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Rock mass mechanical parameter obtained through numerical inversion.
| Types | Density ρ (kg/m3) |
Elastic modulus E (GPa) |
Bulk modulus K (GPa) |
Shear modulus G (GPa) |
Cohesion C (GPa) |
Friction angle φ (°) |
Poisson’s ratio μ |
Permeability coefficient k (cm/s) |
|---|---|---|---|---|---|---|---|---|
| Surrounding rock | 2680 | 2.73 | 2.28 | 1.05 | 1.43 | 23.50 | 0.30 | 1.0 × 10−4 |
