| AAS | Alkali-activated slag |
| OPC | Ordinary Portland cement |
| CO2 | Carbon dioxide gas |
| CaCO3 | Calcium carbonate |
| C-S-H | Calcium silicate hydrates |
| C-S-A-H | Calcium silicate aluminate hydrates |
| RH | Relative humidity |
| CSA | Calcium sulfoaluminate |
| CA | Crystalline additive |
| Ca(OH)2 | Calcium hydroxide |
| PVA | Polyvinyl alcohol |
| PE | Polyethylene |
| MICP | Microbial-induced calcite precipitation |
| SEM | Scanning electron microscopy |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.