Surrounding Rock Stability in Unsupported Roof Area and Rapid Heading Technique for Deep Arch Coal Roadways under Goaf

In order to achieve rapid heading of deep arch coal roadways under goaf, the maximum unsupported roof distance (URD), surrounding rock stability of unsupported roof area and influencing factors, and rapid heading equipment and processes for these roadways are investigated in the context of the worki...

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Bibliographic Details
Main Authors: Yewu Bi, Mingxing Wang, Chao Wu, Yucheng Huang
Format: Article
Language:English
Published: MDPI AG 2022-10-01
Series:Minerals
Subjects:
Online Access:https://www.mdpi.com/2075-163X/12/10/1329