Determination of the roof caving heights of thick and extra thick coal seams
WU Fengfeng
YANG Jingxuan
YU Bin
CHEN Xianhui
Keywords：thick and extra thick coal seamscaving heightkey strata theoryroof conditionsbulk increase coefficient
Publication Date：2014-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)