Research Article
Numerical Simulation of Acoustic Emission Events in Supporting Roadways under Different Dynamic Loads
Table 1
Mechanical parameters of rock mass.
| | | Density (kg·m−3) | Bulk modulus (GPa) | Shear modulus (GPa) | Angle of internal friction (°) | Tensile strength (MPa) |
| | Siltstone | 2.75 | 8.10 | 4.84 | 35.7 | 3.41 | | Fine sandstone | 2.7 | 7.87 | 3.38 | 38.8 | 5.79 |
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