Analysis on roof sag of pre-driven recovery room based on energy calculation
The fully mechanized mining face adopting pre-driven recovery room is prone to large roof deformation at the final mining stage, which will lead to support crushing accidents. Based on the three main roof failure forms after longwall face entered recovery room, this paper established different mecha...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Emergency Management Press
2023-10-01
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| Series: | 矿业科学学报 |
| Subjects: | |
| Online Access: | http://kykxxb.cumtb.edu.cn/en/article/doi/10.19606/j.cnki.jmst.2023.05.004 |