Research Article
The Influence of Calcium Chloride Salt Solution on the Transport Properties of Cementitious Materials
Table 2
Properties of ordinary Portland cements (OPC).
| Item | Percent by mass (%) | Type I | Type V |
| Silicon dioxide (SiO2) | 19.43 | 21.3 | Aluminum oxide (Al2O3) | 5.39 | 2.6 | Ferric oxide (Fe2O3) | 3.18 | 4.2 | Calcium oxide (CaO) | 63.45 | 63.2 | Magnesium oxide (MgO) | 2.97 | 4.5 | Sulfur trioxide (SO3) | 3.38 | 2.8 | Loss on ignition | 0.88 | 1.20 | Sodium oxide | 0.35 | NA | Potassium oxide | 0.77 | NA | Free lime | NA | 0.38 | Insoluble residue | 0.25 | 0.18 | Total equivalent alkali as Na2O | 0.86 | 0.21 | Tricalcium silicate (C3S) | 60 | 64 | Dicalcium silicate (C2S) | 10 | 13 | Tricalcium aluminate (C3A) | 9 | 0 | Tetracalcium aluminoferrite (C4AF) | 10 | 13 |
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