Use of Supplementary Cementitious Materials for Concrete (2025)
Chapter: Acronyms and Definitions
Acronyms and Definitions
| ACAA |
American Coal Ash Association |
| ASCM |
Alternative supplementary cementitious materials |
| ASR |
Alkali-silica reactivity – Reactivity of alkalis in cement and certain forms of silica in aggregates |
| Bleeding |
Migration of mixture water to the surface after the concrete has been compacted and finished |
| C&D |
Construction and demolition |
| cRCF |
Carbonated recycled concrete aggregate fines |
| Entrained air |
Microscopic air bubbles formed in concrete when an air-entraining admixture is added to the concrete mixture |
| EPDs |
Environmental product declarations |
| GHG |
Greenhouse gas |
| HPC |
High-performance concrete |
| HRM |
High-reactivity metakaolin |
| HVFA |
High-volume fly ash |
| Hydration |
Reaction of cement with water |
| Mass concrete |
Large structural concrete members |
| MSWI |
Municipal solid waste incineration |
| NFM |
Non-ferrous metallurgy |
| NPs |
Natural pozzolans |
| NRRA |
National Road Research Alliance |
| Pozzolan |
Pozzolans are made up of siliceous or siliceous and aluminous materials that, in finely ground form, will react with calcium hydroxide to form cementitious materials. |
| RCA |
Recycled concrete aggregate |
| RHA |
Rice husk ash |
| SAI |
Strength activity index: a measure of the contribution of SCMs to the compressive strength of concrete or mortar |
| SCA |
Slag Cement Association |
| SCMs |
Supplementary cementitious materials |
| SFA |
Silica Fume Association |
| Sulfate attack |
Sulfate from sea water or on the ground in solution attacking alumina and calcium hydroxide in concrete |
| Type IL cement |
ASTM C595 Type IL cement is a Type I or Type I/II cement clinker ground with up to 15% limestone. |
| USGS |
United States Geological Survey |
| w/cm |
Water to cementitious materials ratio |
