Research Article
Investigation of the Optimization of Unloading Mining Scheme in Large Deep Deposit Based on Vague Set Theory and Its Application
Table 1
Mechanical parameters of the model.
| | Type | Density (kg/m3) | UCS (MPa) | UCS (MPa) | Tensile strength (MPa) | Cohesion (MPa) | Friction angle (°) | Elastic modulus (GPa) | Poisson’s ratio | Bulk modulus (GPa) | Shear modulus (GPa) |
| | Surrounding rock | 3000 | 39.19 | 39.19 | 1.72 | 2.10 | 36.19 | 15.89 | 0.25 | 8.63 | 2.88 | | Ore body | 3200 | 22.24 | 22.24 | 0.18 | 1.09 | 38.45 | 2.99 | 0.26 | 1.96 | 0.62 | | Filling material | 2800 | 5.23 | 5.23 | 0.50 | 0.76 | 36.60 | 0.81 | 0.32 | 0.87 | 0.57 |
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