Research Article
Integrated Treatment Technology of Storage-Mining Inclined Goaf under Expressway
Table 1
Evaluation results of ground stability of goaf.
| | Mining coal | Coal seam thickness m (m) | Height of mining stage c (m) | (m) | Cover depth of roof B (m) | B/ | Stability |
| | 42 | 22 | 25 | 114 | 25 | <1 | Instability | | 43 | 7.4 | 25 | 39 | 20 | <1 | Instability | | 45 | 38 | 25 | 197 | 30 | <1 | Instability |
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