Research Article
Hydration Properties of STS-Refining Slag-Blended Blast Furnace Slag Cement
Table 1
Chemical composition and physical properties of the materials.
| | | Chemical composition (wt.%) | Density (g/cm3) | Blaine (cm2/g) | | CaO | SiO2 | Al2O3 | MgO | Fe2O3 | Na2O | K2O | SO3 |
| | OPC | 65.3 | 16.8 | 4.4 | 5.5 | 3.1 | 0.1 | 0.9 | 3.5 | 3.13 | 3,415 | | BFS | 45.5 | 29.3 | 11.7 | 7.8 | 0.4 | 0.1 | 0.4 | 3.3 | 2.99 | 4,340 | | SRS | 50.7 | 2.3 | 33.4 | 2.5 | 5.3 | 0.04 | 0.01 | 0.9 | 3.04 | 4,010 | | Gypsum | 51.6 | 0.7 | 0.2 | 1.5 | 0.1 | 0.02 | 0.03 | 55.5 | 2.93 | 4,210 |
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