Study on critical safety width of grouting waterproof coal pillar for working face adjacent to fire-damaged zone
Aiming at the water hazard threat posed by the burnt rock aquifer in the adjacent fire-damaged zone during the mining of the S1234 working face in Niaotiaota Coal Mine, it is necessary to set a grouting waterproof coal pillar with a certain width on the south side of the working face to block and cu...
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| Главные авторы: | , , , , |
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| Формат: | Artigo |
| Язык: | Chinês |
| Опубликовано: |
Editorial Office of Safety in Coal Mines
2026-05-01
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| Серии: | Meikuang Anquan |
| Предметы: | |
| Online-ссылка: | https://www.mkaqzz.com/cn/article/doi/10.13347/j.cnki.mkaq.20250642 |
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