Study on retaining width of waterproof coal pillar of F22 high angle normal fault in Qianyingzi Coal Mine

Confined water inrush caused by fault activation induced by coal mining under high in-situ stress is one of the main forms of water damage in deep mining. Reserving fault waterproof coal pillar is still the most important method to prevent fault activation and water diversion. We take F22 high angle...

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Bibliographic Details

Published in:	Meikuang Anquan
Main Authors:	WANG Haojie, FANG Jiahu, SUN Ping
Format:	Article
Language:	Chinese
Published:	Editorial Office of Safety in Coal Mines 2023-01-01
Subjects:	huaibei mining area normal fault waterproof coal pillar numerical simulation theoretical calculation
Online Access:	https://www.mkaqzz.com/cn/article/id/8263