Research Article
Carbonation Resistance of Cement-Based Materials Improved by Nitrite
Table 5
The gas permeability characteristics of cement pastes mixed with Ca(NO3)2.
| | Ca(NO3)2 amount (%) | | | | Porosity (%) | Permeability (10−16 m2) |
| | 0 | 7.58958 | 1.05 | 500.00 | 0.030265 | 3.317 | | 0.6 | 7.16103 | 1.10 | 519.16 | 0.028156 | 3.594 | | 0.9 | 6.97029 | 1.30 | 487.94 | 0.025498 | 3.562 | | 1.2 | 5.30373 | 1.00 | 534.41 | 0.018405 | 2.957 |
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