Roof stability analysis in No.3 coal seam of Panxie peripheral
In view of problems of poor accuracy and weak maneuverability existed in roof stability evaluation methods, the extension theory was applied to stability analysis of coal seam roof. For problem of roof stability of No.3 coal seam of Panxie peripheral, fault fractal value, hard-rock ratio, strength c...
Main Authors: | , , , , , |
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Format: | Article |
Language: | zho |
Published: |
Editorial Department of Industry and Mine Automation
2017-10-01
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Series: | Gong-kuang zidonghua |
Subjects: | |
Online Access: | http://www.gkzdh.cn/article/doi/10.13272/j.issn.1671-251x.2017.10.007 |