Research Article
Damage Characteristics Caused by Deep-Hole Blasting near Normal Fault and Its Effects on Coal and Gas Outbursts
Table 1
Original mechanical parameters of coal and rock [
24].
| | Rock type | Density (g/cm3) | Modulus of elasticity (GPa) | Poisson’s ratio | Compressive strength (MPa) | Tensile strength (MPa) |
| | Mudstone | 2.4 | 9.8 | 0.24 | 28.2 | 1.3 | | Coal seam | 1.4 | 5.3 | 0.32 | 7.1 | 0.4 |
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