Research Article
A Statistical Constitutive Model considering Deterioration for Brittle Rocks under a Coupled Thermal-Mechanical Condition
Table 2
Values to calculate constitutive model parameters at different temperatures (25 MPa).
| | Temperature ( (°C)) | Peak strength ( (MPa)) | Strain at peak strength ( (10−6)) | Crack initiation strength ( (MPa)) | Strain at crack initiation ( (10−6) | Elastic modulus ( (GPa)) | Poisson’s ratio () | Constant () |
| | 40°C | 253.3 | 4.9 | 101.3 | 1.9 | 5.9 | 0.27 | 0.23 | | 60°C | 229.5 | 5.1 | 91.8 | 1.6 | 6.1 | 0.34 | 0.21 | | 130°C | 263.7 | 6.2 | 105.5 | 1.9 | 5.6 | 0.34 | 0.22 |
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