57 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -0.85 | Long.: | -7.74 | Long.: | -1.58 | No occupant compartment deformation. | High | |||||||||
| Pitch: | 0.69 | Lat.: | -0.34 | Lat.: | -1.23 | ||||||||||||||
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Table 0-7. Detailed Simulation Results – Steel Luminaire Pole with TB1-17 Frangible Base – Case No. 1B-53-10ga
| Pole | Height [ft] | Pole Dimensions | Mast Arm | Transformer Base | Pole Thickness | Weight [lb] | MASH Desig. | Impact Location | Impact Angle (Degree) | Pole Failure Mechanism | Occupant Compartment Deformation | Max. Roll and Pitch Angle (Degree) [Max: 75°] | OIV [ft/s] [P: 10ft/s; Max: 16 ft/s] | Ridedown Acceleration [P: 15g; Max:20.49g] | Simulation Results | Potential to Pass MASH | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1B-53 | 50′ | 10″ Base | Single 15′ | TB1-17 | 10 ga | 629 lb | MASH 3-60 | Left 1/4 | 0 | Fracture at base of TB, pole fell on side of vehicle | None | Roll: | 0.82 | Long.: | -14.48 | Long.: | -1.00 | No occupant compartment deformation. | Medium |
| Pitch: | -0.96 | Lat.: | -0.98 | Lat.: | 0.77 | ||||||||||||||
| 25 | Base did not activate | None | Roll: | 0.75 | Long.: | -29.73 | Long.: | -2.61 | Base did not activate | Low | |||||||||
| Pitch: | -0.72 | Lat.: | -2.69 | Lat.: | -2.55 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole impacted roof | Roof crush: 4.22 | Roll: | 0.45 | Long.: | -15.56 | Long.: | -1.77 | Roof crush: 4.22 | Low | ||||||||
| Pitch: | -0.49 | Lat.: | 0.22 | Lat.: | -1.42 | ||||||||||||||
| 25 | Fracture at base of TB, pole fell on side of vehicle | C-pillar: 0.6 in. | Roll: | 0.48 | Long.: | -15.37 | Long.: | -0.90 | C-pillar:0.6 in. | Medium | |||||||||
| Pitch: | -1.20 | Lat.: | -0.52 | Lat.: | 0.81 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB, pole fell on side of vehicle | None | Roll: | 1.04 | Long.: | -19.98 | Long.: | 0.92 | No occupant compartment deform. | Low | ||||||||
| Pitch: | -0.81 | Lat.: | 1.71 | Lat.: | -1.82 | ||||||||||||||
| 25 | Base did not activate | None | Roll: | -4.46 | Long.: | -20.58 | Long.: | -2.77 | Base did not activate | Low | |||||||||
| Pitch: | -0.74 | Lat.: | 3.93 | Lat.: | -3.29 | ||||||||||||||
| MASH 3-61 | Left 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 1.82 | Long.: | -13.59 | Long.: | -0.47 | No occupant compartment deform. | High | |||||||
| Pitch: | -1.69 | Lat.: | 0.46 | Lat.: | 0.75 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 0.89 | Long.: | -14.59 | Long.: | 0.71 | No occupant compartment deform. | Medium | |||||||||
| Pitch: | -0.88 | Lat.: | -0.39 | Lat.: | 1.17 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 0.47 | Long.: | -14.48 | Long.: | 0.44 | No occupant compartment deform. | Medium | ||||||||
| Pitch: | -3.74 | Lat.: | 0.54 | Lat.: | 0.46 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 0.62 | Long.: | -13.64 | Long.: | 0.48 | No occupant compartment deform. | High | |||||||||
| Pitch: | -2.64 | Lat.: | 0.61 | Lat.: | 0.65 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -2.24 | Long.: | -13.99 | Long.: | -0.70 | No occupant compartment deform. | High | ||||||||
| Pitch: | -2.98 | Lat.: | -0.39 | Lat.: | -1.05 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -2.28 | Long.: | -14.37 | Long.: | -0.61 | No occupant compartment deform. | Medium | |||||||||
| Pitch: | -0.62 | Lat.: | 0.57 | Lat.: | -1.27 | ||||||||||||||
| MASH 3-62 | Left 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -2.24 | Long.: | -7.17 | Long.: | -0.50 | No occupant compartment deform. | High | |||||||
| Pitch: | -1.73 | Lat.: | 0.10 | Lat.: | 1.07 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -1.56 | Long.: | -7.69 | Long.: | -0.81 | No occupant compartment deform. | High | |||||||||
| Pitch: | -2.18 | Lat.: | 0.83 | Lat.: | -1.27 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -1.16 | Long.: | -8.34 | Long.: | 0.69 | No occupant compartment deform. | High | ||||||||
| Pitch: | -1.47 | Lat.: | 0.30 | Lat.: | -0.76 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -1.43 | Long.: | -8.54 | Long.: | -9.53 | No occupant compartment deform. | High | |||||||||
| Pitch: | -1.41 | Lat.: | -0.22 | Lat.: | 2.08 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -1.40 | Long.: | -7.36 | Long.: | -0.91 | No occupant compartment deform. | High | ||||||||
| Pitch: | -1.69 | Lat.: | -0.51 | Lat.: | 0.94 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -0.90 | Long.: | -8.09 | Long.: | 1.22 | No occupant compartment deform. | High | |||||||||
| Pitch: | 0.73 | Lat.: | -0.53 | Lat.: | -1.10 | ||||||||||||||
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Table 0-8. Detailed Simulation Results – Steel Luminaire Pole with TB1-17 Frangible Base – Case No. 1B-106-10ga
| Pole | Height [ft] | Pole Dimensions | Mast Arm | Transformer Base | Pole Thickness | Weight [lb] | MASH Desig. | Impact Location | Impact Angle (Degree) | Pole Failure Mechanism | Occupant Compartment Deformation | Max. Roll and Pitch Angle (Degree) [Max: 75°] | OIV [ft/s] [P: 10ft/s; Max: 16 ft/s] | Ridedown Acceleration [P: 15g; Max:20.49g] | Simulation Results | Potential to Pass MASH | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1B-106 | 50′ | 10″ Base | Dual 15′ | TB1-17 | 10 ga | 791 lb | MASH 3-60 | Left 1/4 | 0 | Fracture at base of TB; Pole fell on left side. | None | Roll: | 0.80 | Long.: | -18.00 | Long.: | -1.16 | No occupant compartment deform. | Low |
| Pitch: | -1.21 | Lat.: | -1.60 | Lat.: | 0.92 | ||||||||||||||
| 25 | Base did not activate | None | Roll: | 0.88 | Long.: | -29.38 | Long.: | -2.63 | Base did not activate | Low | |||||||||
| Pitch: | -0.72 | Lat.: | -2.96 | Lat.: | -2.24 | ||||||||||||||
| Center | 0 | Fracture at base of TB, pole fell on roof of vehicle | Right rear fender: 4.81 in.; | Roll: | 0.44 | Long.: | -15.79 | Long.: | 0.71 | Right rear fender: 4.81 in.; | Low | ||||||||
| Pitch: | -0.39 | Lat.: | 0.32 | Lat.: | 0.80 | ||||||||||||||
| 25 | Fracture at base of TB; Pole fell on right side. | C-pillar: 2 in. | Roll: | 0.85 | Long.: | -18.93 | Long.: | 0.94 | C-pillar: 2 in. | Low | |||||||||
| Pitch: | -1.64 | Lat.: | -1.13 | Lat.: | 1.05 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB; Pole fell on right side. | None | Roll: | 1.08 | Long.: | -20.17 | Long.: | -1.65 | No occupant compartment deform. | Low | ||||||||
| Pitch: | -0.85 | Lat.: | 2.15 | Lat.: | -2.43 | ||||||||||||||
| 25 | Base did not activate | None | Roll: | -4.19 | Long.: | -20.94 | Long.: | -2.72 | Base did not activate | Low | |||||||||
| Pitch: | -0.73 | Lat.: | 3.92 | Lat.: | -3.74 | ||||||||||||||
| MASH 3-61 | Left 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle. | None | Roll: | 3.12 | Long.: | 14.02 | Long.: | -0.86 | No occupant compartment deform. | Medium | |||||||
| Pitch: | -2.26 | Lat.: | 0.11 | Lat.: | 1.02 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle. | None | Roll: | 2.76 | Long.: | -14.69 | Long.: | -0.79 | No occupant compartment deform. | Medium | |||||||||
| Pitch: | 1.95 | Lat.: | -0.21 | Lat.: | -1.22 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole passed over vehicle. | None | Roll: | 0.98 | Long.: | 14.40 | Long.: | -0.80 | No occupant compartment deform. | Medium | ||||||||
| Pitch: | -5.88 | Lat.: | 0.10 | Lat.: | 0.84 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle. | None | Roll: | 0.97 | Long.: | -13.93 | Long.: | -3.12 | No occupant compartment deform. | High | |||||||||
| Pitch: | -3.79 | Lat.: | 0.54 | Lat.: | -1.99 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle. | None | Roll: | -2.51 | Long.: | 13.97 | Long.: | -0.57 | No occupant compartment deform. | High | ||||||||
| Pitch: | -2.56 | Lat.: | -0.28 | Lat.: | -0.95 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle. | None | Roll: | -2.55 | Long.: | -14.48 | Long.: | -0.97 | No occupant compartment deform. | Medium | |||||||||
| Pitch: | -2.02 | Lat.: | 0.41 | Lat.: | -0.98 | ||||||||||||||
| MASH 3-62 | Left 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle. | None | Roll: | -2.33 | Long.: | -7.25 | Long.: | -0.57 | No occupant compartment deform. | High | |||||||
| Pitch: | -2.28 | Lat.: | 0.57 | Lat.: | 1.25 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle. | None | Roll: | -2.33 | Long.: | -7.70 | Long.: | -0.51 | No occupant compartment deform. | High | |||||||||
| Pitch: | -2.48 | Lat.: | 0.82 | Lat.: | 1.35 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole passed over vehicle. | None | Roll: | -1.18 | Long.: | -8.45 | Long.: | -0.55 | No occupant compartment deform. | High | ||||||||
| Pitch: | -1.44 | Lat.: | -0.03 | Lat.: | 0.87 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle. | None | Roll: | -1.75 | Long.: | -8.52 | Long.: | -9.78 | No occupant compartment deform. | High | |||||||||
| Pitch: | -1.59 | Lat.: | -0.18 | Lat.: | 2.20 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle. | None | Roll: | -1.65 | Long.: | -7.48 | Long.: | -0.95 | No occupant compartment deform. | High | ||||||||
| Pitch: | -2.19 | Lat.: | -0.55 | Lat.: | -1.19 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle. | None | Roll: | -1.49 | Long.: | -8.04 | Long.: | -1.14 | No occupant compartment deform. | High | |||||||||
| Pitch: | 0.69 | Lat.: | -0.45 | Lat.: | -1.36 | ||||||||||||||
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Table 0-9. Detailed Simulation Results – Steel Luminaire Pole with TB1-17 Frangible Base – Case No. 1B-48-7ga
| Pole | Height [ft] | Pole Dimensions | Mast Arm | Transformer Base | Pole Thickness | Weight [lb] | MASH Desig. | Impact Location | Impact Angle (Degree) | Pole Failure Mechanism | Occupant Compartment Deformation | Max. Roll and Pitch Angle (Degree) [Max: 75°] | OIV [ft/s] [P: 10ft/s; Max: 16 ft/s] | Ridedown Acceleration [P: 15g; Max:20.49g] | Simulation Results | Potential to Pass MASH | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1B-48 | 50′ | 10″ Base | Single 4′ | TB1-17 | 7 ga | 768 lb | MASH 3-60 | Left 1/4 | 0 | Base did not activate | None | Roll: | 1.11 | Long.: | -25.17 | Long.: | -2.88 | Base did not activate | low |
| Pitch: | -2.21 | Lat.: | -5.15 | Lat.: | 1.23 | ||||||||||||||
| 25 | Base did not activate | None | Roll: | 0.63 | Long.: | -29.12 | Long.: | -2.26 | Base did not activate | low | |||||||||
| Pitch: | -1.59 | Lat.: | -3.31 | Lat.: | -1.24 | ||||||||||||||
| Center | 0 | Fracturing at base of TB | A-pillar: 0.4 in. | Roll: | 0.47 | Long.: | -16.28 | Long.: | -0.69 | A-pillar: 0.4 in. | low | ||||||||
| Pitch: | -0.52 | Lat.: | 0.37 | Lat.: | 1.05 | ||||||||||||||
| 25 | Fracturing at base of TB | Roof: 7.28 in. | Roll: | 0.41 | Long.: | -15.37 | Long.: | -0.67 | Roof: 7.28 in. | low | |||||||||
| Pitch: | -0.91 | Lat.: | -0.44 | Lat.: | 0.80 | ||||||||||||||
| Right 1/4 | 0 | Fracturing at base of TB | None | Roll: | 1.31 | Long.: | -20.82 | Long.: | -1.19 | No occupant compartment deform. | low | ||||||||
| Pitch: | -0.80 | Lat.: | 1.75 | Lat.: | -1.41 | ||||||||||||||
| 25 | Base did not activate | None | Roll: | 1.10 | Long.: | -27.15 | Long.: | -1.50 | Base did not activate | low | |||||||||
| Pitch: | -0.63 | Lat.: | 3.59 | Lat.: | -2.16 | ||||||||||||||
| MASH 3-61 | Center | 0 | Fracturing at base of TB | None | Roll: | 0.78 | Long.: | -15.80 | Long.: | -1.48 | No occupant compartment deform. | Medium | |||||||
| Pitch: | -4.86 | Lat.: | -0.17 | Lat.: | 1.25 | ||||||||||||||
| 25 | Fracturing at base of TB | None | Roll: | 0.98 | Long.: | -15.50 | Long.: | -2.19 | No occupant compartment deform. | Medium | |||||||||
| Pitch: | -4.15 | Lat.: | 0.43 | Lat.: | 1.15 | ||||||||||||||
| MASH 3-62 | Center | 0 | Fracturing at base of TB | None | Roll: | -1.29 | Long.: | -9.75 | Long.: | 0.81 | No occupant compartment deform. | High | |||||||
| Pitch: | -2.24 | Lat.: | 0.48 | Lat.: | -0.89 | ||||||||||||||
| 25 | Fracturing at base of TB | None | Roll: | -1.43 | Long.: | -9.61 | Long.: | 0.79 | No occupant compartment deform. | High | |||||||||
| Pitch: | -1.76 | Lat.: | 0.72 | Lat.: | -1.28 | ||||||||||||||
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Table 0-10. Detailed Simulation Results – Steel Luminaire Pole with TB1-17 Frangible Base – Case No. 1B-101-7ga
| Pole | Height [ft] | Pole Dimensions | Mast Arm | Transformer Base | Pole Thickness | Weight [lb] | MASH Desig. | Impact Location | Impact Angle (Degree) | Pole Failure Mechanism | Occupant Compartment Deformation | Max. Roll and Pitch Angle (Degree) [Max: 75°] | OIV [ft/s] [P: 10ft/s; Max: 16 ft/s] | Ridedown Acceleration [P: 15g; Max:20.49g] | Simulation Results | Potential to Pass MASH | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1B-101 | 50′ | 10″ Base | Dual 4′ | TB1-17 | 7ga | 883 lb | MASH 3-60 | Center | 0 | Fracturing at base of TB | Roof: 6.35 in. | Roll: | 0.41 | Long.: | -16.08 | Long.: | 0.64 | Roof: 6.35 in. | low |
| Pitch: | -0.42 | Lat.: | 0.33 | Lat.: | 0.90 | ||||||||||||||
| 25 | Fracturing at base of TB | C-Pillar: 1.42 in. | Roll: | 0.63 | Long.: | -17.02 | Long.: | -0.99 | C-Pillar: 1.42 in. | low | |||||||||
| Pitch: | -1.00 | Lat.: | -0.71 | Lat.: | -1.11 | ||||||||||||||
| MASH 3-61 | Center | 0 | Fracturing at base of TB | None | Roll: | 0.72 | Long.: | -15.87 | Long.: | -1.27 | No occupant compartment deform. | Medium | |||||||
