Study on fracture evolution of surrounding roadway under close distance coal pillar
Aiming at the problem of large deformation of surrounding rock of roadway with coal pillar in near coal seam, based on the geological conditions of Dengmaotong Mine, the UDEC-Trigon numerical model was constructed, and the deformation characteristics and fractures evolution of roadway surrounding r...
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| Format: | Article |
| Language: | zho |
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Editorial Office of Safety in Coal Mines
2021-02-01
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| Series: | Meikuang Anquan |
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| Online Access: | https://www.mkaqzz.com/cn/article/id/7275 |