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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Bibliographic Details
Main Authors: Heping LIU, Shuaifeng LYU, Xiao YANG, Chong CHEN, Zhangkai XIONG, Shuai MA
Format: Article
Language:Chinese
Published: Editorial Office of Safety in Coal Mines 2025-07-01
Series:Meikuang Anquan
Subjects:
Online Access:https://www.mkaqzz.com/cn/article/doi/10.13347/j.cnki.mkaq.20231863
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