Research Article
Study on Hydraulic Connection and Seepage Law of Goaf Groups in Coal Mine Underground Reservoir
Table 1
Fitting function of coal/rock sample permeability and axial pressure.
| | Lithology | Permeability in loading stage ( m2) | Permeability in unloading stage ( m2) |
| | Coal | 0.2716-0.105x
| 322.83-0.320x
| | Fine sandstone | 0.01-0.043x
| 244.65-0.380x
| | Siltstone | 0.008-0.058x
| 296.87-0.434x
|
|
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