Research Article
Investigation on the Fracturing Permeability Characteristics of Cracked Specimens and the Formation Mechanism of Inrush Channel from Floor
Table 2
Failure characteristic parameters used in the numerical model.
| Parameter | Value |
| Elastic modulus | 50 GPa | Internal friction angle | 30° | Ratio of compression to tension | 10 | Compression coefficient | 2001 | Tension coefficient | 5 | Poisson’s ratio | 0.25 | Uniaxial compressive strength | 200 MPa | Percentage of residual strength | 0.1 | Percentage of residual Poisson’s ratio | 1.1 | Homogeneity | 3 |
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