Control Technology of Support Stability in Thick Seam with Large Dip Angle Split-level Roadway
The paper proposes the scheme of split-level which is for the problems of downslide of roadway and flying refuse and slice slope in pseudo-inclined working face of thick seam with large dip angle in Suhanghe Coal Mine. The instability mechanism of supports is analyzed by establishing a mechanical m...
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| Format: | Article |
| Language: | zho |
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Editorial Office of Safety in Coal Mines
2020-07-01
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| Series: | Meikuang Anquan |
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| Online Access: | https://www.mkaqzz.com/cn/article/id/6915 |