Research Article
Influence of Steam Curing Method on the Performance of Concrete Containing a Large Portion of Mineral Admixtures
Table 1
Chemical compositions and specific surface areas of OPC, GGBS, and FA.
| ā | OPC | GGBS | FA |
| SiO2 (%) | 21.10 | 31.76 | 53.33 | Al2O3 (%) | 6.33 | 14.84 | 27.65 | Fe2O3 (%) | 4.22 | 0.60 | 6.04 | CaO (%) | 54.86 | 36.44 | 2.86 | MgO (%) | 2.60 | 9.08 | 1.35 | SO3 (%) | 2.66 | 1.94 | 0.45 | (%) | 0.53 | 0.56 | 0.64 | Loss on ignition (%) | 2.42 | 0.86 | 4.71 | Specific surface area (m2/kg) | 376 | 430 | 358 |
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= Na2O + 0.658K2O.
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