Research Article
Mechanical Properties and Statistical Damage Constitutive Model of Rock under a Coupled Chemical-Mechanical Condition
Table 5
Parameters of sandstone treated with different chemical corrosion (30 MPa).
| Chemical environment | (MPa) | | E (GPa) | | | (%) | (%) | | |
| H2SO4 solution | 144.14 | 0.0151 | 12.99 | 2.4275 | 188.4859 | 5.08 | 10.76 | 0.0598 | 0.78 | Distilled water | 166.47 | 0.0162 | 13.70 | 2.7855 | 222.4475 | 5.14 | 5.94 | 0.0084 | 0.80 | NaOH solution | 151.27 | 0.0154 | 13.30 | 2.6737 | 201.4039 | 5.07 | 8.64 | 0.0376 | 0.82 | Natural state | 170.86 | 0.0165 | 13.81 | 2.8038 | 230.2525 | 5.11 | 5.11 | 0 | 0.81 |
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