Research Article
Design Method for Specific Charge in Deep Mining considering Influence of In Situ Stress
Table 2
Material property parameters.
| | Lithology | Uniaxial compressive strength (MPa) | Elastic modulus (GPa) | Poisson’s ratio | Cohesion (MPa) | Friction angle (°) |
| | Gneiss | 139.0 | 63 | 0.26 | 10.23 | 40.81 | | Copper-zinc ore | 95.0 | 56 | 0.29 | 6.91 | 40.47 |
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