| Pitch: | -5.93 | Lat.: | -0.05 | Lat.: | 1.25 | ||||||||||||||
| 25 | Fracturing at base of TB | None | Roll: | 0.94 | Long.: | -15.10 | Long.: | -1.71 | No occupant compartment deform. | Medium | |||||||||
| Pitch: | -6.29 | Lat.: | 0.39 | Lat.: | 1.24 | ||||||||||||||
| MASH 3-62 | Center | 0 | Fracturing at base of TB | None | Roll: | -1.42 | Long.: | -10.04 | Long.: | -0.95 | No occupant compartment deform. | High | |||||||
| Pitch: | -2.44 | Lat.: | 0.27 | Lat.: | -1.25 | ||||||||||||||
| 25 | Fracturing at base of TB | None | Roll: | -1.56 | Long.: | -9.84 | Long.: | -0.65 | No occupant compartment deform. | High | |||||||||
| Pitch: | -2.17 | Lat.: | 0.01 | Lat.: | -0.88 | ||||||||||||||
Table 0-11. Detailed Simulation Results – Steel Luminaire Pole with TB1-17 Frangible Base – Case No. 1B-53-7ga
| Pole | Height [ft] | Pole Dimensions | Mast Arm | Transformer Base | Pole Thickness | Weight [lb] | MASH Desig. | Impact Location | Impact Angle (Degree) | Pole Failure Mechanism | Occupant Compartment Deformation | Max. Roll and Pitch Angle (Degree) [Max: 75°] | OIV [ft/s] [P: 10ft/s; Max: 16 ft/s] | Ridedown Acceleration [P: 15g; Max:20.49g] | Simulation Results | Potential to Pass MASH | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1B-53 | 50′ | 10″ Base | Single 15′ | TB1-17 | 7 ga | 814 lb | MASH 3-60 | Center | 0 | Fracturing at base of TB | Roof: 4.66 in. | Roll: | 0.41 | Long.: | -15.94 | Long.: | -0.69 | Roof: 4.66 in. | low |
| Pitch: | -0.44 | Lat.: | 0.16 | Lat.: | 0.74 | ||||||||||||||
| 25 | Fracturing at base of TB | Roof: 3.05 | Roll: | 0.54 | Long.: | -15.55 | Long.: | -0.69 | Roof: 3.05 | Medium | |||||||||
| Pitch: | -0.90 | Lat.: | -0.54 | Lat.: | 0.75 | ||||||||||||||
| MASH 3-61 | Center | 0 | Fracturing at base of TB | None | Roll: | 0.83 | Long.: | -15.77 | Long.: | -2.02 | No occupant compartment deform. | Medium | |||||||
| Pitch: | -5.02 | Lat.: | -0.21 | Lat.: | 1.27 | ||||||||||||||
| 25 | Fracturing at base of TB | None | Roll: | 0.69 | Long.: | -15.53 | Long.: | -2.16 | No occupant compartment deform. | Medium | |||||||||
| Pitch: | -4.70 | Lat.: | 0.23 | Lat.: | -1.84 | ||||||||||||||
| MASH 3-62 | Center | 0 | Fracturing at base of TB | None | Roll: | -1.31 | Long.: | -9.88 | Long.: | 0.62 | No occupant compartment deform. | High | |||||||
| Pitch: | -1.91 | Lat.: | 0.54 | Lat.: | -0.81 | ||||||||||||||
| 25 | Fracturing at base of TB | None | Roll: | -1.57 | Long.: | -9.69 | Long.: | -0.87 | No occupant compartment deform. | High | |||||||||
| Pitch: | -1.74 | Lat.: | 0.07 | Lat.: | -0.87 | ||||||||||||||
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Table 0-12. Detailed Simulation Results – Steel Luminaire Pole with TB1-17 Frangible Base – Case No. 1B-106-7ga
| Pole | Height [ft] | Pole Dimensions | Mast Arm | Transformer Base | Pole Thickness | Weight [lb] | MASH Desig. | Impact Location | Impact Angle (Degree) | Pole Failure Mechanism | Occupant Compartment Deformation | Max. Roll and Pitch Angle (Degree) [Max: 75°] | OIV [ft/s] [P: 10ft/s; Max: 16 ft/s] | Ridedown Acceleration [P: 15g; Max:20.49g] | Simulation Results | Potential to Pass MASH | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1B-106 | 50′ | 10″ Base | Dual 15′ | TB1-17 | 7 ga | 976 lb | MASH 3-60 | Left 1/4 | 0 | Base did not activate | None | Roll: | 1.04 | Long.: | -17.50 | Long.: | -1.07 | Base did not activate | low |
| Pitch: | -0.72 | Lat.: | -1.09 | Lat.: | 0.95 | ||||||||||||||
| 25 | Base did not activate | None | Roll: | 0.84 | Long.: | -30.40 | Long.: | -1.84 | Base did not activate | low | |||||||||
| Pitch: | -0.61 | Lat.: | -3.08 | Lat.: | -1.91 | ||||||||||||||
| Center | 0 | Fracturing at base of TB | C-Pillar: 0.75 in. | Roll: | 0.44 | Long.: | -16.72 | Long.: | -0.63 | C-Pillar: 0.75 in. | low | ||||||||
| Pitch: | -0.43 | Lat.: | 0.35 | Lat.: | 1.10 | ||||||||||||||
| 25 | Fracturing at base of TB | C-Pillar: 0.87 in. | Roll: | 0.54 | Long.: | -16.11 | Long.: | 1.37 | C-Pillar: 0.87 in. | low | |||||||||
| Pitch: | -0.95 | Lat.: | -0.28 | Lat.: | -0.60 | ||||||||||||||
| Right 1/4 | 0 | Base did not activate | None | Roll: | 1.26 | Long.: | -23.60 | Long.: | -2.33 | Base did not activate | low | ||||||||
| Pitch: | -0.64 | Lat.: | 1.89 | Lat.: | 1.59 | ||||||||||||||
| 25 | Fracturing at base of TB | None | Roll: | -2.72 | Long.: | -23.83 | Long.: | -1.62 | No occupant compartment deform. | low | |||||||||
| Pitch: | -0.64 | Lat.: | 4.69 | Lat.: | 2.36 | ||||||||||||||
| MASH 3-61 | Center | 0 | Fracturing at base of TB | None | Roll: | 0.98 | Long.: | -16.08 | Long.: | -2.09 | No occupant compartment deform. | low | |||||||
| Pitch: | -7.07 | Lat.: | -0.08 | Lat.: | 1.05 | ||||||||||||||
| 25 | Fracturing at base of TB | None | Roll: | 0.85 | Long.: | -15.32 | Long.: | -2.60 | No occupant compartment deform. | Medium | |||||||||
| Pitch: | -4.15 | Lat.: | 0.19 | Lat.: | -1.36 | ||||||||||||||
| MASH 3-62 | Center | 0 | Fracturing at base of TB | None | Roll: | -1.55 | Long.: | -10.30 | Long.: | 0.73 | No occupant compartment deform. | High | |||||||
| Pitch: | -2.13 | Lat.: | 0.18 | Lat.: | -0.86 | ||||||||||||||
| 25 | Fracturing at base of TB | None | Roll: | -1.49 | Long.: | -10.10 | Long.: | 0.98 | No occupant compartment deform. | High | |||||||||
| Pitch: | -2.15 | Lat.: | -0.03 | Lat.: | -0.89 | ||||||||||||||
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Table 0-13. Detailed Simulation Results – Steel Luminaire Pole with TB1-17 Frangible Base – Case No. 1B-48-3ga
| Pole | Height [ft] | Pole Dimensions | Mast Arm | Transformer Base | Pole Thickness | Weight [lb] | MASH Desig. | Impact Location | Impact Angle (Degree) | Pole Failure Mechanism | Occupant Compartment Deformation | Max. Roll and Pitch Angle (Degree) [Max: 75°] | OIV [ft/s] [P: 10ft/s; Max: 16 ft/s] | Ridedown Acceleration [P: 15g; Max:20.49g] | Simulation Results | Potential to Pass MASH | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1B-48 | 50′ | 10″ Base | Single 4′ | TB1-17 | 75 lb | 3 ga | MASH 3-60 | Left 1/4 | 0 | Base did not activate | None | Roll: | 1.09 | Long.: | -24.28 | Long.: | -4.02 | Base did not activate | low |
| Pitch: | -2.07 | Lat.: | -5.12 | Lat.: | 1.42 | ||||||||||||||
| 25 | Base did not activate | None | Roll: | 0.95 | Long.: | -29.72 | Long.: | -1.66 | Base did not activate | low | |||||||||
| Pitch: | -1.28 | Lat.: | -3.27 | Lat.: | -1.22 | ||||||||||||||
| Center | 0 | Fracturing at base of TB | Roof: 7.9 in. | Roll: | 0.43 | Long.: | -16.82 | Long.: | -0.95 | Roof: 7.9 in. | low | ||||||||
| Pitch: | -0.43 | Lat.: | 0.29 | Lat.: | 0.82 | ||||||||||||||
| 25 | Fracturing at base of TB | Roof: 9.5 in | Roll: | 0.51 | Long.: | -16.02 | Long.: | -0.77 | Roof: 9.5 in | low | |||||||||
| Pitch: | -0.71 | Lat.: | -0.40 | Lat.: | 0.90 | ||||||||||||||
| Right 1/4 | 0 | Fracturing at base of TB | None | Roll: | 1.41 | Long.: | -20.27 | Long.: | -1.11 | No occupant compartment deformation. | low | ||||||||
| Pitch: | -0.53 | Lat.: | 1.46 | Lat.: | -1.64 | ||||||||||||||
| 25 | Base did not activate | None | Roll: | 1.06 | Long.: | -29.64 | Long.: | -1.85 | Base did not activate | low | |||||||||
| Pitch: | -0.56 | Lat.: | 3.52 | Lat.: | 0.79 | ||||||||||||||
| MASH 3-61 | Center | 0 | Fracturing at base of TB | None | Roll: | 1.11 | Long.: | -17.47 | Long.: | -2.44 | No occupant compartment deformation. | low | |||||||
| Pitch: | -8.36 | Lat.: | 0.26 | Lat.: | 1.35 | ||||||||||||||
| 25 | Fracturing at base of TB | None | Roll: | 0.94 | Long.: | -16.93 | Long.: | -3.00 | No occupant compartment deformation. | low | |||||||||
| Pitch: | -7.58 | Lat.: | 0.79 | Lat.: | -1.81 | ||||||||||||||
| MASH 3-62 | Center | 0 | Fracturing at base of TB | None | Roll: | -1.45 | Long.: | -11.22 | Long.: | -0.95 | No occupant compartment deformation. | High | |||||||
| Pitch: | -2.56 | Lat.: | -0.08 | Lat.: | 0.97 | ||||||||||||||
| 25 | Fracturing at base of TB | None | Roll: | -1.99 | Long.: | -11.00 | Long.: | -0.81 | No occupant compartment deformation. | High | |||||||||
| Pitch: | -2.38 | Lat.: | -0.08 | Lat.: | -1.27 | ||||||||||||||
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Table 0-14. Detailed Simulation Results – Steel Luminaire Pole with TB1-17 Frangible Base – Case No. 1B-101-3ga
| Pole | Height [ft] | Pole Dimensions | Mast Arm | Transformer Base | Pole Thickness | Weight [lb] | MASH Desig. | Impact Location | Impact Angle (Degree) | Pole Failure Mechanism | Occupant Compartment Deformation | Max. Roll and Pitch Angle (Degree) [Max: 75°] | OIV [ft/s] [P: 10ft/s; Max: 16 ft/s] | Ridedown Acceleration [P: 15g; Max:20.49g] | Simulation Results | Potential to Pass MASH | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1B-101 | 50′ | 10″ Base | Dual 4′ | TB1-17 | 3 ga | 1,099 lb | MASH 3-60 | Center | 0 | Fracturing at base of TB | Roof: 9.25 in | Roll: | 0.41 | Long.: | 16.61 | Long.: | -0.72 | Roof: 9.25 in | low |
| Pitch: | -0.45 | Lat.: | 0.37 | Lat.: | 1.04 | ||||||||||||||
| 25 | Fracturing at base of TB | Roff: 8.80 in. | Roll: | 0.49 | Long.: | -15.77 | Long.: | -0.89 | Roff: 8.80 in. | Medium | |||||||||
| Pitch: | -0.79 | Lat.: | -0.49 | Lat.: | 1.12 | ||||||||||||||
| MASH 3-61 | Center | 0 | Fracturing at base of TB | None | Roll: | 1.08 | Long.: | -17.43 | Long.: | -1.44 | No occupant compartment deform. | low | |||||||
| Pitch: | -7.49 | Lat.: | 0.44 | Lat.: | -1.54 | ||||||||||||||
| 25 | Fracturing at base of TB | None | Roll: | 1.07 | Long.: | -16.96 | Long.: | -2.25 | No occupant compartment deform. | low | |||||||||
| Pitch: | -6.99 | Lat.: | 0.83 | Lat.: | -1.19 | ||||||||||||||
| MASH 3-62 | Center | 0 | Fracturing at base of TB | None | Roll: | -1.35 | Long.: | -11.42 | Long.: | 1.11 | No occupant compartment deform. | High | |||||||
| Pitch: | -2.80 | Lat.: | -0.18 | Lat.: | 0.85 | ||||||||||||||
| 25 | Fracturing at base of TB | None | Roll: | -2.43 | Long.: | -11.34 | Long.: | -1.16 | No occupant compartment deform. | High | |||||||||
| Pitch: | -2.94 | Lat.: | -0.36 | Lat.: | 1.09 | ||||||||||||||
Table 0-15. Detailed Simulation Results – Steel Luminaire Pole with TB1-17 Frangible Base – Case No. 1B-53-3ga
| Pole | Height [ft] | Pole Dimensions | Mast Arm | Transformer Base | Pole Thickness | Weight [lb] | MASH Desig. | Impact Location | Impact Angle (Degree) | Pole Failure Mechanism | Occupant Compartment Deformation | Max. Roll and Pitch Angle (Degree) [Max: 75°] | OIV [ft/s] [P: 10ft/s; Max: 16 ft/s] | Ridedown Acceleration [P: 15g; Max:20.49g] | Simulation Results | Potential to Pass MASH | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1B-53 | 50′ | 10″ Base | Single 15′ | TB1-17 | 3 ga | 1,029 lb | MASH 3-60 | Center | 0 | Fracturing at base of TB | Roof: 3.98 in. | Roll: | 0.42 | Long.: | -16.45 | Long.: | -1.01 | Roof: 3.98 in. | low |
| Pitch: | -0.49 | Lat.: | 0.29 | Lat.: | 0.90 | ||||||||||||||
| 25 | Fracturing at base of TB | None | Roll: | 0.63 | Long.: | -15.35 | Long.: | -0.58 | No occupant compartment deformation. | Medium | |||||||||
| Pitch: | -0.75 | Lat.: | -0.56 | Lat.: | 0.84 | ||||||||||||||
| MASH 3-61 | Center | 0 | Fracturing at base of TB | None | Roll: | 1.06 | Long.: | -16.68 | Long.: | -2.56 | No occupant compartment deformation. | low | |||||||
| Pitch: | -6.34 | Lat.: | 0.00 | Lat.: | 1.35 | ||||||||||||||
| 25 | Fracturing at base of TB | None | Roll: | 0.78 | Long.: | -17.03 | Long.: | -3.62 | No occupant compartment deformation. | low | |||||||||
| Pitch: | -6.15 | Lat.: | 0.39 | Lat.: | -1.89 | ||||||||||||||
| MASH 3-62 | Center | 0 | Fracturing at base of TB | None | Roll: | -1.33 | Long.: | -11.36 | Long.: | -0.97 | No occupant compartment deformation. | High | |||||||
| Pitch: | -2.36 | Lat.: | -0.22 | Lat.: | -1.51 | ||||||||||||||
| 25 | Fracturing at base of TB | None | Roll: | -1.22 | Long.: | -11.22 | Long.: | -0.96 | No occupant compartment deformation. | High | |||||||||
| Pitch: | -2.53 | Lat.: | -0.42 | Lat.: | -1.24 | ||||||||||||||
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Table 0-16. Detailed Simulation Results – Steel Luminaire Pole with TB1-17 Frangible Base – Case No. 1B-106-3ga
| Pole | Height [ft] | Pole Dimensions | Mast Arm | Transformer Base | Pole Thickness | Weight [lb] | MASH Desig. | Impact Location | Impact Angle (Degree) | Pole Failure Mechanism | Occupant Compartment Deformation | Max. Roll and Pitch Angle (Degree) [Max: 75°] | OIV [ft/s] [P: 10ft/s; Max: 16 ft/s] | Ridedown Acceleration [P: 15g; Max:20.49g] | Simulation Results | Potential to Pass MASH | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1B-106 | 50′ | 10″ Base | Dual 15′ | TB1-17 | 3 ga | 1,191 lb | MASH 3-60 | Left 1/4 | 0 | Base did not activate | None | Roll: | 0.77 | Long.: | -22.98 | Long.: | -1.16 | Base did not activate | low |
| Pitch: | -0.92 | Lat.: | -2.54 | Lat.: | 1.29 | ||||||||||||||
| 25 | Base did not activate | None | Roll: | 0.86 | Long.: | -30.18 | Long.: | -1.70 | Base did not activate | low | |||||||||
| Pitch: | -0.62 | Lat.: | -3.18 | Lat.: | -2.11 | ||||||||||||||
| Center | 0 | Fracturing at base of TB | Roof: 8.30 in. | Roll: | 0.39 | Long.: | -16.55 | Long.: | -0.78 | Roof: 8.30 in. | low | ||||||||
| Pitch: | -0.44 | Lat.: | 0.20 | Lat.: | 0.94 | ||||||||||||||
