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Chemical composition of cementitious materials.
| Configuration | Cement (%) | Fly Ash (%) |
|---|---|---|
| SiO2 (%) | 25.21 | 58.35 |
| Al2O3 (%) | 4.59 | 20.96 |
| Fe2O3 (%) | 2.99 | 4.9 |
| CaO (%) | 62.85 | 9.79 |
| MgO (%) | 1.70 | 1.99 |
| Na2O (%) | 0.98 | 2.41 |
| K2O (%) | 1.68 | 1.60 |
| Specific gravity (g/cm3) | 3.15 | 2.38 |
| Loss on ignition (%) | 2.2 | 1.25 |
