Table 6 Model hydrodynamic parameters.
岩层 | Joint opening (× 10−4 m) BG/AG | Residual opening of joint (× 10-4 m) BG/AG | Permeability coefficient (m/day) BG/AG |
|---|---|---|---|
Limestone 8 | 3.0/2.0 | 1.0/0.5 | 3.0/0.5 |
Limestone 9 | 3.0/2.0 | 1.0/0.5 | 3.0/0.1 |
Sandy mudstone | 1.0/0.9 | 0.5/0.3 | 1.0/0.1 |
Mudstone | 1.0//0.9 | 0.5/0.3 | 1.0/0.1 |
Interbedded sandstone and mudstone | 1.0/0.8 | 0.5/0.3 | – |
Coal seam 2-1 | 1.5/1.5 | 0.6/0.6 | – |
Immediate roof | 3.0/3.0 | 1.0/1.0 | – |
Fault | 20.0/10.0 | 10.0/2.0 | 6.0/1.0 |
