Table 2 The mechanical parameters of lithology.
Lithology | Unit weight (kN/m³) | Elastic modulus (GPa) | Poisson’s ratio | Cohesion (MPa) | Friction angle (°) | Tensile strength (MPa) |
|---|---|---|---|---|---|---|
Two-mica quartz schist | 27.80 | 10.24 | 0.26 | 0.18 | 34.40 | 0.02 |
Epidote amphibole schist | 27.80 | 32.50 | 0.23 | 0.19 | 34.50 | 0.02 |
Fracture zone | 27.80 | 3.24 | 0.3 | 0.09 | 27.00 | 0 |
Quartz vein | 27.20 | 9.00 | 0.26 | 0.30 | 35.00 | 0.03 |
Hard fault | 24.00 | 4.25 | 0.30 | 0.06–0.08 | 26.00–27.00 | 0 |
Soft fault | 21.00 | 1.20 | 0.32 | 0.03–0.05 | 24.00–25.00 | 0 |
