6Yu Bin,Zhao Jun,Kuang Tiejun,et al.In situ investigations into overburden failures of a super-thick coal seam for longwall top coal caving[J].International Journal of Rock Mechanics&Mining Sciences,2015,78:155-162.
7钱鸣高,石平五,许家林.矿山压力与岩层控制[M].徐州:中国矿业大学,2010.
8Tan Yunliang.Caving regularity of layered hard roof[J].Ground Pressure and Strata Control,1991(3):47-49,72.
9Dai Ronggui.Prelimenary analysis of the natural law of caving down the hard roof of the 15-foot coal seam at the Tu-er-ping mine and its mine pressure Tai Yung-kwei[J].Journal of China Coal Society,1965(4):40-50.
10Wu Xingrong,Yang Maotian.Fracture and first caving of the thick and hard roof[J].Ground Pressure and Strata Control,1990(2):22-25.
