Research Article
Investigation on the Fracturing Permeability Characteristics of Cracked Specimens and the Formation Mechanism of Inrush Channel from Floor
Table 3
Seepage parameters used in the numerical model.
| | | Horizontal permeability coefficient (m/d) | Vertical permeability coefficient (m/d) | Porosity | Pore pressure coefficient | Damage mutation coefficient | Separation coefficient | Coupling coefficient |
| | Homogeneity | 100 | 100 | 100 | 100 | 1000 | 1000 | 1000 | | Average value | 0.000864 | 0.000864 | 0.1 | 1 | 5 | 100 | 0.1 |
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