Table 2 Physical and mechanical parameters of rock and fault.
Rock type | Density (kN/m3) | Elastic modulus (GPa) | Poisson’s ratio | Internal friction angle (°) | Cohesion (kPa) |
---|---|---|---|---|---|
Sandy slate | 22.3 | 1.12 | 0.28 | 25 | 200 |
Schistosized basalt | 23.5 | 1.01 | 0.26 | 23 | 150 |
Fault | 20.3 | 0.58 | 0.30 | 18 | 100 |