| 25 | Fracturing at base of TB | Roof: 6.75 in. | Roll: | 0.62 | Long.: | -16.20 | Long.: | -1.20 | Roof: 6.75 in. | low | |||||||||
| Pitch: | -0.78 | Lat.: | -0.44 | Lat.: | 1.59 | ||||||||||||||
| Right 1/4 | 0 | Base did not activate | None | Roll: | 1.10 | Long.: | -26.70 | Long.: | -1.39 | Base did not activate | low | ||||||||
| Pitch: | -0.96 | Lat.: | 3.60 | Lat.: | -1.10 | ||||||||||||||
| 25 | Base did not activate | None | Roll: | 1.24 | Long.: | -29.74 | Long.: | -1.39 | Base did not activate | low | |||||||||
| Pitch: | -0.62 | Lat.: | 4.69 | Lat.: | -1.68 | ||||||||||||||
| MASH 3-61 | Center | 0 | Fracturing at base of TB | None | Roll: | 1.11 | Long.: | -17.47 | Long.: | -2.44 | No occupant compartment deform. | low | |||||||
| Pitch: | -8.36 | Lat.: | 0.26 | Lat.: | 1.35 | ||||||||||||||
| 25 | Fracturing at base of TB | None | Roll: | 0.94 | Long.: | -16.93 | Long.: | -3.00 | No occupant compartment deform. | low | |||||||||
| Pitch: | -7.58 | Lat.: | 0.79 | Lat.: | -1.81 | ||||||||||||||
| MASH 3-62 | Center | 0 | Fracturing at base of TB | None | Roll: | -1.34 | Long.: | -11.55 | Long.: | -1.07 | No occupant compartment deform. | High | |||||||
| Pitch: | -2.54 | Lat.: | -0.31 | Lat.: | -1.14 | ||||||||||||||
| 25 | Fracturing at base of TB | None | Roll: | -1.85 | Long.: | -11.58 | Long.: | 0.71 | No occupant compartment deform. | High | |||||||||
| Pitch: | -2.79 | Lat.: | -0.24 | Lat.: | 1.27 | ||||||||||||||
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Table 0-17. Detailed Simulation Results – Steel Luminaire Pole with TB1-17 Frangible Base – Case No. 2A-19-11ga
| Pole | Height [ft] | Pole Dimensions | Mast Arm | Transformer Base | Pole Thickness | Weight [lb] | MASH Desig. | Impact Location | Impact Angle (Degree) | Pole Failure Mechanism | Occupant Compartment Deformation | Max. Roll and Pitch Angle (Degree) [Max: 75°] | OIV [ft/s] [P: 10ft/s; Max: 16 ft/s] | Ridedown Acceleration [P: 15g; Max:20.49g] | Simulation Results | Potential to Pass MASH | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2A-19 | 30′ | 8″ Base | Single 4′ | TB1-17 | 11 ga | 341 lb | MASH 3-60 | Left 1/4 | 0 | Fracture at base of TB; Pole fell off to vehicle side | None | Roll: | 0.58 | Long.: | -9.93 | Long.: | -0.41 | No occupant compartment deform. | High |
| Pitch: | -1.63 | Lat.: | -0.29 | Lat.: | 0.73 | ||||||||||||||
| 25 | Fracture at base of TB; Pole fell off to the right A-pillar | None | Roll: | 0.74 | Long.: | -15.76 | Long.: | -0.39 | No occupant compartment deform. | Medium | |||||||||
| Pitch: | -1.13 | Lat.: | -1.02 | Lat.: | 0.68 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole impacted windshield | wind shield: 0.7 in. | Roll: | 0.42 | Long.: | -12.74 | Long.: | 0.67 | wind shield: 0.7 in. | Medium | ||||||||
| Pitch: | -0.53 | Lat.: | 0.13 | Lat.: | 0.58 | ||||||||||||||
| 25 | Fracture at base of TB; Pole fell off to vehicle side | None | Roll: | 2.06 | Long.: | -13.54 | Long.: | -1.11 | No occupant compartment deform. | High | |||||||||
| Pitch: | -2.05 | Lat.: | 0.29 | Lat.: | -0.78 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB; Pole fell off to vehicle side | None | Roll: | 0.81 | Long.: | -10.41 | Long.: | -0.50 | No occupant compartment deform. | High | ||||||||
| Pitch: | -1.40 | Lat.: | 0.47 | Lat.: | -0.97 | ||||||||||||||
| 25 | Fracture at base of TB; Pole fell off to vehicle side | None | Roll: | -2.21 | Long.: | -15.46 | Long.: | -0.90 | No occupant compartment deform. | Medium | |||||||||
| Pitch: | -1.30 | Lat.: | 1.97 | Lat.: | 1.22 | ||||||||||||||
| MASH 3-61 | Left 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 1.38 | Long.: | -12.56 | Long.: | 0.74 | No occupant compartment deform. | High | |||||||
| Pitch: | -1.13 | Lat.: | -0.22 | Lat.: | 0.78 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 2.08 | Long.: | -12.29 | Long.: | 0.27 | No occupant compartment deform. | High | |||||||||
| Pitch: | -1.61 | Lat.: | 0.00 | Lat.: | -0.66 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 0.43 | Long.: | -12.05 | Long.: | 0.63 | No occupant compartment deform. | High | ||||||||
| Pitch: | -1.62 | Lat.: | 0.15 | Lat.: | 0.68 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 0.47 | Long.: | -11.99 | Long.: | 0.43 | No occupant compartment deform. | High | |||||||||
| Pitch: | -2.50 | Lat.: | 0.13 | Lat.: | 1.04 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -2.59 | Long.: | -11.84 | Long.: | 0.66 | No occupant compartment deform. | High | ||||||||
| Pitch: | -1.92 | Lat.: | -0.43 | Lat.: | 1.08 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -1.52 | Long.: | -12.35 | Long.: | -0.69 | No occupant compartment deform. | High | |||||||||
| Pitch: | -1.04 | Lat.: | 0.43 | Lat.: | -0.89 | ||||||||||||||
| MASH 3-62 | Left 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -1.70 | Long.: | -5.77 | Long.: | -0.38 | No occupant compartment deform. | High | |||||||
| Pitch: | -1.56 | Lat.: | 1.10 | Lat.: | 0.75 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -1.01 | Long.: | -5.97 | Long.: | -0.34 | No occupant compartment deform. | High | |||||||||
| Pitch: | -1.25 | Lat.: | 1.47 | Lat.: | 0.80 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -1.12 | Long.: | -6.67 | Long.: | -0.45 | No occupant compartment deform. | High | ||||||||
| Pitch: | -0.93 | Lat.: | 0.33 | Lat.: | 0.43 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -0.95 | Long.: | -6.89 | Long.: | -8.16 | No occupant compartment deform. | High | |||||||||
| Pitch: | -0.80 | Lat.: | -0.14 | Lat.: | -2.58 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 0.68 | Long.: | -5.71 | Long.: | -0.30 | No occupant compartment deform. | High | ||||||||
| Pitch: | -0.94 | Lat.: | -0.66 | Lat.: | -0.86 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 0.54 | Long.: | -6.01 | Long.: | -0.38 | No occupant compartment deform. | High | |||||||||
| Pitch: | 0.89 | Lat.: | -1.00 | Lat.: | -0.66 | ||||||||||||||
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Table 0-18. Detailed Simulation Results – Steel Luminaire Pole with TB1-17 Frangible Base – Case No. 2A-72-11ga
| Pole | Height [ft] | Pole Dimensions | Mast Arm | Transformer Base | Pole Thickness | Weight [lb] | MASH Desig. | Impact Location | Impact Angle (Degree) | Pole Failure Mechanism | Occupant Compartment Deformation | Max. Roll and Pitch Angle (Degree) [Max: 75°] | OIV [ft/s] [P: 10ft/s; Max: 16 ft/s] | Ridedown Acceleration [P: 15g; Max:20.49g] | Simulation Results | Potential to Pass MASH | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2A-72 | 30′ | 8″ Base | Dual 4′ | TB1-17 | 11 ga | 457 lb | MASH 3-60 | Left 1/4 | 0 | Fracture at base of TB; Pole fell on vehicle side | None | Roll: | 0.61 | Long.: | -10.50 | Long.: | -0.32 | No occupant compartment deform. | High |
| Pitch: | -1.67 | Lat.: | -0.29 | Lat.: | 0.65 | ||||||||||||||
| 25 | Fracture at base of TB; Pole fell on vehicle side | None | Roll: | 0.67 | Long.: | -15.45 | Long.: | -0.92 | No occupant compartment deform. | Medium | |||||||||
| Pitch: | -1.18 | Lat.: | -0.81 | Lat.: | 0.73 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole fell off to roof. | Roof: 1.85 in. | Roll: | 0.42 | Long.: | -12.98 | Long.: | 0.89 | Roof: 1.85 in. | Medium | ||||||||
| Pitch: | -0.55 | Lat.: | 0.01 | Lat.: | -0.49 | ||||||||||||||
| 25 | Fracture at base of TB; Pole fell on vehicle side | None | Roll: | 0.43 | Long.: | -13.66 | Long.: | -0.71 | No occupant compartment deform. | High | |||||||||
| Pitch: | -1.94 | Lat.: | -0.07 | Lat.: | -0.54 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB; Pole fell on vehicle side | None | Roll: | 0.96 | Long.: | -11.31 | Long.: | -0.64 | No occupant compartment deform. | High | ||||||||
| Pitch: | -1.43 | Lat.: | 0.48 | Lat.: | -0.79 | ||||||||||||||
| 25 | Fracture at base of TB; Pole fell on vehicle side | None | Roll: | -1.88 | Long.: | -15.26 | Long.: | 1.44 | No occupant compartment deform. | Medium | |||||||||
| Pitch: | -1.27 | Lat.: | 2.34 | Lat.: | 1.53 | ||||||||||||||
| MASH 3-61 | Left 1/4 | 0 | Fracture at base of TB; Pole passeded over vehicle. | None | Roll: | 5.25 | Long.: | -11.84 | Long.: | -0.62 | No occupant compartment deform. | High | |||||||
| Pitch: | -2.82 | Lat.: | 0.03 | Lat.: | 0.73 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passeded over vehicle. | None | Roll: | -1.97 | Long.: | -12.26 | Long.: | 0.92 | No occupant compartment deform. | High | |||||||||
| Pitch: | 1.83 | Lat.: | 0.04 | Lat.: | 1.03 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole passeded over vehicle. | None | Roll: | 0.72 | Long.: | -12.27 | Long.: | 0.49 | No occupant compartment deform. | High | ||||||||
| Pitch: | -2.97 | Lat.: | 0.29 | Lat.: | 0.80 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passeded over vehicle. | None | Roll: | 1.72 | Long.: | -12.05 | Long.: | -1.01 | No occupant compartment deform. | High | |||||||||
| Pitch: | 2.94 | Lat.: | 0.52 | Lat.: | 0.81 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB; Pole passeded over vehicle. | None | Roll: | -2.21 | Long.: | -11.31 | Long.: | -0.64 | No occupant compartment deform. | High | ||||||||
| Pitch: | -2.51 | Lat.: | 0.48 | Lat.: | -0.79 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passeded over vehicle. | None | Roll: | -1.38 | Long.: | -12.42 | Long.: | -0.58 | No occupant compartment deform. | High | |||||||||
| Pitch: | -7.17 | Lat.: | 0.25 | Lat.: | -1.03 | ||||||||||||||
| MASH 3-62 | Left 1/4 | 0 | Fracture at base of TB; Pole passeded over vehicle. | None | Roll: | -6.85 | Long.: | -5.80 | Long.: | 0.49 | No occupant compartment deform. | High | |||||||
| Pitch: | 3.62 | Lat.: | 1.03 | Lat.: | 0.75 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passeded over vehicle. | None | Roll: | -0.98 | Long.: | -5.92 | Long.: | -0.52 | No occupant compartment deform. | High | |||||||||
| Pitch: | -1.45 | Lat.: | 1.50 | Lat.: | 0.58 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole passeded over vehicle. | None | Roll: | -1.03 | Long.: | -6.78 | Long.: | -0.33 | No occupant compartment deform. | High | ||||||||
| Pitch: | 3.89 | Lat.: | 0.24 | Lat.: | -0.53 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passeded over vehicle. | None | Roll: | -0.95 | Long.: | -7.11 | Long.: | -7.98 | No occupant compartment deform. | High | |||||||||
| Pitch: | -1.38 | Lat.: | -0.26 | Lat.: | 2.49 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB; Pole passeded over vehicle. | None | Roll: | -1.95 | Long.: | -5.70 | Long.: | -0.31 | No occupant compartment deform. | High | ||||||||
| Pitch: | -1.94 | Lat.: | -0.72 | Lat.: | -1.03 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passeded over vehicle. | None | Roll: | 0.62 | Long.: | -6.00 | Long.: | -0.38 | No occupant compartment deform. | High | |||||||||
| Pitch: | 1.00 | Lat.: | -1.12 | Lat.: | -0.73 | ||||||||||||||
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Table 0-19. Detailed Simulation Results – Steel Luminaire Pole with TB1-17 Frangible Base – Case No. 2A-24-11ga
| Pole | Height [ft] | Pole Dimensions | Mast Arm | Transformer Base | Pole Thickness | Weight [lb] | MASH Desig. | Impact Location | Impact Angle (Degree) | Pole Failure Mechanism | Occupant Compartment Deformation | Max. Roll and Pitch Angle (Degree) [Max: 75°] | OIV [ft/s] [P: 10ft/s; Max: 16 ft/s] | Ridedown Acceleration [P: 15g; Max:20.49g] | Simulation Results | Potential to Pass MASH | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2A-24 | 30′ | 8″ Base | Single 15′ | TB1-17 | 11 ga | 387 lb | MASH 3-60 | Left 1/4 | 0 | Fracture at base of TB; Pole fell off to vehicle side | None | Roll: | 0.57 | Long.: | -9.95 | Long.: | -0.30 | No occupant compartment deform. | High |
| Pitch: | -1.60 | Lat.: | -0.25 | Lat.: | 0.50 | ||||||||||||||
| 25 | Fracture at base of TB; Pole fell off to roof | Left C-pillar: 1.18 in. Roof deformed slightly. | Roll: | 0.62 | Long.: | -15.57 | Long.: | -0.74 | Max left C-pillar def.: 1.18 in. | low | |||||||||
| Pitch: | -1.13 | Lat.: | -0.81 | Lat.: | 0.70 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole fell off to roof | Roof: 3.08 in. | Roll: | 0.40 | Long.: | -12.90 | Long.: | 0.74 | Roof: 3.08 in. | Medium | ||||||||
| Pitch: | -0.59 | Lat.: | 0.06 | Lat.: | 0.56 | ||||||||||||||
| 25 | Fracture at base of TB; Pole fell off to roof | None | Roll: | 1.10 | Long.: | -14.81 | Long.: | -1.04 | No occupant compartment deform. | Medium | |||||||||
| Pitch: | -2.09 | Lat.: | 0.34 | Lat.: | -0.78 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB; Pole fell off to vehicle side | None | Roll: | 1.00 | Long.: | -11.13 | Long.: | -0.73 | No occupant compartment deform. | High | ||||||||
| Pitch: | -1.51 | Lat.: | 0.50 | Lat.: | -0.82 | ||||||||||||||
| 25 | Fracture at base of TB; Pole fell off to vehicle side | None | Roll: | 1.10 | Long.: | -14.81 | Long.: | 0.49 | Fracture at base of TB; Pole fell off to the right side. | Medium | |||||||||
| Pitch: | -2.09 | Lat.: | 0.34 | Lat.: | 1.65 | ||||||||||||||
| MASH 3-61 | Left 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 1.28 | Long.: | -11.65 | Long.: | 0.61 | No occupant compartment deform. | High | |||||||
| Pitch: | -3.38 | Lat.: | 0.01 | Lat.: | 0.75 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 1.44 | Long.: | -12.21 | Long.: | -0.61 | No occupant compartment deform. | High | |||||||||
