Model of water control “two key layers” in floor reinforcement and reconstruction working face
In order to study the water inrushing mechanism of floor reinforcement working face and the grouting effect in water abundant mining area of North China Coalfield, by means of mechanical formula derivation, hydro-geological characteristics analysis, micro-seismic monitoring and transient electromagn...
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| Format: | Article |
| Language: | zho |
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Editorial Office of Safety in Coal Mines
2023-05-01
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| Series: | Meikuang Anquan |
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| Online Access: | https://www.mkaqzz.com/cn/article/id/8393 |