Research Article
Modeling Rock Fracture Propagation and Water Inrush Mechanisms in Underground Coal Mine
Table 1
Values of the parameters used to describe the properties of the strata.
| Lithology | Thickness (m) | Compressive strength (MPa) | Tensile strength (MPa) | Density (kg/m-3) | Young’s modulus (GPa) |
| Mudstone | 24.0 | 15.7 | 1.4 | 2500 | 10.9 | 16 coal | 7.8 | 10.4 | 1.0 | 1400 | 10.0 | Siltstone | 16.2 | 58.7 | 4.2 | 2600 | 6.4 | Mudstone | 17.8 | 15.6 | 1.4 | 2500 | 10.9 | Limestone | 10.0 | 35.0 | 1.8 | 2700 | 44.2 |
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