| Pitch: | -1.26 | Lat.: | 0.03 | Lat.: | 1.00 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 0.49 | Long.: | -12.11 | Long.: | 0.67 | No occupant compartment deform. | High | ||||||||
| Pitch: | -2.25 | Lat.: | 0.39 | Lat.: | 0.65 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 0.62 | Long.: | -11.86 | Long.: | 0.32 | No occupant compartment deform. | High | |||||||||
| Pitch: | -2.87 | Lat.: | 0.41 | Lat.: | 0.50 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -1.93 | Long.: | -11.93 | Long.: | 0.82 | No occupant compartment deform. | High | ||||||||
| Pitch: | -1.58 | Lat.: | -0.28 | Lat.: | 1.03 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -1.72 | Long.: | -12.51 | Long.: | 0.37 | No occupant compartment deform. | High | |||||||||
| Pitch: | -1.12 | Lat.: | 0.38 | Lat.: | -1.04 | ||||||||||||||
| MASH 3-62 | Left 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 2.06 | Long.: | -5.76 | Long.: | -0.40 | No occupant compartment deform. | High | |||||||
| Pitch: | -1.51 | Lat.: | 1.11 | Lat.: | 0.89 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -0.96 | Long.: | -5.99 | Long.: | -0.39 | No occupant compartment deform. | High | |||||||||
| Pitch: | -1.35 | Lat.: | 1.36 | Lat.: | 0.74 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -1.04 | Long.: | -6.64 | Long.: | -0.40 | No occupant compartment deform. | High | ||||||||
| Pitch: | 4.20 | Lat.: | 0.18 | Lat.: | -0.56 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -0.91 | Long.: | -6.88 | Long.: | -8.29 | No occupant compartment deform. | High | |||||||||
| Pitch: | -0.96 | Lat.: | 0.06 | Lat.: | 2.13 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 0.85 | Long.: | -5.72 | Long.: | -0.35 | No occupant compartment deform. | High | ||||||||
| Pitch: | 0.92 | Lat.: | -0.55 | Lat.: | -0.91 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 0.63 | Long.: | -5.99 | Long.: | 0.38 | No occupant compartment deform. | High | |||||||||
| Pitch: | 0.97 | Lat.: | -1.16 | Lat.: | -0.75 | ||||||||||||||
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Table 0-20. Detailed Simulation Results – Steel Luminaire Pole with TB1-17 Frangible Base – Case No. 2A-77-11ga
| Pole | Height [ft] | Pole Dimensions | Mast Arm | Transformer Base | Pole Thickness | Weight [lb] | MASH Desig. | Impact Location | Impact Angle (Degree) | Pole Failure Mechanism | Occupant Compartment Deformation | Max. Roll and Pitch Angle (Degree) [Max: 75°] | OIV [ft/s] [P: 10ft/s; Max: 16 ft/s] | Ridedown Acceleration [P: 15g; Max:20.49g] | Simulation Results | Potential to Pass MASH | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2A-77 | 30′ | 8″ Base | Dual 15′ | TB1-17 | 11 ga | 549 lb | MASH 3-60 | Left 1/4 | 0 | Fracture at base of TB; Pole fell on vehicle side | None | Roll: | 0.56 | Long.: | -10.49 | Long.: | 0.29 | No occupant compartment deform. | High |
| Pitch: | -1.70 | Lat.: | -0.25 | Lat.: | 0.59 | ||||||||||||||
| 25 | Fracture at base of TB; Pole fell on vehicle side | None | Roll: | 0.69 | Long.: | -13.65 | Long.: | -1.52 | No occupant compartment deform. | High | |||||||||
| Pitch: | -1.14 | Lat.: | -0.61 | Lat.: | 0.86 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole fell on roof. | Roof: 2.76 in. | Roll: | 0.37 | Long.: | -12.80 | Long.: | 0.93 | Roof = 2.76 in. | Medium | ||||||||
| Pitch: | -0.48 | Lat.: | 0.02 | Lat.: | 0.66 | ||||||||||||||
| 25 | Fracture at base of TB | Right C-pillar: 0.73 in. | Roll: | 0.57 | Long.: | -13.52 | Long.: | 0.57 | Max right C-pillar def.: 0.73 in. | Medium | |||||||||
| Pitch: | -1.98 | Lat.: | -0.04 | Lat.: | 0.49 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB; Pole fell on vehicle side | None | Roll: | 0.87 | Long.: | -10.70 | Long.: | -0.50 | No occupant compartment deform. | High | ||||||||
| Pitch: | -1.47 | Lat.: | 0.40 | Lat.: | -1.15 | ||||||||||||||
| 25 | Fracture at base of TB; Pole fell on vehicle side | None | Roll: | -2.09 | Long.: | -15.12 | Long.: | -1.11 | No occupant compartment deform. | Medium | |||||||||
| Pitch: | -1.25 | Lat.: | 2.37 | Lat.: | -2.14 | ||||||||||||||
| MASH 3-61 | Left 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 2.88 | Long.: | -11.98 | Long.: | -0.75 | No occupant compartment deform. | High | |||||||
| Pitch: | -4.78 | Lat.: | 0.31 | Lat.: | 0.96 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 1.83 | Long.: | -12.20 | Long.: | 0.99 | No occupant compartment deform. | High | |||||||||
| Pitch: | -1.67 | Lat.: | 0.17 | Lat.: | 0.89 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 0.75 | Long.: | -12.33 | Long.: | -0.87 | No occupant compartment deform. | High | ||||||||
| Pitch: | -3.61 | Lat.: | 0.26 | Lat.: | -0.77 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 1.83 | Long.: | -12.10 | Long.: | -0.81 | No occupant compartment deform. | High | |||||||||
| Pitch: | -3.32 | Lat.: | 0.56 | Lat.: | -1.36 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -3.03 | Long.: | -12.00 | Long.: | -0.57 | No occupant compartment deform. | High | ||||||||
| Pitch: | -2.05 | Lat.: | -0.33 | Lat.: | 1.16 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -1.99 | Long.: | -12.52 | Long.: | 0.57 | No occupant compartment deform. | High | |||||||||
| Pitch: | -1.21 | Lat.: | -0.15 | Lat.: | -0.81 | ||||||||||||||
| MASH 3-62 | Left 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -4.93 | Long.: | -5.79 | Long.: | -0.55 | No occupant compartment deform. | High | |||||||
| Pitch: | 6.58 | Lat.: | 1.11 | Lat.: | 0.93 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -1.05 | Long.: | -5.94 | Long.: | 0.48 | No occupant compartment deform. | High | |||||||||
| Pitch: | -1.87 | Lat.: | 1.35 | Lat.: | 0.71 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -1.56 | Long.: | -6.77 | Long.: | -0.37 | No occupant compartment deform. | High | ||||||||
| Pitch: | 3.83 | Lat.: | 0.15 | Lat.: | 0.49 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -4.69 | Long.: | -7.17 | Long.: | 0.48 | No occupant compartment deform. | High | |||||||||
| Pitch: | 7.48 | Lat.: | -0.59 | Lat.: | 0.70 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -0.88 | Long.: | -5.81 | Long.: | -0.27 | No occupant compartment deform. | High | ||||||||
| Pitch: | 2.27 | Lat.: | -0.55 | Lat.: | -1.00 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 0.62 | Long.: | -5.99 | Long.: | -0.36 | No occupant compartment deform. | High | |||||||||
| Pitch: | 4.23 | Lat.: | -0.90 | Lat.: | -0.69 | ||||||||||||||
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Table 0-21. Detailed Simulation Results – Steel Luminaire Pole with TB1-17 Frangible Base – Case No. 2A-78-11ga
| Pole | Height [ft] | Pole Dimensions | Mast Arm | Transformer Base | Pole Thickness | Weight [lb] | MASH Desig. | Impact Location | Impact Angle (Degree) | Pole Failure Mechanism | Occupant Compartment Deformation | Max. Roll and Pitch Angle (Degree) [Max: 75°] | OIV [ft/s] [P: 10ft/s; Max: 16 ft/s] | Ridedown Acceleration [P: 15g; Max:20.49g] | Simulation Results | Potential to Pass MASH | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2A-78 | 30′ | 8″ Base | Single 20′ | TB1-17 | 11 ga | 452 lb | MASH 3-60 | Left 1/4 | 0 | Fracture at base of TB | None | Roll: | 0.58 | Long.: | -10.54 | Long.: | -0.36 | No occupant compartment deform. | High |
| Pitch: | -1.68 | Lat.: | -0.36 | Lat.: | 0.70 | ||||||||||||||
| 25 | Fracture at base of TB | None | Roll: | 2.47 | Long.: | -14.90 | Long.: | -0.85 | No occupant compartment deform. | Medium | |||||||||
| Pitch: | -3.01 | Lat.: | -0.82 | Lat.: | 0.90 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole fell on roof. | Roof: 2.3 in. | Roll: | 0.37 | Long.: | -12.80 | Long.: | 0.69 | Roof: 2.3 in. | Medium | ||||||||
| Pitch: | -0.43 | Lat.: | 0.06 | Lat.: | 0.62 | ||||||||||||||
| 25 | Fracture at base of TB | None | Roll: | 0.49 | Long.: | -13.76 | Long.: | -0.79 | No occupant compartment deform. | High | |||||||||
| Pitch: | -1.99 | Lat.: | 0.55 | Lat.: | 0.85 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB | None | Roll: | 1.15 | Long.: | -11.48 | Long.: | -0.82 | No occupant compartment deform. | High | ||||||||
| Pitch: | -1.46 | Lat.: | 0.46 | Lat.: | -0.70 | ||||||||||||||
| 25 | Fracture at base of TB | None | Roll: | -1.60 | Long.: | -14.93 | Long.: | -1.20 | No occupant compartment deformation. Pole snagged to right front tire while falling. | Medium | |||||||||
| Pitch: | -1.36 | Lat.: | 2.73 | Lat.: | 1.46 | ||||||||||||||
| MASH 3-61 | Left 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 1.66 | Long.: | -11.70 | Long.: | -0.74 | No occupant compartment deform. | High | |||||||
| Pitch: | -1.45 | Lat.: | 0.04 | Lat.: | 0.96 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 1.98 | Long.: | -12.19 | Long.: | -0.92 | No occupant compartment deform. | High | |||||||||
| Pitch: | -1.59 | Lat.: | 0.06 | Lat.: | 0.95 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 0.59 | Long.: | -12.07 | Long.: | -0.74 | No occupant compartment deform. | High | ||||||||
| Pitch: | -2.37 | Lat.: | 0.53 | Lat.: | 0.77 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 3.17 | Long.: | -12.09 | Long.: | -0.84 | No occupant compartment deform. | High | |||||||||
| Pitch: | -2.86 | Lat.: | 0.61 | Lat.: | 1.20 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 2.87 | Long.: | -11.79 | Long.: | 0.61 | No occupant compartment deform. | High | ||||||||
| Pitch: | 2.30 | Lat.: | -0.36 | Lat.: | -1.03 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -1.73 | Long.: | -12.47 | Long.: | -0.45 | No occupant compartment deform. | High | |||||||||
| Pitch: | 4.12 | Lat.: | 0.04 | Lat.: | -1.03 | ||||||||||||||
| MASH 3-62 | Left 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -4.46 | Long.: | -5.77 | Long.: | 0.45 | No occupant compartment deform. | High | |||||||
| Pitch: | -2.03 | Lat.: | 1.05 | Lat.: | 0.70 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -2.38 | Long.: | -5.95 | Long.: | -0.3 | No occupant compartment deform. | High | |||||||||
| Pitch: | -1.40 | Lat.: | 1.47 | Lat.: | 0.63 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -1.06 | Long.: | -6.75 | Long.: | -0.31 | No occupant compartment deform. | High | ||||||||
| Pitch: | -0.96 | Lat.: | 0.07 | Lat.: | -0.57 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -0.98 | Long.: | -6.93 | Long.: | 0.40 | No occupant compartment deform. | High | |||||||||
| Pitch: | -1.28 | Lat.: | -0.34 | Lat.: | -0.64 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 1.11 | Long.: | -5.79 | Long.: | -0.37 | No occupant compartment deform. | High | ||||||||
| Pitch: | 5.70 | Lat.: | -0.68 | Lat.: | -1.08 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 1.86 | Long.: | -5.95 | Long.: | -0.28 | No occupant compartment deform. | High | |||||||||
| Pitch: | 1.22 | Lat.: | -1.10 | Lat.: | -0.73 | ||||||||||||||
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Table 0-22. Detailed Simulation Results – Steel Luminaire Pole with TB1-17 Frangible Base – Case No. 2A-79-11ga
| Pole | Height [ft] | Pole Dimensions | Mast Arm | Transformer Base | Pole Thickness | Weight [lb] | MASH Desig. | Impact Location | Impact Angle (Degree) | Pole Failure Mechanism | Occupant Compartment Deformation | Max. Roll and Pitch Angle (Degree) [Max: 75°] | OIV [ft/s] [P: 10ft/s; Max: 16 ft/s] | Ridedown Acceleration [P: 15g; Max:20.49g] | Simulation Results | Potential to Pass MASH | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2A-79 | 30′ | 8″ Base | Dual 20′ | TB1-17 | 11 ga | 678 lb | MASH 3-60 | Left 1/4 | 0 | Fracture at base of TB | None | Roll: | 0.61 | Long.: | -10.65 | Long.: | -0.39 | No occupant compartment deform. | High |
| Pitch: | -1.67 | Lat.: | -0.30 | Lat.: | 0.87 | ||||||||||||||
| 25 | Fracture at base of TB | Left A-pillar: 0.2 in. | Roll: | 0.82 | Long.: | -16.06 | Long.: | -0.97 | Max Left A-pillar def.: 0.2 in. | low | |||||||||
| Pitch: | -1.32 | Lat.: | -0.79 | Lat.: | 0.79 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole fell on roof | Roof: 2.53 in. | Roll: | 0.38 | Long.: | -12.97 | Long.: | 0.74 | Roof: 2.53 in. | Medium | ||||||||
| Pitch: | -0.59 | Lat.: | 0.04 | Lat.: | -0.50 | ||||||||||||||
| 25 | Fracture at base of TB | Right C-pillar: 1.15 in. | Roll: | 0.55 | Long.: | -14.13 | Long.: | 0.62 | Max. right C-pillar def.: 1.15 in. | Medium | |||||||||
| Pitch: | -2.09 | Lat.: | 0.2986 | Lat.: | 0.62 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB | None | Roll: | 0.87 | Long.: | -10.63 | Long.: | -0.68 | No occupant compartment deform. | High | ||||||||
| Pitch: | -1.40 | Lat.: | 0.38 | Lat.: | -0.91 | ||||||||||||||
| 25 | Fracture at base of TB | None | Roll: | -1.64 | Long.: | -15.06 | Long.: | 1.20 | No occupant compartment deform. | Medium | |||||||||
| Pitch: | -1.27 | Lat.: | 2.70 | Lat.: | 1.79 | ||||||||||||||
| MASH 3-61 | Left 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 2.90 | Long.: | -12.26 | Long.: | 0.73 | No occupant compartment deform. | High | |||||||
| Pitch: | -2.21 | Lat.: | 0.52 | Lat.: | 0.80 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 2.51 | Long.: | -12.26 | Long.: | -0.67 | No occupant compartment deform. | High | |||||||||
| Pitch: | -1.92 | Lat.: | 0.14 | Lat.: | 0.93 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 0.79 | Long.: | -12.18 | Long.: | -1.20 | No occupant compartment deform. | High | ||||||||
