Study on control mechanism of large deformation roadway in impact high stress swelling broken soft rock
Aiming at the support problem of large deformation of deep impact high stress soft rock roadway in 21220 working face of a mine of Yima Coal Industry Company, FLAC3D finite element method was used to simulate 21220 working face. The deformation, stress and crack propagation characteristics of roadw...
| Published in: | Meikuang Anquan |
|---|---|
| Main Authors: | , |
| Format: | Article |
| Language: | Chinese |
| Published: |
Editorial Office of Safety in Coal Mines
2022-07-01
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| Subjects: | |
| Online Access: | https://www.mkaqzz.com/cn/article/id/8038 |