Study on Developing Mechanism of Coal Pillar Pressure of Shallow Coal Seams with Thick Seam Spacing Passing Through Overlying Goaf
Taking Nanliang Coal Mine thick seam spacing mining as the engineering background, aiming at the safety problem of dynamic rock pressure occurring when the lower coal seam is mined over the pillar of the overburden goaf, this paper studies the mechanism of rock pressure appearing when the working fa...
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| Автор: | |
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| Формат: | Artigo |
| Мова: | Chinês |
| Опубліковано: |
Editorial Office of Safety in Coal Mines
2020-12-01
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| Серія: | Meikuang Anquan |
| Предмети: | |
| Онлайн доступ: | https://www.mkaqzz.com/cn/article/id/7081 |
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