| Pitch: | -5.48 | Lat.: | -0.07 | Lat.: | 1.05 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 1.53 | Long.: | -12.26 | Long.: | 0.88 | No occupant compartment deform. | High | |||||||||
| Pitch: | -3.73 | Lat.: | 0.58 | Lat.: | -1.15 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -5.24 | Long.: | -12.02 | Long.: | -0.87 | No occupant compartment deform. | High | ||||||||
| Pitch: | -4.04 | Lat.: | -0.67 | Lat.: | -1.19 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -2.02 | Long.: | -12.54 | Long.: | -0.42 | No occupant compartment deform. | High | |||||||||
| Pitch: | -1.19 | Lat.: | -0.02 | Lat.: | -1.05 | ||||||||||||||
| MASH 3-62 | Left 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -3.30 | Long.: | -5.96 | Long.: | -0.50 | No occupant compartment deform. | High | |||||||
| Pitch: | 5.12 | Lat.: | 0.84 | Lat.: | 1.02 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -0.99 | Long.: | -6.01 | Long.: | -0.55 | No occupant compartment deform. | High | |||||||||
| Pitch: | 1.82 | Lat.: | 1.31 | Lat.: | 0.79 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -1.45 | Long.: | -7.09 | Long.: | -1.22 | No occupant compartment deform. | High | ||||||||
| Pitch: | 4.01 | Lat.: | -0.08 | Lat.: | 0.88 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -1.64 | Long.: | -7.13 | Long.: | 0.67 | No occupant compartment deform. | High | |||||||||
| Pitch: | 2.61 | Lat.: | -0.55 | Lat.: | 0.76 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 3.27 | Long.: | -5.87 | Long.: | -0.34 | No occupant compartment deform. | High | ||||||||
| Pitch: | 3.21 | Lat.: | -0.59 | Lat.: | -0.69 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 1.38 | Long.: | -5.94 | Long.: | -0.44 | No occupant compartment deform. | High | |||||||||
| Pitch: | 3.76 | Lat.: | -1.22 | Lat.: | -0.56 | ||||||||||||||
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Table 0-23. Detailed Simulation Results – Steel Luminaire Pole with TB1-17 Frangible Base – Case No. 2A-19-7ga
| Pole | Height [ft] | Pole Dimensions | Mast Arm | Transformer Base | Pole Thickness | Weight [lb] | MASH Desig. | Impact Location | Impact Angle (Degree) | Pole Failure Mechanism | Occupant Compartment Deformation | Max. Roll and Pitch Angle (Degree) [Max: 75°] | OIV [ft/s] [P: 10ft/s; Max: 16 ft/s] | Ridedown Acceleration [P: 15g; Max:20.49g] | Simulation Results | Potential to Pass MASH | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2A-19 | 30′ | 8″ Base | Single 4′ | TB1-17 | 7ga | 470 lb | MASH 3-60 | Left 1/4 | 0 | Fracture at base of TB | None | Roll: | 0.49 | Long.: | -10.52 | Long.: | 0.31 | No occupant compartment deform. | High |
| Pitch: | -1.40 | Lat.: | -0.38 | Lat.: | 0.57 | ||||||||||||||
| 25 | Fracture at base of TB | None | Roll: | 0.69 | Long.: | -16.03 | Long.: | -0.66 | No occupant compartment deform. | low | |||||||||
| Pitch: | -1.40 | Lat.: | -0.81 | Lat.: | 0.77 | ||||||||||||||
| Center | 0 | Fracture at base of TB | Roof: 3.41 in. | Roll: | 0.42 | Long.: | -13.33 | Long.: | 0.80 | Roof: 3.41 in. | Medium | ||||||||
| Pitch: | -0.56 | Lat.: | 0.10 | Lat.: | -0.61 | ||||||||||||||
| 25 | Fracture at base of TB | A-Pillar: 1.26 in. | Roll: | -32.80 | Long.: | -14.05 | Long.: | -1.65 | A-Pillar: 1.26 in. | Medium | |||||||||
| Pitch: | 7.00 | Lat.: | 0.30 | Lat.: | 1.73 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB | None | Roll: | 1.05 | Long.: | -12.15 | Long.: | -0.92 | No occupant compartment deform. | High | ||||||||
| Pitch: | -1.32 | Lat.: | 0.69 | Lat.: | -0.90 | ||||||||||||||
| 25 | Fracture at base of TB | None | Roll: | -3.07 | Long.: | -18.39 | Long.: | -4.01 | No occupant compartment deform. | low | |||||||||
| Pitch: | -1.32 | Lat.: | 1.44 | Lat.: | 2.41 | ||||||||||||||
| MASH 3-61 | Center | 0 | Fracture at base of TB | None | Roll: | 0.53 | Long.: | -13.75 | Long.: | -0.87 | No occupant compartment deform. | High | |||||||
| Pitch: | -2.30 | Lat.: | 0.36 | Lat.: | 0.68 | ||||||||||||||
| 25 | Fracture at base of TB | None | Roll: | 0.68 | Long.: | -13.33 | Long.: | -0.62 | No occupant compartment deform. | High | |||||||||
| Pitch: | -3.18 | Lat.: | 0.40 | Lat.: | 0.93 | ||||||||||||||
| MASH 3-62 | Center | 0 | Fracture at base of TB | None | Roll: | -1.17 | Long.: | -7.49 | Long.: | -0.35 | No occupant compartment deform. | High | |||||||
| Pitch: | -0.99 | Lat.: | 0.03 | Lat.: | 0.55 | ||||||||||||||
| 25 | Fracture at base of TB | None | Roll: | -1.04 | Long.: | -7.80 | Long.: | -0.67 | No occupant compartment deform. | High | |||||||||
| Pitch: | -1.23 | Lat.: | 0.08 | Lat.: | 0.66 | ||||||||||||||
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Table 0-24. Detailed Simulation Results – Steel Luminaire Pole with TB1-17 Frangible Base – Case No. 2A-72-7ga
| Pole | Height [ft] | Pole Dimensions | Mast Arm | Transformer Base | Pole Thickness | Weight [lb] | MASH Desig. | Impact Location | Impact Angle (Degree) | Pole Failure Mechanism | Occupant Compartment Deformation | Max. Roll and Pitch Angle (Degree) [Max: 75°] | OIV [ft/s] [P: 10ft/s; Max: 16 ft/s] | Ridedown Acceleration [P: 15g; Max:20.49g] | Simulation Results | Potential to Pass MASH | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2A-72 | 30′ | 8″ Base | Dual 4′ | TB1-17 | 7 ga | 586 lb | MASH 3-60 | Center | 0 | Fracture at base of TB | Roof: 5.54 in. | Roll: | 0.40 | Long.: | -13.47 | Long.: | 0.90 | Roof: 5.54 in. | low |
| Pitch: | -0.37 | Lat.: | 0.03 | Lat.: | 0.66 | ||||||||||||||
| 25 | Fracture at base of TB | Roof: 6.96 in. | Roll: | 0.55 | Long.: | -14.46 | Long.: | 0.53 | Roof: 6.96 in. | low | |||||||||
| Pitch: | -2.10 | Lat.: | -0.10 | Lat.: | 0.67 | ||||||||||||||
| MASH 3-61 | Center | 0 | Fracture at base of TB | None | Roll: | 2.75 | Long.: | -13.65 | Long.: | -0.79 | No occupant compartment deform. | High | |||||||
| Pitch: | -3.29 | Lat.: | 0.39 | Lat.: | 0.64 | ||||||||||||||
| 25 | Fracture at base of TB | None | Roll: | -1.14 | Long.: | -13.49 | Long.: | -0.86 | No occupant compartment deform. | High | |||||||||
| Pitch: | -3.46 | Lat.: | 0.19 | Lat.: | -0.78 | ||||||||||||||
| MASH 3-62 | Center | 0 | Fracture at base of TB | None | Roll: | -1.13 | Long.: | -7.49 | Long.: | -0.30 | No occupant compartment deform. | High | |||||||
| Pitch: | -1.12 | Lat.: | -0.04 | Lat.: | 0.62 | ||||||||||||||
| 25 | Fracture at base of TB | None | Roll: | -1.42 | Long.: | -8.24 | Long.: | -0.53 | No occupant compartment deform. | High | |||||||||
| Pitch: | -1.60 | Lat.: | -0.12 | Lat.: | 0.82 | ||||||||||||||
Table 0-25. Detailed Simulation Results – Steel Luminaire Pole with TB1-17 Frangible Base – Case No. 2A-24-7ga
| Pole | Height [ft] | Pole Dimensions | Mast Arm | Transformer Base | Pole Thickness | Weight [lb] | MASH Desig. | Impact Location | Impact Angle (Degree) | Pole Failure Mechanism | Occupant Compartment Deformation | Max. Roll and Pitch Angle (Degree) [Max: 75°] | OIV [ft/s] [P: 10ft/s; Max: 16 ft/s] | Ridedown Acceleration [P: 15g; Max:20.49g] | Simulation Results | Potential to Pass MASH | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2A-24 | 30′ | 8″ Base | Single 15′ | TB1-17 | 7 ga | 516 lb | MASH 3-60 | Center | 0 | Fracture at base of TB | Roof: 3.11 in. | Roll: | 0.41 | Long.: | -13.35 | Long.: | 0.82 | Roof: 3.11 in. | Medium |
| Pitch: | -0.41 | Lat.: | 0.03 | Lat.: | 0.55 | ||||||||||||||
| 25 | Fracture at base of TB | None | Roll: | 0.53 | Long.: | -13.89 | Long.: | 0.83 | No occupant compartment deform. | High | |||||||||
| Pitch: | -3.00 | Lat.: | 0.06 | Lat.: | 0.74 | ||||||||||||||
| MASH 3-61 | Center | 0 | Fracture at base of TB | None | Roll: | 0.56 | Long.: | -13.54 | Long.: | -0.42 | No occupant compartment deform. | High | |||||||
| Pitch: | -2.57 | Lat.: | 0.46 | Lat.: | 0.81 | ||||||||||||||
| 25 | Fracture at base of TB | None | Roll: | 0.64 | Long.: | -13.35 | Long.: | -1.28 | No occupant compartment deform. | High | |||||||||
| Pitch: | -3.44 | Lat.: | 0.50 | Lat.: | 0.82 | ||||||||||||||
| MASH 3-62 | Center | 0 | Fracture at base of TB | None | Roll: | -1.17 | Long.: | 7.38 | Long.: | -0.43 | No occupant compartment deform. | High | |||||||
| Pitch: | 1.51 | Lat.: | 0.02 | Lat.: | 0.41 | ||||||||||||||
| 25 | Fracture at base of TB | None | Roll: | -1.03 | Long.: | 7.82 | Long.: | -0.45 | No occupant compartment deform. | High | |||||||||
| Pitch: | -1.33 | Lat.: | -0.13 | Lat.: | -0.71 | ||||||||||||||
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Table 0-26. Detailed Simulation Results – Steel Luminaire Pole with TB1-17 Frangible Base – Case No. 2A-77-7ga
| Pole | Height [ft] | Pole Dimensions | Mast Arm | Transformer Base | Pole Thickness | Weight [lb] | MASH Desig. | Impact Location | Impact Angle (Degree) | Pole Failure Mechanism | Occupant Compartment Deformation | Max. Roll and Pitch Angle (Degree) [Max: 75°] | OIV [ft/s] [P: 10ft/s; Max: 16 ft/s] | Ridedown Acceleration [P: 15g; Max:20.49g] | Simulation Results | Potential to Pass MASH | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2A-77 | 30′ | 8″ Base | Dual 15′ | TB1-17 | 7 ga | 678 lb | MASH 3-60 | Center | 0 | Fracture at base of TB | Roof: 5.64 in. | Roll: | 0.40 | Long.: | -13.26 | Long.: | 0.85 | Roof: 5.64 in. | low |
| Pitch: | -0.40 | Lat.: | -0.02 | Lat.: | 0.63 | ||||||||||||||
| 25 | Fracture at base of TB | Roof: 1.37 in. | Roll: | 0.70 | Long.: | -13.59 | Long.: | 0.66 | Roof: 1.37 in. | Medium | |||||||||
| Pitch: | -2.09 | Lat.: | 0.09 | Lat.: | 0.63 | ||||||||||||||
| MASH 3-61 | Center | 0 | Fracture at base of TB | None | Roll: | 0.63 | Long.: | -13.91 | Long.: | -0.86 | No occupant compartment deform. | high | |||||||
| Pitch: | -1.82 | Lat.: | 0.21 | Lat.: | 0.86 | ||||||||||||||
| 25 | Fracture at base of TB | None | Roll: | -2.77 | Long.: | -13.49 | Long.: | -1.05 | No occupant compartment deform. | high | |||||||||
| Pitch: | -3.67 | Lat.: | 0.48 | Lat.: | 0.80 | ||||||||||||||
| MASH 3-62 | Center | 0 | Fracture at base of TB | None | Roll: | 3.78 | Long.: | -7.51 | Long.: | -0.29 | No occupant compartment deform. | high | |||||||
| Pitch: | 5.04 | Lat.: | -0.09 | Lat.: | 0.97 | ||||||||||||||
| 25 | Fracture at base of TB | None | Roll: | -1.64 | Long.: | -8.13 | Long.: | -0.57 | No occupant compartment deform. | high | |||||||||
| Pitch: | -1.76 | Lat.: | -0.28 | Lat.: | -0.70 | ||||||||||||||
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Table 0-27. Detailed Simulation Results – Steel Luminaire Pole with TB1-17 Frangible Base – Case No. 2A-27-7ga
| Pole | Height [ft] | Pole Dimensions | Mast Arm | Transformer Base | Pole Thickness | Weight [lb] | MASH Desig. | Impact Location | Impact Angle (Degree) | Pole Failure Mechanism | Occupant Compartment Deformation | Max. Roll and Pitch Angle (Degree) [Max: 75°] | OIV [ft/s] [P: 10ft/s; Max: 16 ft/s] | Ridedown Acceleration [P: 15g; Max:20.49g] | Simulation Results | Potential to Pass MASH | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2A-27 | 30′ | 8″ Base | Single 30′ | TB1-17 | 7 ga | 787 lb | MASH 3-60 | Left 1/4 | 0 | Base did not activate | None | Roll: | -0.60 | Long.: | -31.33 | Long.: | -2.42 | Base did not activate | low |
| Pitch: | -0.64 | Lat.: | -2.94 | Lat.: | -1.22 | ||||||||||||||
| 25 | Base did not activate | None | Roll: | 0.88 | Long.: | -29.98 | Long.: | -1.86 | Base did not activate | low | |||||||||
| Pitch: | -0.62 | Lat.: | -2.87 | Lat.: | -2.21 | ||||||||||||||
| Center | 0 | Base did not activate | None | Roll: | 0.56 | Long.: | -32.21 | Long.: | -2.56 | Base did not activate | low | ||||||||
| Pitch: | -2.03 | Lat.: | -3.06 | Lat.: | -3.59 | ||||||||||||||
| 25 | Base did not activate | None | Roll: | 0.82 | Long.: | -26.99 | Long.: | -1.59 | Base did not activate | low | |||||||||
| Pitch: | -1.08 | Lat.: | -0.29 | Lat.: | -1.17 | ||||||||||||||
| Right 1/4 | 0 | Base did not activate | None | Roll: | 0.00 | Long.: | -33.17 | Long.: | -1.18 | Base did not activate | low | ||||||||
| Pitch: | 0.00 | Lat.: | 4.17 | Lat.: | 1.23 | ||||||||||||||
| 25 | Base did not activate | None | Roll: | 1.92 | Long.: | -30.71 | Long.: | -0.90 | Base did not activate | low | |||||||||
| Pitch: | -0.45 | Lat.: | 6.48 | Lat.: | -1.72 | ||||||||||||||
| MASH 3-61 | Center | 0 | Fracture at base of TB | None | Roll: | 0.73 | Long.: | -17.59 | Long.: | -0.93 | No occupant compartment deform. | low | |||||||
| Pitch: | -2.77 | Lat.: | 0.18 | Lat.: | 0.78 | ||||||||||||||
| 25 | Fracture at base of TB | None | Roll: | 0.76 | Long.: | -17.50 | Long.: | -1.16 | No occupant compartment deform. | low | |||||||||
| Pitch: | -2.42 | Lat.: | 0.29 | Lat.: | -1.13 | ||||||||||||||
| MASH 3-62 | Center | 0 | Fracture at base of TB | None | Roll: | -1.54 | Long.: | -10.98 | Long.: | 2.99 | No occupant compartment deform. | High | |||||||
| Pitch: | -2.43 | Lat.: | -0.42 | Lat.: | 0.97 | ||||||||||||||
| 25 | Fracture at base of TB | None | Roll: | -1.50 | Long.: | -10.90 | Long.: | 2.35 | No occupant compartment deform. | High | |||||||||
| Pitch: | -2.50 | Lat.: | -1.07 | Lat.: | 0.96 | ||||||||||||||
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Table 0-28. Detailed Simulation Results – Steel Luminaire Pole with TB1-17 Frangible Base – Case No. 2A-35-11ga
