Table 2
Mechanical parameters of rock material [33].
| Rock sample | Elastic modulus/GPa | Poisson’s ratio | Density/kg/m3 | Compressive strength/MPa | Tensile strength/MPa | Shear strength/MPa | Friction angle/° |
|---|---|---|---|---|---|---|---|
| Beibei limestone | 31.2 | 0.171 | 2600 | 105.95 | 6.76 | 17.72 | 43.62 |