Research Article
Performance of Ground Clay Brick Mortars in Simulated Chloride and Sulphate Media
Table 2
Apparent diffusion coefficients of sulphate ions.
| Cement type | w/c = 0.4 | w/c = 0.5 | w/c = 0.6 | Dapp (×10−10m2/s) | r2 | Cs (%) | Dapp (×10−10m2/s) | r2 | Cs (%) | Dapp (×10−10m2/s) | r2 | Cs (%) |
| OPC | 2.99 | 0.97 | 1.56 | 3.82 | 0.97 | 2.02 | 4.06 | 0.96 | 2.28 | PPC | 2.23 | 0.99 | 1.23 | 3.19 | 0.96 | 1.38 | 3.67 | 0.96 | 1.68 | OPCGB-25 | 2.56 | 0.97 | 1.42 | 2.91 | 0.98 | 1.99 | 3.11 | 0.97 | 2.37 | OPCGB-35 | 2.45 | 0.97 | 1.41 | 2.69 | 0.99 | 2.13 | 2.83 | 0.98 | 2.34 | OPCGB-45 | 2.92 | 0.97 | 1.61 | 3.16 | 0.97 | 2.13 | 3.33 | 0.97 | 2.45 | OPCGB-50 | 3.19 | 0.96 | 1.62 | 3.38 | 0.96 | 2.03 | 3.68 | 0.97 | 2.58 | PPCGB-15 | 1.49 | 0.99 | 1.13 | 1.98 | 0.98 | 1.68 | 2.72 | 0.97 | 1.69 | PPCGB-20 | 1.19 | 0.99 | 1.13 | 1.60 | 0.97 | 1.62 | 2.26 | 0.97 | 1.54 | PPCGB-25 | 2.39 | 0.97 | 1.24 | 3.59 | 0.95 | 1.62 | 3.86 | 0.94 | 1.78 |
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