| Pole | Height [ft] | Pole Dimensions | Mast Arm | Transformer Base | Pole Thickness | Weight [lb] | MASH Desig. | Impact Location | Impact Angle (Degree) | Pole Failure Mechanism | Occupant Compartment Deformation | Max. Roll and Pitch Angle (Degree) [Max: 75°] | OIV [ft/s] [P: 10ft/s; Max: 16 ft/s] | Ridedown Acceleration [P: 15g; Max:20.49g] | Simulation Results | Potential to Pass MASH | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2A-35 | 40′ | 10″ Base | Single 4′ | TB1-17 | 11 ga | 483 lb | MASH 3-60 | Left 1/4 | 0 | Fracture at base of TB; Pole fell on vehicle side | None | Roll: | 0.66 | Long.: | -9.33 | Long.: | -0.21 | No occupant compartment deform. | High |
| Pitch: | -1.52 | Lat.: | -0.03 | Lat.: | 0.44 | ||||||||||||||
| 25 | Fracture at base of TB; Pole fell on vehicle side | Left C-pillar: 0.57 in. | Roll: | 0.81 | Long.: | -15.40 | Long.: | -0.51 | C-pillar: 0.57 in. | Medium | |||||||||
| Pitch: | -0.69 | Lat.: | -1.15 | Lat.: | 0.61 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole fell off on roof. | Roof: 3.86 in. front and rear windshield damaged | Roll: | 0.34 | Long.: | -12.69 | Long.: | 0.87 | Roof: 3.86 in. | Medium | ||||||||
| Pitch: | -0.70 | Lat.: | 0.15 | Lat.: | 0.44 | ||||||||||||||
| 25 | Fracture at base of TB; Pole fell off on roof. | Roof: 0.9 in. Front windshield damaged | Roll: | 0.43 | Long.: | -12.27 | Long.: | -0.44 | Max Roof def.: 0.9 in. | Medium | |||||||||
| Pitch: | -0.95 | Lat.: | 0.03 | Lat.: | -0.45 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB; Pole fell on vehicle side | None | Roll: | 1.00 | Long.: | -10.46 | Long.: | -0.60 | No occupant compartment deform. | High | ||||||||
| Pitch: | -1.09 | Lat.: | 0.32 | Lat.: | -0.83 | ||||||||||||||
| 25 | Fracture at base of TB; Pole fell on vehicle side | None | Roll: | -1.61 | Long.: | -13.59 | Long.: | -1.01 | No occupant compartment deform. | High | |||||||||
| Pitch: | -1.16 | Lat.: | 1.91 | Lat.: | -0.85 | ||||||||||||||
| MASH 3-61 | Left 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 2.18 | Long.: | -12.50 | Long.: | 0.70 | No occupant compartment deform. | High | |||||||
| Pitch: | -1.39 | Lat.: | 0.36 | Lat.: | -1.16 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 2.82 | Long.: | -13.64 | Long.: | 0.79 | No occupant compartment deform. | High | |||||||||
| Pitch: | -2.93 | Lat.: | -0.19 | Lat.: | -0.85 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -0.86 | Long.: | -13.34 | Long.: | -0.66 | No occupant compartment deform. | High | ||||||||
| Pitch: | -4.66 | Lat.: | 0.76 | Lat.: | 0.68 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 1.98 | Long.: | -13.05 | Long.: | -1.04 | No occupant compartment deform. | High | |||||||||
| Pitch: | 3.09 | Lat.: | 0.96 | Lat.: | 0.73 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -2.03 | Long.: | -13.07 | Long.: | 0.57 | No occupant compartment deform. | High | ||||||||
| Pitch: | -1.74 | Lat.: | -0.29 | Lat.: | -1.10 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -3.01 | Long.: | -13.21 | Long.: | -0.87 | No occupant compartment deform. | High | |||||||||
| Pitch: | -3.03 | Lat.: | 0.20 | Lat.: | -0.99 | ||||||||||||||
| MASH 3-62 | Left 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -1.01 | Long.: | -6.13 | Long.: | -0.58 | No occupant compartment deform. | High | |||||||
| Pitch: | 1.60 | Lat.: | 1.33 | Lat.: | 0.75 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -1.06 | Long.: | -6.53 | Long.: | -0.52 | No occupant compartment deform. | High | |||||||||
| Pitch: | 3.82 | Lat.: | 1.34 | Lat.: | 0.83 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -1.21 | Long.: | -7.42 | Long.: | -0.55 | No occupant compartment deform. | High | ||||||||
| Pitch: | -1.38 | Lat.: | 0.03 | Lat.: | -0.61 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -3.18 | Long.: | -7.23 | Long.: | -0.40 | No occupant compartment deform. | High | |||||||||
| Pitch: | -7.71 | Lat.: | -0.10 | Lat.: | 0.80 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 0.61 | Long.: | -6.45 | Long.: | -0.52 | No occupant compartment deform. | High | ||||||||
| Pitch: | 2.94 | Lat.: | -0.69 | Lat.: | -0.76 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -1.78 | Long.: | -6.13 | Long.: | -0.49 | No occupant compartment deform. | High | |||||||||
| Pitch: | 0.88 | Lat.: | -0.98 | Lat.: | -0.98 | ||||||||||||||
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Table 0-29. Detailed Simulation Results – Steel Luminaire Pole with TB1-17 Frangible Base – Case No. 2A-88-11ga
| Pole | Height [ft] | Pole Dimensions | Mast Arm | Transformer Base | Pole Thickness | Weight [lb] | MASH Desig. | Impact Location | Impact Angle (Degree) | Pole Failure Mechanism | Occupant Compartment Deformation | Max. Roll and Pitch Angle (Degree) [Max: 75°] | OIV [ft/s] [P: 10ft/s; Max: 16 ft/s] | Ridedown Acceleration [P: 15g; Max:20.49g] | Simulation Results | Potential to Pass MASH | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2A-88 | 40′ | 10″ Base | Dual 4′ | TB1-17 | 11 ga | 599 lb | MASH 3-60 | Left 1/4 | 0 | Fracture at base of TB | None | Roll: | 0.62 | Long.: | -9.89 | Long.: | -0.19 | No occupant compartment deform. | High |
| Pitch: | -1.52 | Lat.: | -0.17 | Lat.: | 0.49 | ||||||||||||||
| 25 | Fracture at base of TB; Pole fell off to roof | Roof: 2.17 in. | Roll: | 0.76 | Long.: | -17.35 | Long.: | -0.86 | Max Roof def.: 2.17 in. | low | |||||||||
| Pitch: | -1.58 | Lat.: | -1.28 | Lat.: | 0.77 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole fell off to roof | Roof: 4.45 in. | Roll: | 0.35 | Long.: | -12.61 | Long.: | -0.73 | Roof: 4.48 in. | low | ||||||||
| Pitch: | -0.67 | Lat.: | 0.15 | Lat.: | -0.77 | ||||||||||||||
| 25 | Fracture at base of TB; Pole fell off to roof | Roof: 2.23 in. | Roll: | 0.38 | Long.: | -12.43 | Long.: | -0.64 | Max Roof def.: 2.23 in. | Medium | |||||||||
| Pitch: | -0.94 | Lat.: | -0.28 | Lat.: | 0.80 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB | None | Roll: | 0.73 | Long.: | -10.34 | Long.: | -0.44 | No occupant compartment deform. | High | ||||||||
| Pitch: | -1.20 | Lat.: | 0.34 | Lat.: | -0.42 | ||||||||||||||
| 25 | Fracture at base of TB | None | Roll: | -5.05 | Long.: | -18.49 | Long.: | -1.58 | No occupant compartment deform. | low | |||||||||
| Pitch: | -0.87 | Lat.: | 0.53 | Lat.: | -1.90 | ||||||||||||||
| MASH 3-61 | Left 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 1.91 | Long.: | -13.21 | Long.: | 0.84 | No occupant compartment deform. | High | |||||||
| Pitch: | -1.42 | Lat.: | 0.13 | Lat.: | 1.06 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 2.77 | Long.: | -12.99 | Long.: | -0.63 | No occupant compartment deform. | High | |||||||||
| Pitch: | -2.33 | Lat.: | 0.32 | Lat.: | 0.98 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -1.23 | Long.: | -13.58 | Long.: | -0.81 | No occupant compartment deform. | High | ||||||||
| Pitch: | -3.25 | Lat.: | 0.21 | Lat.: | 0.74 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 2.02 | Long.: | -13.49 | Long.: | -1.12 | No occupant compartment deform. | High | |||||||||
| Pitch: | -3.36 | Lat.: | 0.29 | Lat.: | -0.91 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -1.51 | Long.: | -12.89 | Long.: | -0.72 | No occupant compartment deform. | High | ||||||||
| Pitch: | -1.34 | Lat.: | -0.36 | Lat.: | -0.75 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -3.16 | Long.: | -13.60 | Long.: | -0.86 | No occupant compartment deform. | High | |||||||||
| Pitch: | 2.46 | Lat.: | 0.24 | Lat.: | 1.15 | ||||||||||||||
| MASH 3-62 | Left 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -1.23 | Long.: | -6.32 | Long.: | -0.37 | No occupant compartment deform. | High | |||||||
| Pitch: | -3.73 | Lat.: | 1.11 | Lat.: | 0.74 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -2.03 | Long.: | -6.78 | Long.: | -0.72 | No occupant compartment deform. | High | |||||||||
| Pitch: | 3.12 | Lat.: | 0.14 | Lat.: | 1.31 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -1.75 | Long.: | -7.55 | Long.: | -0.35 | No occupant compartment deform. | High | ||||||||
| Pitch: | 5.75 | Lat.: | -0.21 | Lat.: | 0.52 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -1.12 | Long.: | -7.59 | Long.: | -0.28 | No occupant compartment deform. | High | |||||||||
| Pitch: | -1.33 | Lat.: | -0.23 | Lat.: | 0.75 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -0.96 | Long.: | -6.55 | Long.: | -0.62 | No occupant compartment deform. | High | ||||||||
| Pitch: | 5.47 | Lat.: | -0.21 | Lat.: | -1.05 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 6.40 | Long.: | -6.45 | Long.: | -0.53 | No occupant compartment deform. | High | |||||||||
| Pitch: | 1.52 | Lat.: | -0.84 | Lat.: | -0.96 | ||||||||||||||
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Table 0-30. Detailed Simulation Results – Steel Luminaire Pole with TB1-17 Frangible Base – Case No. 2A-40-11ga
| Pole | Height [ft] | Pole Dimensions | Mast Arm | Transformer Base | Pole Thickness | Weight [lb] | MASH Desig. | Impact Location | Impact Angle (Degree) | Pole Failure Mechanism | Occupant Compartment Deformation | Max. Roll and Pitch Angle (Degree) [Max: 75°] | OIV [ft/s] [P: 10ft/s; Max: 16 ft/s] | Ridedown Acceleration [P: 15g; Max:20.49g] | Simulation Results | Potential to Pass MASH | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2A-40 | 40′ | 10″ Base | Single 15′ | TB1-17 | 11 ga | 529 lb | MASH 3-60 | Left 1/4 | 0 | Fracture at base of TB; Pole fell on tvehicle side | None | Roll: | 0.49 | Long.: | -10.40 | Long.: | -0.31 | No occupant compartment deform. | High |
| Pitch: | -1.37 | Lat.: | -0.34 | Lat.: | 0.50 | ||||||||||||||
| 25 | Fracture at base of TB; | Left C-pillar: 1.94 in. | Roll: | 0.77 | Long.: | -14.77 | Long.: | -0.86 | Max C-pillar def.: 1.94 in. | Medium | |||||||||
| Pitch: | -0.74 | Lat.: | -1.01 | Lat.: | 0.84 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole fell off to the roof | Roof: 3.68 in. | Roll: | 0.36 | Long.: | -12.78 | Long.: | 0.77 | Roof: 3.68 in. | Medium | ||||||||
| Pitch: | -0.61 | Lat.: | 0.10 | Lat.: | 0.75 | ||||||||||||||
| 25 | Fracture at base of TB; Pole fell off to the roof | Roof: 5.03 in. | Roll: | 0.47 | Long.: | -12.43 | Long.: | 0.47 | Max Roof def.: 5.06 in. | low | |||||||||
| Pitch: | -0.93 | Lat.: | -0.02 | Lat.: | 0.57 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB; Pole fell on tvehicle side | None | Roll: | 0.96 | Long.: | -10.34 | Long.: | -0.81 | No occupant compartment deform. | High | ||||||||
| Pitch: | -1.15 | Lat.: | 0.33 | Lat.: | -1.15 | ||||||||||||||
| 25 | Fracture at base of TB; Pole fell on tvehicle side | None | Roll: | -1.59 | Long.: | -13.77 | Long.: | -0.96 | No occupant compartment deform. | High | |||||||||
| Pitch: | -1.13 | Lat.: | 2.08 | Lat.: | 1.04 | ||||||||||||||
| MASH 3-61 | Left 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 2.74 | Long.: | -12.76 | Long.: | 0.60 | No occupant compartment deform. | High | |||||||
| Pitch: | -2.50 | Lat.: | 0.05 | Lat.: | 1.02 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 2.18 | Long.: | -13.69 | Long.: | -0.74 | No occupant compartment deform. | High | |||||||||
| Pitch: | 2.13 | Lat.: | 0.21 | Lat.: | 1.12 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 0.47 | Long.: | -13.33 | Long.: | -0.88 | No occupant compartment deform. | High | ||||||||
| Pitch: | -2.55 | Lat.: | 0.33 | Lat.: | 1.27 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -1.58 | Long.: | -13.28 | Long.: | -0.91 | No occupant compartment deform. | High | |||||||||
| Pitch: | -2.69 | Lat.: | 0.67 | Lat.: | -0.61 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -3.16 | Long.: | -13.00 | Long.: | -0.83 | No occupant compartment deform. | High | ||||||||
| Pitch: | -2.14 | Lat.: | -0.57 | Lat.: | -0.92 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 4.21 | Long.: | -13.39 | Long.: | -0.79 | No occupant compartment deform. | High | |||||||||
| Pitch: | 1.23 | Lat.: | 0.44 | Lat.: | -1.03 | ||||||||||||||
| MASH 3-62 | Left 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -1.12 | Long.: | -6.27 | Long.: | -0.44 | No occupant compartment deform. | High | |||||||
| Pitch: | 2.76 | Lat.: | 1.17 | Lat.: | 0.75 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -1.09 | Long.: | -6.48 | Long.: | -0.55 | No occupant compartment deform. | High | |||||||||
| Pitch: | -2.44 | Lat.: | 1.09 | Lat.: | 0.83 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 2.13 | Long.: | -7.40 | Long.: | -0.47 | No occupant compartment deform. | High | ||||||||
| Pitch: | 6.11 | Lat.: | -0.11 | Lat.: | 0.58 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 1.58 | Long.: | -7.33 | Long.: | -0.44 | No occupant compartment deform. | High | |||||||||
| Pitch: | 4.79 | Lat.: | -0.24 | Lat.: | 0.62 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -1.05 | Long.: | -6.46 | Long.: | -0.35 | No occupant compartment deform. | High | ||||||||
| Pitch: | 3.73 | Lat.: | -1.02 | Lat.: | -1.04 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 0.84 | Long.: | -6.33 | Long.: | -0.55 | No occupant compartment deform. | High | |||||||||
| Pitch: | 1.05 | Lat.: | -1.06 | Lat.: | -1.04 | ||||||||||||||
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Table 0-31. Detailed Simulation Results – Steel Luminaire Pole with TB1-17 Frangible Base – Case No. 2A-93-11ga
