Research Article
Numerical Study on the Impact Instability Characteristics Induced by Mine Earthquake and the Support Scheme of Roadway
Table 2
Mechanical parameters of blocks.
| | Lithology name | Density (kg/m3) | Elastic modulus (GPa) | Poisson’s ratio | Bulk modulus (GPa) | Shear modulus (GPa) |
| | 3# coal | 1400 | 3.2 | 0.32 | 2.96 | 1.21 | | Mudstone | 2500 | 9.8 | 0.29 | 7.78 | 3.80 | | Sandstone | 2550 | 27.5 | 0.26 | 17.6 | 10.9 |
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