Research Article
Research on Surrounding Rock Stability Affected by Surrounding Rock Pressure and Rock Fracture under Blasting Vibration Load Action
Table 1
Rock parameters in the calculation model.
| Rock | Tensile strength (MPa) | Elastic modulus (GPa) | Poisson’s ratio | Cohesion (MPa) | Angle of internal friction (°) | Density (kg·m−3) |
| Hanging wall | 7.1 | 17 | 0.27 | 4.3 | 27 | 2640 | Ore body | 8.0 | 23 | 0.22 | 6.2 | 34 | 2870 | Footwall | 7.2 | 21 | 0.25 | 5.5 | 31 | 2640 |
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