Development characteristics of loose karst collapse columns and their transformation effect on coal properties and coal quality
Karst collapse column is one of the main geological factors that cause hidden disasters in many coal fields in North China. Especially, when the columns are soft and fractured, they will make great challenges to exploration, prevention, and safety production work in the coal mines. The penetrating r...
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Main Authors: | , , , , , |
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Format: | Article |
Language: | Chinese |
Published: |
Editorial Office of Safety in Coal Mines
2025-07-01
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Series: | Meikuang Anquan |
Subjects: | |
Online Access: | https://www.mkaqzz.com/cn/article/doi/10.13347/j.cnki.mkaq.20231863 |
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