Research Article
An Investigation on Strength Development of Cement with Cenosphere and Silica Fume as Pozzolanic Replacement
Table 1
Properties of cement, cenosphere, and silica fume.
| (a) |
| | | Physical properties | | | Cement | Cenosphere | Silica fume |
| | Blaine surface | | | | | Area (m2/Kg) | 380 | 320 | 1500 | | Particle mean | | | | | Dia (µm) | <32 | <100 | <1 | | Specific gravity | 3.1 | 0.9 | 2.3 | | Loss of ignition | 2% | 1.30% | — |
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| (b) |
| | | Chemical properties | | | Cement | Cenosphere | Silica fume |
| | SiO2 | 23% | 65.00% | 89.00% | | Al2O3 | 4.20% | 36.00% | 10% | | MgO | 0.20% | 2.50% | — | | Fe2O3 | 1.20% | 3.00% | 2% | | CaO | 63% | 0.50% | 0.45% |
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