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Chemical composition of the materials used: fly ash (FA) and ordinary Portland cement (OPC).
| Material | SiO2 | Al2O3 | Fe2O3 | CaO | MgO | Na2O | SO3 | TiO2 | LOI * |
|---|---|---|---|---|---|---|---|---|---|
| FA | 28.53 | 19.18 | 8.80 | 6.68 | 2.24 | 7.94 | 2.71 | 1.62 | 20.67 |
| OPC | 19.13 | 4.42 | 4.32 | 57.70 | 1.60 | - | 2.32 | - | 9.78 |
LOI *: loss on ignition.
