Research on instability characteristics and control technology of the mining roadway below the remaining coal pillars in the goaf
When the extra thick coal seam is mined in the goaf, the remaining coal pillar of upper coal seam and adjacent working face will have an important impact on the stability of mining roadway. At present, the research on deformation and failure mechanism and control of mining roadway does not consider...
Main Authors: | , , , , , |
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Format: | Article |
Language: | zho |
Published: |
Editorial Department of Industry and Mine Automation
2022-04-01
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Series: | Gong-kuang zidonghua |
Subjects: | |
Online Access: | http://www.gkzdh.cn/article/doi/10.13272/j.issn.1671-251x.2021110032 |