1Research progress and development path of temporary support technology and equipment for coal mine roadway excavationYUE Zhongwen, WANG Dale, WANG Guandong, HAO Xuedi, LI Yongliang, LI Akang, LI Wei, DONG Haoran1-162Study on the dynamic mechanical properties of the combined structures of bolt supporting plate and cushioning layerZHOU Penghe, WU Yongzheng, FU Yukai, SUN Zhuoyue17-273Study on the dip angle of borehole and position of roof cutting for gob-side entry retained by roof pre-fracturing in gently inclined coal seamYANG Shubing, WANG Mei, YANG Yongkang, WANG Chenlong28-424Experimental study on mechanical properties of "paste-gangue" composite bearing structureLYU Wenyu, LI Shijie, WU Yongping, XIE Panshi, TAN Yi, WU Yunlu43-495Stress distribution characteristics of serrated residual coal pillar groups in Shanzhai Coal MineTIAN Wenhui, ZHANG Di, CAO Anye, NIU Jiasheng, HAN Jin, MO Zhenghu, WANG Songwei, LI Xiaogang, ZHAO Huiqiang, LIU Haishuang50-586Microseismic response characteristics of working face with thin bedrock and thick loose layerWAN Zhihong, ZHENG Shunyuan, LI Lei, GUO Qiankun, LIU Zheng, MIAO Wei, XU Yanchun59-687Bursting preventation of hard roof by axialslit cutting and fracturing with abrasive jetLI Hai, DU Taotao, SUN Bingcheng, YANG Wei, CHANG Bo, ZHAO Zhipeng, LI Hongping, JIA Bingbing, ZHANG Hongyi69-778Slope stability analysis of open pit mine based on the improved Morgenstern-Price methodLONG Bohan, YONG Rui, ZHONG Zhen, TAN Shaonan78-869Detection and calculation of the height of water flowing fractured zone of coal roof in Binchang mining areaGUO Xiaoming, LIU Yingfeng, GU Zhanxing87-96