| Pole | Height [ft] | Pole Dimensions | Mast Arm | Transformer Base | Pole Thickness | Weight [lb] | MASH Desig. | Impact Location | Impact Angle (Degree) | Pole Failure Mechanism | Occupant Compartment Deformation | Max. Roll and Pitch Angle (Degree) [Max: 75°] | OIV [ft/s] [P: 10ft/s; Max: 16 ft/s] | Ridedown Acceleration [P: 15g; Max:20.49g] | Simulation Results | Potential to Pass MASH | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2A-93 | 40′ | 10″ Base | Dual 15′ | TB1-17 | 11 ga | 691 lb | MASH 3-60 | Left 1/4 | 0 | Fracture at base of TB | None | Roll: | 0.59 | Long.: | -10.16 | Long.: | -0.47 | No occupant compartment deform. | High |
| Pitch: | -1.45 | Lat.: | -0.17 | Lat.: | 0.73 | ||||||||||||||
| 25 | Fracture at base of TB | None | Roll: | 0.80 | Long.: | -17.09 | Long.: | -0.82 | No occupant compartment deform. | low | |||||||||
| Pitch: | -1.54 | Lat.: | -1.41 | Lat.: | 0.74 | ||||||||||||||
| Center | 0 | Fracture at base of TB | Roof: 3.44 in. | Roll: | 0.32 | Long.: | -12.75 | Long.: | 0.73 | Roof: 3.44 in. | Medium | ||||||||
| Pitch: | -0.72 | Lat.: | 0.08 | Lat.: | 0.61 | ||||||||||||||
| 25 | Fracture at base of TB | Right C-pillar: 1.86 in. | Roll: | 0.57 | Long.: | -12.28 | Long.: | -0.61 | Right C-pillar: 1.86 in. | Medium | |||||||||
| Pitch: | -1.12 | Lat.: | 0.15 | Lat.: | 0.62 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB | None | Roll: | 0.93 | Long.: | -10.68 | Long.: | -1.25 | No occupant compartment deform. | High | ||||||||
| Pitch: | -1.32 | Lat.: | 0.40 | Lat.: | 1.17 | ||||||||||||||
| 25 | Fracture at base of TB | None | Roll: | -4.84 | Long.: | -18.07 | Long.: | -0.86 | No occupant compartment deform. | low | |||||||||
| Pitch: | -0.81 | Lat.: | 0.40 | Lat.: | -1.72 | ||||||||||||||
| MASH 3-61 | Left 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 1.43 | Long.: | -13.50 | Long.: | 0.74 | No occupant compartment deform. | High | |||||||
| Pitch: | -1.27 | Lat.: | -0.06 | Lat.: | 1.05 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 2.71 | Long.: | -13.99 | Long.: | 0.65 | No occupant compartment deform. | High | |||||||||
| Pitch: | -1.68 | Lat.: | 0.57 | Lat.: | 0.88 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 0.83 | Long.: | -13.64 | Long.: | -0.89 | No occupant compartment deform. | High | ||||||||
| Pitch: | -3.46 | Lat.: | -0.02 | Lat.: | -0.94 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 0.90 | Long.: | -13.55 | Long.: | -1.59 | No occupant compartment deform. | High | |||||||||
| Pitch: | -3.63 | Lat.: | 0.03 | Lat.: | 1.22 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -1.63 | Long.: | -13.15 | Long.: | -0.93 | No occupant compartment deform. | High | ||||||||
| Pitch: | 4.45 | Lat.: | -0.33 | Lat.: | 1.16 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -2.43 | Long.: | -13.40 | Long.: | -0.79 | No occupant compartment deform. | High | |||||||||
| Pitch: | 3.41 | Lat.: | 0.67 | Lat.: | -1.28 | ||||||||||||||
| MASH 3-62 | Left 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 2.18 | Long.: | -6.36 | Long.: | -0.49 | No occupant compartment deform. | High | |||||||
| Pitch: | -1.60 | Lat.: | 0.95 | Lat.: | 0.88 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -2.48 | Long.: | -6.79 | Long.: | -1.88 | No occupant compartment deform. | High | |||||||||
| Pitch: | -2.05 | Lat.: | 0.78 | Lat.: | -1.33 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -2.29 | Long.: | -7.57 | Long.: | -0.42 | No occupant compartment deform. | High | ||||||||
| Pitch: | 1.39 | Lat.: | -0.21 | Lat.: | 0.52 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -2.46 | Long.: | -7.70 | Long.: | -0.40 | No occupant compartment deform. | High | |||||||||
| Pitch: | -1.55 | Lat.: | -0.31 | Lat.: | 0.77 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -1.08 | Long.: | -6.67 | Long.: | -0.70 | No occupant compartment deform. | High | ||||||||
| Pitch: | 6.03 | Lat.: | -0.70 | Lat.: | -1.14 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 1.82 | Long.: | -6.46 | Long.: | -0.58 | No occupant compartment deform. | High | |||||||||
| Pitch: | 4.22 | Lat.: | -1.02 | Lat.: | -1.02 | ||||||||||||||
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Table 0-32. Detailed Simulation Results – Steel Luminaire Pole with TB1-17 Frangible Base – Case No. 2A-41-11ga
| Pole | Height [ft] | Pole Dimensions | Mast Arm | Transformer Base | Pole Thickness | Weight [lb] | MASH Desig. | Impact Location | Impact Angle (Degree) | Pole Failure Mechanism | Occupant Compartment Deformation | Max. Roll and Pitch Angle (Degree) [Max: 75°] | OIV [ft/s] [P: 10ft/s; Max: 16 ft/s] | Ridedown Acceleration [P: 15g; Max:20.49g] | Simulation Results | Potential to Pass MASH | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2A-41 | 40′ | 10″ Base | Single 20′ | TB1-17 | 11 ga | 594 lb | MASH 3-60 | Left 1/4 | 0 | Fracture at base of TB; Pole fell on tvehicle side | None | Roll: | 0.56 | Long.: | -10.30 | Long.: | -0.38 | No occupant compartment deform. | High |
| Pitch: | -1.20 | Lat.: | -0.12 | Lat.: | 0.50 | ||||||||||||||
| 25 | Fracture at base of TB; | Left C-pillar: 1.68 in. | Roll: | 0.84 | Long.: | -15.00 | Long.: | -0.82 | Max C-pillar def.: 1.68 in. | Medium | |||||||||
| Pitch: | -0.94 | Lat.: | -0.93 | Lat.: | 0.73 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole fell off to roof | Roof: 1.7 in. | Roll: | 0.39 | Long.: | -13.06 | Long.: | -0.64 | Roof: 1.7 in. | Medium | ||||||||
| Pitch: | -0.55 | Lat.: | 0.09 | Lat.: | 0.69 | ||||||||||||||
| 25 | Fracture at base of TB; Pole fell off to roof | Roof: 4.82 in. windshields damaged | Roll: | 0.43 | Long.: | -12.12 | Long.: | -0.55 | Max Roof def.: 4.82 in.; | low | |||||||||
| Pitch: | -0.88 | Lat.: | 0.18 | Lat.: | -0.51 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB; Pole fell on tvehicle side | None | Roll: | 1.11 | Long.: | -10.90 | Long.: | -0.78 | No occupant compartment deform. | High | ||||||||
| Pitch: | -1.10 | Lat.: | 0.42 | Lat.: | -0.86 | ||||||||||||||
| 25 | Fracture at base of TB; Pole fell on tvehicle side | None | Roll: | -1.51 | Long.: | -13.96 | Long.: | -0.96 | No occupant compartment deform. | High | |||||||||
| Pitch: | -1.16 | Lat.: | 2.23 | Lat.: | 0.90 | ||||||||||||||
| MASH 3-61 | Left 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 1.76 | Long.: | -12.91 | Long.: | 0.82 | No occupant compartment deform. | High | |||||||
| Pitch: | 2.49 | Lat.: | -0.12 | Lat.: | -1.03 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 2.62 | Long.: | -13.75 | Long.: | -0.59 | No occupant compartment deform. | High | |||||||||
| Pitch: | -1.51 | Lat.: | 0.37 | Lat.: | -0.93 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 2.11 | Long.: | -13.45 | Long.: | -0.81 | No occupant compartment deform. | High | ||||||||
| Pitch: | -2.73 | Lat.: | 0.38 | Lat.: | -0.75 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 0.86 | Long.: | -13.40 | Long.: | -1.23 | No occupant compartment deform. | High | |||||||||
| Pitch: | -3.13 | Lat.: | 0.56 | Lat.: | 0.85 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -2.24 | Long.: | -12.83 | Long.: | -1.26 | No occupant compartment deform. | High | ||||||||
| Pitch: | -1.93 | Lat.: | -0.39 | Lat.: | 1.27 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -2.32 | Long.: | -13.39 | Long.: | -0.81 | No occupant compartment deform. | High | |||||||||
| Pitch: | -3.92 | Lat.: | 0.45 | Lat.: | 1.59 | ||||||||||||||
| MASH 3-62 | Left 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 3.18 | Long.: | -6.25 | Long.: | -0.38 | No occupant compartment deform. | High | |||||||
| Pitch: | 1.62 | Lat.: | 1.23 | Lat.: | 0.84 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -4.11 | Long.: | -6.65 | Long.: | -0.58 | No occupant compartment deform. | High | |||||||||
| Pitch: | -1.71 | Lat.: | 0.92 | Lat.: | 1.03 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 1.88 | Long.: | -7.42 | Long.: | -0.44 | No occupant compartment deform. | High | ||||||||
| Pitch: | 5.45 | Lat.: | -0.11 | Lat.: | 0.47 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -1.07 | Long.: | -7.46 | Long.: | -0.40 | No occupant compartment deform. | High | |||||||||
| Pitch: | 1.68 | Lat.: | -0.29 | Lat.: | 0.63 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -2.70 | Long.: | -6.53 | Long.: | -0.38 | No occupant compartment deform. | High | ||||||||
| Pitch: | 8.80 | Lat.: | -1.09 | Lat.: | -0.91 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 2.30 | Long.: | -6.52 | Long.: | -0.59 | No occupant compartment deform. | High | |||||||||
| Pitch: | 1.87 | Lat.: | -0.83 | Lat.: | -1.00 | ||||||||||||||
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Table 0-33. Detailed Simulation Results – Steel Luminaire Pole with TB1-17 Frangible Base – Case No. 2A-94-11ga
| Pole | Height [ft] | Pole Dimensions | Mast Arm | Transformer Base | Pole Thickness | Weight [lb] | MASH Desig. | Impact Location | Impact Angle (Degree) | Pole Failure Mechanism | Occupant Compartment Deformation | Max. Roll and Pitch Angle (Degree) [Max: 75°] | OIV [ft/s] [P: 10ft/s; Max: 16 ft/s] | Ridedown Acceleration [P: 15g; Max:20.49g] | Simulation Results | Potential to Pass MASH | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2A-94 | 40′ | 10″ Base | Dual 20′ | TB1-17 | 11 ga | 820 lb | MASH 3-60 | Left 1/4 | 0 | Fracture at base of TB; | None | Roll: | 0.69 | Long.: | -10.18 | Long.: | -0.54 | No occupant compartment deform. | High |
| Pitch: | -1.42 | Lat.: | -0.21 | Lat.: | 0.73 | ||||||||||||||
| 25 | Fracture at base of TB; | None | Roll: | 0.96 | Long.: | -15.92 | Long.: | -0.83 | No occupant compartment deform. | Medium | |||||||||
| Pitch: | -1.59 | Lat.: | -1.24 | Lat.: | 0.84 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole fell off to roof | Roof: 1.68 in. | Roll: | 0.33 | Long.: | -12.91 | Long.: | 0.78 | No occupant compartment deform. | Medium | ||||||||
| Pitch: | -0.56 | Lat.: | 0.02 | Lat.: | 0.55 | ||||||||||||||
| 25 | Fracture at base of TB; Pole fell off to roof | Roof: 1.88 in. | Roll: | 0.35 | Long.: | -12.57 | Long.: | -0.75 | Max Roof def.: 1.88 in. | Medium | |||||||||
| Pitch: | -0.89 | Lat.: | -0.20 | Lat.: | -0.57 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB; | None | Roll: | 0.77 | Long.: | -10.41 | Long.: | -0.92 | No occupant compartment deform. | High | ||||||||
| Pitch: | -1.14 | Lat.: | 0.18 | Lat.: | -0.97 | ||||||||||||||
| 25 | Fracture at base of TB; | None | Roll: | -4.94 | Long.: | -18.17 | Long.: | -1.30 | No occupant compartment deform. | low | |||||||||
| Pitch: | -0.65 | Lat.: | 0.64 | Lat.: | 1.38 | ||||||||||||||
| MASH 3-61 | Left 1/4 | 0 | Fracture at Base of TB; Pole passed over vehicle | None | Roll: | 1.98 | Long.: | -13.39 | Long.: | 0.57 | No occupant compartment deform. | High | |||||||
| Pitch: | -1.66 | Lat.: | -0.08 | Lat.: | 1.22 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 2.79 | Long.: | -14.13 | Long.: | -1.08 | No occupant compartment deform. | Medium | |||||||||
| Pitch: | -2.10 | Lat.: | 0.53 | Lat.: | 1.21 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 4.03 | Long.: | -13.84 | Long.: | -1.37 | No occupant compartment deform. | High | ||||||||
| Pitch: | -5.76 | Lat.: | 0.17 | Lat.: | 0.91 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 1.40 | Long.: | -13.72 | Long.: | -1.62 | No occupant compartment deform. | High | |||||||||
| Pitch: | 5.45 | Lat.: | 0.64 | Lat.: | -0.81 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -4.34 | Long.: | -13.36 | Long.: | -1.35 | No occupant compartment deform. | High | ||||||||
| Pitch: | -4.95 | Lat.: | -0.87 | Lat.: | -1.49 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -2.99 | Long.: | -13.36 | Long.: | -0.52 | No occupant compartment deform. | High | |||||||||
| Pitch: | -1.18 | Lat.: | 0.74 | Lat.: | -1.32 | ||||||||||||||
| MASH 3-62 | Left 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -1.90 | Long.: | -6.55 | Long.: | -0.38 | No occupant compartment deform. | High | |||||||
| Pitch: | 2.73 | Lat.: | 0.26 | Lat.: | 1.05 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -4.96 | Long.: | -6.67 | Long.: | -0.56 | No occupant compartment deform. | High | |||||||||
| Pitch: | -3.03 | Lat.: | 0.49 | Lat.: | 1.01 | ||||||||||||||
| Center | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -1.02 | Long.: | -7.61 | Long.: | -0.53 | No occupant compartment deform | High | ||||||||
| Pitch: | -1.65 | Lat.: | -0.24 | Lat.: | 0.68 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | -3.97 | Long.: | -7.72 | Long.: | -0.36 | No occupant compartment deform. | High | |||||||||
| Pitch: | 2.11 | Lat.: | -0.36 | Lat.: | -0.65 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 1.96 | Long.: | -6.59 | Long.: | -0.77 | No occupant compartment deform. | High | ||||||||
| Pitch: | 4.56 | Lat.: | -0.11 | Lat.: | -1.14 | ||||||||||||||
| 25 | Fracture at base of TB; Pole passed over vehicle | None | Roll: | 3.10 | Long.: | -6.58 | Long.: | -0.42 | No occupant compartment deform. | High | |||||||||
| Pitch: | 3.93 | Lat.: | -0.89 | Lat.: | -0.93 | ||||||||||||||
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Table 0-34. Detailed Simulation Results – Steel Luminaire Pole with TB1-17 Frangible Base – Case No. 2A-35-7ga
