Reason analyses on large area roof cutting and collapse of hydraulic supports at fully-mechanized top coal caving mining face in ultra thick coal seams
Yan Shaohong
Xu Gang
Zhang Xueliang
Zhang Zhen
Keywords：fully-mechanized top coal caving miningroof structure of cantilever rock beam & hinged rock beamsetting load of hydraulic supportsworking resistance of hydraulic supports
Publication Date：2015-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)