Research Article
Numerical Investigation of Rockburst Effect of Shock Wave on Underground Roadway
Table 1
Mechanical parameters of rock strata.
| Stratum | Thickness/m | Density/(Kg·m−3) | Bulk modulus/GPa | Shear modulus/GPa | Cohesion/MPa | Friction angle/° | Tensile strength/MPa |
| Tinea mudstone | 11.5 | 2640 | 8 | 4.8 | 2.3 | 35 | 5 | Finestone/siltstone | 3.2 | 2700 | 12 | 8.1 | 4.0 | 37 | 7 | Mudstone | 10.0 | 2640 | 8 | 4.8 | 2.3 | 35 | 5 | 11−2 coal seam | 1.2 | 1300 | 8.5 | 4 | 0.5 | 28 | 2 | Mudstone | 4.5 | 2640 | 8 | 4.8 | 2.3 | 35 | 5 | 11−1 coal seam | 0.8 | 1300 | 8.5 | 4 | 0.5 | 28 | 2 | Mudstone | 9.0 | 2640 | 8 | 4.8 | 2.3 | 35 | 5 |
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