| Pole | Height [ft] | Pole Dimensions | Mast Arm | Transformer Base | Pole Thickness | Weight [lb] | MASH Desig. | Impact Location | Impact Angle (Degree) | Pole Failure Mechanism | Occupant Compartment Deformation | Max. Roll and Pitch Angle (Degree) [Max: 75°] | OIV [ft/s] [P: 10ft/s; Max: 16 ft/s] | Ridedown Acceleration [P: 15g; Max:20.49g] | Simulation Results | Potential to Pass MASH | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2A-35 | 40′ | 10″ Base | Single 4′ | TB1-17 | 7ga | 694 lb | MASH 3-60 | Left 1/4 | 0 | Fracture at base of TB | None | Roll: | -0.51 | Long.: | -11.04 | Long.: | -0.57 | No occupant compartment deform. | High |
| Pitch: | -1.38 | Lat.: | -0.36 | Lat.: | 0.86 | ||||||||||||||
| 25 | Fracture at base of TB | None | Roll: | 1.10 | Long.: | -17.36 | Long.: | -0.77 | No occupant compartment deform. | low | |||||||||
| Pitch: | -1.11 | Lat.: | -1.33 | Lat.: | 0.63 | ||||||||||||||
| Center | 0 | Fracture at base of TB | Roof: 5.4 in. | Roll: | 0.37 | Long.: | -13.70 | Long.: | 0.59 | Roof: 5.4 in. | low | ||||||||
| Pitch: | -0.51 | Lat.: | 0.18 | Lat.: | -0.58 | ||||||||||||||
| 25 | Fracture at base of TB | Roof: 3.47 in. | Roll: | 0.40 | Long.: | -12.47 | Long.: | 0.72 | Roof: 3.47 in. | Medium | |||||||||
| Pitch: | -0.86 | Lat.: | 0.20 | Lat.: | -0.69 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB | None | Roll: | 1.11 | Long.: | -11.11 | Long.: | -0.69 | No occupant compartment deform. | High | ||||||||
| Pitch: | -0.95 | Lat.: | 0.52 | Lat.: | -0.89 | ||||||||||||||
| 25 | Fracture at base of TB | None | Roll: | -1.42 | Long.: | -15.51 | Long.: | -1.20 | No occupant compartment deform. | Medium | |||||||||
| Pitch: | -1.05 | Lat.: | 2.87 | Lat.: | -1.42 | ||||||||||||||
| MASH 3-61 | Center | 0 | Fracture at base of TB | None | Roll: | 1.83 | Long.: | -15.73 | Long.: | -0.80 | No occupant compartment deform. | Medium | |||||||
| Pitch: | -3.61 | Lat.: | 0.91 | Lat.: | 0.86 | ||||||||||||||
| 25 | Fracture at base of TB | None | Roll: | 0.90 | Long.: | -15.72 | Long.: | 0.96 | No occupant compartment deform. | Medium | |||||||||
| Pitch: | -4.03 | Lat.: | 0.57 | Lat.: | 1.03 | ||||||||||||||
| MASH 3-62 | Center | 0 | Fracture at base of TB | None | Roll: | -1.60 | Long.: | -9.00 | Long.: | 0.76 | No occupant compartment deform. | High | |||||||
| Pitch: | -1.90 | Lat.: | 0.33 | Lat.: | -0.97 | ||||||||||||||
| 25 | Fracture at base of TB | None | Roll: | -4.35 | Long.: | -8.62 | Long.: | 0.57 | No occupant compartment deform. | High | |||||||||
| Pitch: | 2.11 | Lat.: | 0.14 | Lat.: | -0.76 | ||||||||||||||
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Table 0-35. Detailed Simulation Results – Steel Luminaire Pole with TB1-17 Frangible Base – Case No. 2A-88-7ga
| Pole | Height [ft] | Pole Dimensions | Mast Arm | Transformer Base | Pole Thickness | Weight [lb] | MASH Desig. | Impact Location | Impact Angle (Degree) | Pole Failure Mechanism | Occupant Compartment Deformation | Max. Roll and Pitch Angle (Degree) [Max: 75°] | OIV [ft/s] [P: 10ft/s; Max: 16 ft/s] | Ridedown Acceleration [P: 15g; Max:20.49g] | Simulation Results | Potential to Pass MASH | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2A-88 | 40′ | 10″ Base | Dual 4′ | TB1-17 | 7 ga | 809 lb | MASH 3-60 | Center | 0 | Fracture at base of TB | Roof: 7.11 in. | Roll: | 0.33 | Long.: | -13.35 | Long.: | -0.88 | Roof: 7.11 in. | low |
| Pitch: | -0.59 | Lat.: | 0.04 | Lat.: | 0.60 | ||||||||||||||
| 25 | Fracture at base of TB | Roof: 3.26 in. | Roll: | 0.36 | Long.: | -12.38 | Long.: | -0.56 | Roof: 3.26 in. | Medium | |||||||||
| Pitch: | -0.88 | Lat.: | 0.05 | Lat.: | -0.48 | ||||||||||||||
| MASH 3-61 | Center | 0 | Fracture at base of TB | None | Roll: | 0.82 | Long.: | -15.85 | Long.: | 1.22 | No occupant compartment deform. | Medium | |||||||
| Pitch: | -4.30 | Lat.: | 0.13 | Lat.: | 0.81 | ||||||||||||||
| 25 | Fracture at base of TB | None | Roll: | 3.28 | Long.: | -15.78 | Long.: | -0.87 | No occupant compartment deform. | Medium | |||||||||
| Pitch: | -4.01 | Lat.: | 0.09 | Lat.: | 0.81 | ||||||||||||||
| MASH 3-62 | Center | 0 | Fracture at base of TB | None | Roll: | 1.93 | Long.: | -9.07 | Long.: | 0.93 | No occupant compartment deform. | High | |||||||
| Pitch: | -16.77 | Lat.: | 0.19 | Lat.: | -0.85 | ||||||||||||||
| 25 | Fracture at base of TB | None | Roll: | -1.62 | Long.: | -8.89 | Long.: | -0.65 | No occupant compartment deform. | High | |||||||||
| Pitch: | -1.87 | Lat.: | 0.14 | Lat.: | -0.88 | ||||||||||||||
Table 0-36. Detailed Simulation Results – Steel Luminaire Pole with TB1-17 Frangible Base – Case No. 2A-40-7ga
| Pole | Height [ft] | Pole Dimensions | Mast Arm | Transformer Base | Pole Thickness | Weight [lb] | MASH Desig. | Impact Location | Impact Angle (Degree) | Pole Failure Mechanism | Occupant Compartment Deformation | Max. Roll and Pitch Angle (Degree) [Max: 75°] | OIV [ft/s] [P: 10ft/s; Max: 16 ft/s] | Ridedown Acceleration [P: 15g; Max:20.49g] | Simulation Results | Potential to Pass MASH | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2A-40 | 40′ | 10″ Base | Single 15′ | TB1-17 | 7 ga | 740 lb | MASH 3-60 | Center | 0 | Fracture at base of TB | Roof: 6.5 in. | Roll: | 0.35 | Long.: | -13.29 | Long.: | -0.70 | Roof: 6.5 in. | low |
| Pitch: | -0.39 | Lat.: | 0.12 | Lat.: | 0.68 | ||||||||||||||
| 25 | Fracture at base of TB | Roof: 6.2 in. | Roll: | 0.37 | Long.: | -12.71 | Long.: | 0.75 | Roof: 6.2 in. | low | |||||||||
| Pitch: | -0.93 | Lat.: | -0.26 | Lat.: | -0.57 | ||||||||||||||
| MASH 3-61 | Center | 0 | Fracture at base of TB | None | Roll: | 1.02 | Long.: | -15.61 | Long.: | -0.78 | No occupant compartment deform. | Medium | |||||||
| Pitch: | -3.54 | Lat.: | 0.59 | Lat.: | 0.86 | ||||||||||||||
| 25 | Fracture at base of TB | None | Roll: | -1.64 | Long.: | -15.50 | Long.: | 1.00 | No occupant compartment deform. | Medium | |||||||||
| Pitch: | -3.41 | Lat.: | 0.41 | Lat.: | 0.86 | ||||||||||||||
| MASH 3-62 | Center | 0 | Fracture at base of TB | None | Roll: | -3.14 | Long.: | -8.75 | Long.: | -0.67 | No occupant compartment deform. | High | |||||||
| Pitch: | -7.50 | Lat.: | 0.45 | Lat.: | -0.91 | ||||||||||||||
| 25 | Fracture at base of TB | None | Roll: | -1.43 | Long.: | -8.80 | Long.: | 0.37 | No occupant compartment deform. | High | |||||||||
| Pitch: | 2.72 | Lat.: | -0.39 | Lat.: | -0.94 | ||||||||||||||
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Table 0-37. Detailed Simulation Results – Steel Luminaire Pole with TB1-17 Frangible Base – Case No. 2A-93-7ga
| Pole | Height [ft] | Pole Dimensions | Mast Arm | Transformer Base | Pole Thickness | Weight [lb] | MASH Desig. | Impact Location | Impact Angle (Degree) | Pole Failure Mechanism | Occupant Compartment Deformation | Max. Roll and Pitch Angle (Degree) [Max: 75°] | OIV [ft/s] [P: 10ft/s; Max: 16 ft/s] | Ridedown Acceleration [P: 15g; Max:20.49g] | Simulation Results | Potential to Pass MASH | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2A-93 | 40′ | 10″ Base | Dual 15′ | TB1-17 | 7 ga | 75 lb | MASH 3-60 | Center | 0 | Fracture at base of TB | Roof: 3.27 in. | Roll: | 0.34 | Long.: | -13.88 | Long.: | -0.74 | Roof: 3.27 in. | Medium |
| Pitch: | -0.58 | Lat.: | -0.01 | Lat.: | 0.60 | ||||||||||||||
| 25 | Fracture at base of TB | None | Roll: | 0.62 | Long.: | -12.84 | Long.: | -0.98 | No occupant compartment deform. | High | |||||||||
| Pitch: | -0.94 | Lat.: | -0.24 | Lat.: | 0.74 | ||||||||||||||
| MASH 3-61 | Center | 0 | Fracture at base of TB | None | Roll: | 0.66 | Long.: | -16.06 | Long.: | -1.06 | No occupant compartment deform. | low | |||||||
| Pitch: | -4.69 | Lat.: | 0.13 | Lat.: | 1.00 | ||||||||||||||
| 25 | Fracture at base of TB | None | Roll: | 0.93 | Long.: | -15.90 | Long.: | -1.47 | No occupant compartment deform. | Medium | |||||||||
| Pitch: | -4.53 | Lat.: | 0.23 | Lat.: | 0.99 | ||||||||||||||
| MASH 3-62 | Center | 0 | Fracture at base of TB | None | Roll: | -1.14 | Long.: | -9.20 | Long.: | 1.41 | No occupant compartment deform. | High | |||||||
| Pitch: | -15.92 | Lat.: | 0.22 | Lat.: | 0.91 | ||||||||||||||
| 25 | Fracture at base of TB | None | Roll: | -1.55 | Long.: | -8.91 | Long.: | -0.64 | No occupant compartment deform. | High | |||||||||
| Pitch: | -8.95 | Lat.: | 0.09 | Lat.: | -1.00 | ||||||||||||||
Table 0-38. Detailed Simulation Results – Steel Luminaire Pole with TB1-17 Frangible Base – Case No. 2A-41-7ga
| Pole | Height [ft] | Pole Dimensions | Mast Arm | Transformer Base | Pole Thickness | Weight [lb] | MASH Desig. | Impact Location | Impact Angle (Degree) | Pole Failure Mechanism | Occupant Compartment Deformation | Max. Roll and Pitch Angle (Degree) [Max: 75°] | OIV [ft/s] [P: 10ft/s; Max: 16 ft/s] | Ridedown Acceleration [P: 15g; Max:20.49g] | Simulation Results | Potential to Pass MASH | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2A-41 | 40′ | 10″ Base | Single 20′ | TB1-17 | 7 ga | 804 lb | MASH 3-60 | Center | 0 | Fracture at base of TB | Roof: 1.96 in. | Roll: | 0.37 | Long.: | -13.46 | Long.: | 0.54 | Roof: 1.96 in. | Medium |
| Pitch: | -0.52 | Lat.: | 0.11 | Lat.: | 0.72 | ||||||||||||||
| 25 | Fracture at base of TB | Roof: 2.65 in. | Roll: | 0.67 | Long.: | -12.53 | Long.: | 0.87 | Roof: 2.65 in. | Medium | |||||||||
| Pitch: | -0.91 | Lat.: | 0.14 | Lat.: | 0.60 | ||||||||||||||
| MASH 3-61 | Center | 0 | Fracture at base of TB | None | Roll: | 0.88 | Long.: | -15.78 | Long.: | -0.74 | No occupant compartment deform. | Medium | |||||||
| Pitch: | -3.43 | Lat.: | 0.45 | Lat.: | 0.79 | ||||||||||||||
| 25 | Fracture at base of TB | None | Roll: | 1.36 | Long.: | -16.07 | Long.: | 1.35 | No occupant compartment deform. | low | |||||||||
| Pitch: | -4.23 | Lat.: | 0.63 | Lat.: | 1.01 | ||||||||||||||
| MASH 3-62 | Center | 0 | Fracture at base of TB | None | Roll: | 2.79 | Long.: | -9.04 | Long.: | -0.59 | No occupant compartment deform. | High | |||||||
| Pitch: | -4.01 | Lat.: | -0.09 | Lat.: | -0.83 | ||||||||||||||
| 25 | Fracture at base of TB | None | Roll: | -1.70 | Long.: | -8.79 | Long.: | -0.61 | No occupant compartment deform. | High | |||||||||
| Pitch: | -7.88 | Lat.: | -0.08 | Lat.: | 0.83 | ||||||||||||||
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Table 0-39. Detailed Simulation Results – Steel Luminaire Pole with TB1-17 Frangible Base – Case No. 2A-94-7ga
| Pole | Height [ft] | Pole Dimensions | Mast Arm | Transformer Base | Pole Thickness | Weight [lb] | MASH Desig. | Impact Location | Impact Angle (Degree) | Pole Failure Mechanism | Occupant Compartment Deformation | Max. Roll and Pitch Angle (Degree) [Max: 75°] | OIV [ft/s] [P: 10ft/s; Max: 16 ft/s] | Ridedown Acceleration [P: 15g; Max:20.49g] | Simulation Results | Potential to Pass MASH | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2A-94 | 40′ | 10″ Base | Dual 20′ | TB1-17 | 7 ga | 1,031 lb | MASH 3-60 | Left 1/4 | 0 | Fracture at base of TB | None | Roll: | 1.65 | Long.: | -14.08 | Long.: | -1.04 | No occupant compartment deform. | Medium |
| Pitch: | -1.40 | Lat.: | -1.53 | Lat.: | 1.17 | ||||||||||||||
| 25 | Fracture at base of TB | None | Roll: | 0.97 | Long.: | -17.63 | Long.: | -1.56 | No occupant compartment deform. | low | |||||||||
| Pitch: | -1.52 | Lat.: | -1.65 | Lat.: | 1.48 | ||||||||||||||
| Center | 0 | Fracture at base of TB | Roof: 3.31 in. | Roll: | 0.34 | Long.: | -14.04 | Long.: | -0.65 | Roof: 3.31 in. | Medium | ||||||||
| Pitch: | -0.49 | Lat.: | 0.14 | Lat.: | 0.63 | ||||||||||||||
| 25 | Fracture at base of TB | C-pillar: 0.9 in. | Roll: | 0.36 | Long.: | -12.85 | Long.: | -0.80 | C-pillar: 0.9 in. | Medium | |||||||||
| Pitch: | -0.94 | Lat.: | -0.48 | Lat.: | 0.74 | ||||||||||||||
| Right 1/4 | 0 | Fracture at base of TB | None | Roll: | 1.16 | Long.: | -11.01 | Long.: | -1.02 | No occupant compartment deform. | High | ||||||||
| Pitch: | -0.88 | Lat.: | 0.46 | Lat.: | -0.69 | ||||||||||||||
| 25 | Fracture at base of TB | None | Roll: | -4.67 | Long.: | -19.93 | Long.: | -3.17 | No occupant compartment deform. | low | |||||||||
| Pitch: | -0.78 | Lat.: | 2.31 | Lat.: | -3.33 | ||||||||||||||
| MASH 3-61 | Center | 0 | Fracture at base of TB | None | Roll: | 0.86 | Long.: | -16.20 | Long.: | 1.74 | No occupant compartment deform. | low | |||||||
| Pitch: | -6.29 | Lat.: | 0.18 | Lat.: | 0.83 | ||||||||||||||
| 25 | Fracture at base of TB | None | Roll: | -1.73 | Long.: | -15.78 | Long.: | -1.04 | No occupant compartment deform. | Medium | |||||||||
| Pitch: | -5.67 | Lat.: | 0.47 | Lat.: | 1.13 | ||||||||||||||
| MASH 3-62 | Center | 0 | Fracture at base of TB | None | Roll: | -6.35 | Long.: | -9.29 | Long.: | -1.77 | No occupant compartment deform. | High | |||||||
| Pitch: | -8.17 | Lat.: | 0.06 | Lat.: | -1.13 | ||||||||||||||
| 25 | Fracture at base of TB | None | Roll: | -1.62 | Long.: | -8.94 | Long.: | -0.52 | No occupant compartment deform. | High | |||||||||
| Pitch: | -2.26 | Lat.: | 0.15 | Lat.: | -0.88 | ||||||||||||||
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
Suggested Citation:
"Appendix K: Detailed Simulation Results Steel Luminaire Pole with TB1-17 Transformer Base." National Academies of Sciences, Engineering, and Medicine. 2024. Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles: Appendices. Washington, DC: The National Academies Press.
doi: 10.17226/27900.
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