Study on safety coal pillar mining and internal dump space optimization of adjacent mining area in turning period in Huolinhe North Open-pit Coal Mine
Based on the mining conditions and development status of Huolinhe North Open-pit Coal Mine, in view of the problems of adjacent coal mining area steering, coal column mining in the mining section, tight of the inner dump space, the stability of composite slope of stope-inner dump is analyzed to solv...
Furkejuvvon:
| Váldodahkki: | |
|---|---|
| Materiálatiipa: | Artigo |
| Giella: | Chinês |
| Almmustuhtton: |
Editorial Office of Safety in Coal Mines
2023-05-01
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| Ráidu: | Meikuang Anquan |
| Fáttát: | |
| Liŋkkat: | https://www.mkaqzz.com/cn/article/id/8418 |
| Fáddágilkorat: |
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