Study on evolution law of overburden structure based on microseismic distribution characteristics
There are several key layers with large thickness above the 402 working face of wide coal pillar in Hongqinghe Coal Mine. The existence of key layers will significantly increase the peak value of abutment pressure and its influence range. Based on the microseismic distribution characteristics of 402...
| Main Authors: | , , , , , , , |
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| Format: | Article |
| Language: | zho |
| Published: |
Editorial Office of Safety in Coal Mines
2023-12-01
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| Series: | Meikuang Anquan |
| Subjects: | |
| Online Access: | https://www.mkaqzz.com/cn/article/doi/10.13347/j.cnki.mkaq.2023.12.012 |