Research Article
Experimental Study of the Pore Structure Deterioration of Sandstones under Freeze-Thaw Cycles and Chemical Erosion
Table 1
Result of the measurement of the porosity of the sandstones (porosity (%)).
| | H2SO4 solution | Pure water | | Specimens | Freeze-thaw cycles | Specimens | Freeze-thaw cycles | | 0 | 10 | 20 | 30 | 0 | 10 | 20 | 30 |
| | C7 | 3.6 | 4.1 | 4.5 | 5.0 | F7 | 3.5 | 4.0 | 3.9 | 4.2 | | C8 | 4.0 | 4.6 | 5.0 | 5.4 | F8 | 3.3 | 3.8 | 3.7 | 3.9 | | C9 | 3.9 | 4.3 | 5.0 | 5.6 | F9 | 3.2 | 3.6 | 3.6 | 3.8 | | Average | 3.8 | 4.3 | 4.8 | 5.3 | Average | 3.3 | 3.8 | 3.7 | 4.0 |
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