Table 5 Porosity test results.
Sample grouping | Freeze–thaw cycles | Porosity/% | Mean value/% | Average value increment/% |
|---|---|---|---|---|
Y-1-I | Conventional samples | – | – | – |
Y-1-II | Conventional samples | – | – | – |
Y-1-III | Conventional samples | – | – | – |
Y-2-I | 0 | 8.76 | 8.83 | 0.00 |
Y-2-II | 0 | 8.79 | ||
Y-2-III | 0 | 8.83 | ||
Y-3-I | 20 | 9.17 | 9.16 | 0.33 |
Y-3-II | 20 | 9.02 | ||
Y-3-III | 20 | 9.29 | ||
Y-4-I | 40 | 9.41 | 9.45 | 0.62 |
Y-4-II | 40 | 9.35 | ||
Y-4-III | 40 | 9.58 | ||
Y-5-I | 60 | 9.85 | 9.87 | 1.04 |
Y-5-II | 60 | 9.89 | ||
Y-5-III | 60 | 9.88 | ||
Y-6-I | 80 | 10.08 | 10.11 | 1.28 |
Y-6-II | 80 | 10.13 | ||
Y-6-III | 80 | 10.11 |
