Research Article
Effect of Magnesium Sulphate on Self-Compacting Concrete Containing Supplementary Cementitious Materials
Table 2
Chemical composition of binder materials.
| Constituents (wt %) | OPC | RHA | (FA) | GGBS |
| SiO2 | 16.5 | 90.55 | 41.29 | 35 | Fe2O3 | 3.633 | 0.91 | 12.36 | 0.52 | CaO | 69.43 | 1.23 | 1.0 | 40 | MgO | 1.29 | 0.44 | 2.62 | 8 | K2O | 0.489 | 5.52 | 2.49 | 0.46 | SO3 | 4.23 | 0.81 | 3.0 | 2.09 | Al2O3 | 3.65 | 0.67 | 23.59 | 11.72 | LOI | 2.14 | 2.62 | 6 | 1.42 | Physical properties | | | | | Specific surface area (m²/kg) | 320 | 350 | 570 | 450 | Specific gravity | 3.14 | 2.15 | 2.6 | 2.1 |
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