Research Article
Utilization of Metakaolin and Calcite: Working Reversely in Workability Aspect—As Mineral Admixture in Self-Compacting Concrete
Table 1
Chemical composition and physical data for cement, MK, and C.
| | Oxide | Cement | MK | C |
| | SiO2 | 20.5 | 52.68 | 0.05 | | Al2O3 | 5.7 | 43.11 | 0.15 | | Fe2O3 | 2.6 | 1.38 | 0.06 | | CaO | 62.5 | 0.3 | 55.4 | | MgO | 2.5 | 0.2 | 0.68 | | SO3 | 3.7 | — | — | | K2O | 0.7 | 0.3 | — | | Na2O | 0.2 | 0.62 | — | | LOI | 1.6 | 1.4 | 41.2 |
| | Fineness (cm2/gr) | 3251 | — | — | | Specific gravity | 3.10 | 2.42 | 2.65 | | Mean diameter (µm) | 12.50 | 2.60 | 1.30 |
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