Research Article
Curing Effects on High-Strength Concrete Properties
Table 1
Chemical composition of cement and supplementary cementing materials.
| | Oxide compounds (mass, %) | PC | Silica fume | Fly ash |
| | SiO2 | 21.12 | 90.97 | 59.1 | | Al2O3 | 5.62 | 0.47 | 38.9 | | Fe2O3 | 3.22 | 0.91 | — | | CaO | 65.95 | 0.42 | 0.87 | | MgO | 1.82 | 0.93 | 0.71 | | SO3 | 2.30 | 0.60 | 0.42 | | Loss on ignition (LOI) | — | 5.7 | — | | Density (g/cm3) | 2.80 | 2.50 | 2.75 | | Physical properties | | | | | C3A | 7.2 | — | — | | C4AF | 11.4 | — | — | | C3S | 59.2 | — | — | | C2S | 18.8 | — | — | | Ignition loss | 0.5 | — | — |
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