急倾斜走向分段充填顶板初次断裂应力分布规律
姚琦,冯涛,廖泽,马超甫
Stress distribution of the roof initial fracture feature for sublevel fill mining along the strike in steep coal seam
YAO Qi,FENG Tao,LIAO Ze,MA Chaofu
采矿与安全工程学报 . 2017, (6): 1148 -1155 .