Research Article
Improving the Stability of Subsurface Structures in Deep Metal Mines by Stress and Energy Adjustment: A Case Study
Table 1
Physical and mechanical parameters for a numerical simulation model.
| | Location | Density (kg/m3) | Bulk modulus (GPA) | Shear modulus (GPA) | Poisson’s ratio | Cohesion (MPa) | Interfriction angle (°) | Compressive strength (MPa) | Tensile strength (MPa) |
| | Hanging wall | 2706 | 3.37 | 2.8 | 0.21 | 11.4 | 31.3 | 48.2 | 4.37 | | Football | 2635 | 5.48 | 3.45 | 0.24 | 42.8 | 36.9 | 60.1 | 5.98 | | Fault | 1925 | 0.595 | 0.378 | 0.26 | 0.128 | 18.4 | 20.6 | 0.0198 | | Ore body | 2710 | 2.51 | 1.35 | 0.19 | 21.5 | 33.1 | 57.6 | 3.44 | | Filling body | 1610 | 0.304 | 0.0245 | 0.17 | 0.261 | 35.6 | 7.43 | 0.212 |
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