Table 1 Chemical compositions of BFS, OPC and BA.
Chemical composition (%) | Blast-furnace slag (BFS) | Ordinary Portland cement (OPC) | Coal bottom ash (BA) |
|---|---|---|---|
CaO | 56.10 | 65.9 | 3.95 |
SiO2 | 21.00 | 10.6 | 50.10 |
Al2O3 | 17.00 | 3.8 | 26.90 |
Fe2O3 | 0.62 | 3.89 | 10.80 |
SO3 | 0.77 | 2.26 | – |