Study on failure mode of surrounding rock in longwall face of steep coal seam
Taking a mine in Xinjiang as the engineering background, and with the help of an bottom friction test and FLAC3D software, the pseudo-inclined coal seam is systematically analyzed. The movement and failure modes of the coal wall and roof and floor of the inclined longwall face are defined and solve...
Main Authors: | , , , , |
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Format: | Article |
Language: | zho |
Published: |
Editorial Office of Safety in Coal Mines
2021-04-01
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Series: | Meikuang Anquan |
Subjects: | |
Online Access: | https://www.mkaqzz.com/cn/article/id/7385 |