Table 2 Statistics of pore distribution of red-bed sandstone samples.
From: Macro and micro damage characteristics of Red-bed sandstone in Urumqi under freeze–thaw cycles
freeze–thaw cycles | Pore volume(mm3) | Material volume(mm3) | Bulk volume(mm3) | Porosity(%) |
|---|---|---|---|---|
0 cycles | 12,514 | 185,405 | 197,919 | 6.32 |
3 cycles | 14,082.8 | 183,438.3 | 197,521.1 | 7.13 |
5 cycles | 15,319.5 | 181,477.2 | 196,796.7 | 7.78 |
10 cycles | 17,002.5 | 178,010.5 | 195,013 | 8.72 |
15 cycles | 18,445.4 | 176,046.7 | 194,492.1 | 9.48 |
20 cycles | 24,271.4 | 169,978.8 | 194,250.2 | 12.49 |
25 cycles | 24,806.1 | 169,356.8 | 194,162.9 | 12.78 |
