Failure analysis and control of retained roadway at working face under protection coal pillar of the faults
Aiming at the severe damage at retained roadway of coal seam 4-2 working face in Buertai coal mine, which is under 2-2 coal seam protection coal pillar of the faults, the failure characteristics and disaster mechanism of retained roadway under the protection coal pillar of faults were studied by mea...
Main Authors: | , , , , , |
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Format: | Article |
Language: | English |
Published: |
Emergency Management Press
2020-10-01
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Series: | 矿业科学学报 |
Subjects: | |
Online Access: | http://kykxxb.cumtb.edu.cn/cn/article/doi/10.19606/j.cnki.jmst.2020.05.006 |