Failure characteristics of surrounding rock in deep coal roadway with composite roof and cross-boundary anchor-grouting graded continuous support technology

To solve the problem of large deformation of roadway with deep composite roof, based on the material roadway of 3205 working face in Xin’an Coal Mine as the engineering background, the deformation and failure characteristics of roadway with composite roof and its influencing factors were analyzed by...

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Bibliographic Details
Published in:Meikuang Anquan
Main Author: LI Jian, LI Yongle, XIE Zhengzheng, ZHANG Nong, GUO Feng, LIN Xuezhen, CHEN Qinghua
Format: Article
Language:Chinese
Published: Editorial Office of Safety in Coal Mines 2023-08-01
Subjects:
Online Access:https://www.mkaqzz.com/cn/article/id/a43d0be4-f298-44a1-9fbc-b02a48fd4250