Research Article
Instability Mechanism of Extraction Structure in Whole Life Cycle in Block Caving Mine
Table 1
Rock mass mechanical parameters in the numerical model.
| | Items | Elasticity modulus, (GPa) | Bulk density, (kg/m3) | Cohesive strength, (MPa) | Shear modulus, (GPa) | Internal friction angle, (°) | Tensile strength, (MPa) | Poisson ratio, |
| | Value | 5.99 | 2740 | 6.6 | 2.45 | 42.58 | 6.62 | 0.22 |
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