Table 8 Numerical simulation of mechanical parameters of rock mass.
Name of rock formation | Natural density/(KN/m3) | Poisson ratio \(\mu\) | Elasticity modulus E/MPa | Shear modulus G/MPa | Volume modulus K/MPa | Cohesion c/MPa | Frictional angle φ/° | Tensile strength σt/MPa | Penetration coefficient K/cm/s |
|---|---|---|---|---|---|---|---|---|---|
Soft rock layer | 22.8 | 0.370 | 4300 | 1570 | 2300 | 5.42 | 29.59 | 2.24 | 5.645 × 10−8 |
Fractured rock mass with faults | 19.3 | 0.397 | 1400 | 500 | 800 | 2.72 | 24.84 | 0.73 | 1.406 × 10−7 |