Table 1.
Chemical components of cement and silica fume.
| Chemical Composition (%) | SiO2 | Al2O3 | Fe2O3 | CaO | MgO | SO3 | L.O.I | K2O+Na2O (equivalent) | Others |
|---|---|---|---|---|---|---|---|---|---|
| Cement | 21.2 | 5.4 | 3.2 | 63.8 | 2.0 | 2.2 | 0.7 | 0.8 | 0.7 |
| Silica fume | 91.5 | 0.2 | 0.7 | 0.4 | 1.5 | 0.5 | 1.4 | 1.9 | 1.9 |
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