Research Article
Experimental Investigation of the Effects of the Gangue Particle Size on the Evolution Rules of Key Seepage Parameters
Table 6
Permeability parameters of the filling gangues with different sizes.
| | Particle size (mm) | Permeability parameters | Axial load (MPa) | | 4 | 6 | 8 | 10 | 16 |
| | 0~5 | Permeability (m2) | | | | — | — | | Non-Darcy factor (m−1) | | | | — | — | | 5~10 | Permeability (m2) | — | | | | — | | Non-Darcy factor (m−1) | — | | | | — | | 10~15 | Permeability (m2) | — | | | — | — | | Non-Darcy factor (m−1) | — | | | — | — | | 15~20 | Permeability (m2) | — | — | | | — | | Non-Darcy factor (m−1) | — | — | | | — |
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