Research Article
The Damage Constitutive Model of Sandstone under Water-Rock Coupling
Table 4
Analysis of the deterioration of the parameter
of sandstone under the effect of water-rock interaction.
| | Cycle index N | Parameter | Test stage no. i | Total degree of degradation | Stage deterioration degree | Degree of single cycle deterioration |
| | 0 | 185.0 | 0 | 0 | 0.00 | 0.00 | | 1 | 183.1 | 1 | 1.03 | 1.03 | 1.03 | | 5 | 182.5 | 2 | 1.35 | 0.32 | 0.08 | | 15 | 180.4 | 3 | 2.49 | 1.14 | 0.11 |
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