Grouting Reconstruction Design of Strong Water-rich Coal Seam in Balasu Coal Mine

The 2# coal in Yuheng northern district is aquifer, which has the characteristics of high water pressure and strong water content. It brings serious safety problems to shaft construction in many coal mines in Yuheng northern district. In order to solve the problem of strong and rich water in coal s...

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Bibliographic Details

Published in:	Meikuang Anquan
Main Author:	LIU Yang, WANG Chungang, LIANG Xiangyang, FANG Gang
Format:	Article
Language:	Chinese
Published:	Editorial Office of Safety in Coal Mines 2020-02-01
Subjects:	coal seam outflow grouting transformation annular space grouting hole drainage hole
Online Access:	https://www.mkaqzz.com/cn/article/id/6662