Mining Practice of Isolated Grouting and Filling Under Railway Tunnel in Yangquan Mining Area
To solve the contradiction between railway tunnel and coal under village and the shortage of resources in Pingshang Coal Mine, Yangquan Mining Area, the overburden isolated grouting and filling mining technology is used to mine it. The key strata and grouting depth of the overburden of the working...
| Published in: | Meikuang Anquan |
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| Main Author: | |
| Format: | Article |
| Language: | Chinese |
| Published: |
Editorial Office of Safety in Coal Mines
2020-02-01
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| Subjects: | |
| Online Access: | https://www.mkaqzz.com/cn/article/id/6664 |