Research Article
Evaluation of the Active Support and Yielding Bearing Properties of Artificial Pillars Supporting a Stope Roof Using 3DEC Numerical Simulation
Table 1
The determining parameters of rock mass.
| | Parameters | Density (kg/m3) | Bulk modulus (MPa) | Shear modulus (MPa) | Tensile strength (MPa) | Cohesion (MPa) | Residual cohesion (MPa) | Friction (deg) | Residual friction (deg) | Dilation (deg) | Residual dilation (deg) |
| | Pillar | 2700 | 12305.4 | 8472.54 | 0.36209 | 2.65 | 0.6625 | 38 | 9.5 | 20 | 5 | | Host rock mass | 2700 | 12305.4 | 8472.54 | 0.36209 | 2.65 | 0.6625 | 38 | 9.5 | 20 | 5 |
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