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...

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Bibliographic Details
Main Authors: ZHANG Yutong, LIU Qimeng, CAI Mengya, ZHAO Jin, YE Mei, ZHANG Danda
Format: Article
Language:zho
Published: Editorial Department of Industry and Mine Automation 2017-10-01
Series:Gong-kuang zidonghua
Subjects:
Online Access:http://www.gkzdh.cn/article/doi/10.13272/j.issn.1671-251x.2017.10.007