1Target stratum determination in surface hydraulic fracturing for rock burst prevention in deep mines under hard and thick roof strataXU Gang, ZHANG Zhen, LIN Xingyu, LU Chuang, ZHANG ChunhuiSpecial Topic1-102Technology system and application of surface fracturing for weakening thick-hard roofs in Ordos mining areaGAO Jiaming, QIN Xufeng, ZHU Yanfei, YANG Guangyu, CHENG Shizhong, CHEN Xuehui, LI YanSpecial Topic11-203Establishment and application of hydraulic unloading technology system for gob-side working faces with thick and hard roofQIN Zihan, LI Fuhong, ZHANG Lei, GAO JiamingSpecial Topic21-284Application and effect analysis of surface hydraulic fracturing for preventing rock bursts in thick hard roofsYANG Guangyu, XU Gang, LIANG Shichang, LU Chuang, WANG Binchang, JIN Xin, SHENG PengfeiSpecial Topic29-365Layout method of hydraulic fracturing in bedding horizontal boreholes in thick-hard roof strataGAO Fuquan, HAN Lingchen, GAO Quanwu, XIE Fei, SUN RudaSpecial Topic37-456Rockburst prevention mechanism and effect of surface fracturing for pressure relief in gob-side working facesWANG Binchang, YAN Yaodong, JIN xin, GUO Deng, SHENG Pengfei, BAI JianfeiSpecial Topic46-527Rockburst prevention mechanism and engineering application of surface hydraulic fracturing in thick-hard roofs of deep mines in Yuheng mining areaWANG Chungang, WANG Wenzhong, BAI Junjie, LU Jianping, ZHOU Hao, LU ChuangSpecial Topic53-598Staged fracturing with super-long horizontal boreholes for rock burst prevention in coal seams under thick and hard roofsZHAO Qian, ZHOU Jinlong, MA Ping, XIA Yongxue, GAO Jingyong, DU Taotao, FU Qiang, WU JianhongSpecial Topic60-679Spatiotemporal evolution of fractures in hydraulic fracturing for roof cutting and pressure relief in Menkeqing Coal MineWU Shaoguo, WANG Yuanjie, SU Shijie, ZHAO Qian, LIU Ning, LI YanSpecial Topic68-7710Multi-field coupling laws and engineering application of pressure relief gas through ground well coal extraction and cavity creationTONG Xiaozhang, YE Chunhui, WEN Hongda, XU Hexiang, LIU TingProduction Technology78-8711Rock burst mechanism and prevention for irregular working face in the area affected by complex fault structureLIU ChangProduction Technology88-9712Characteristics of overburden"three zones"and the optimization of pressure relief gas extraction in roof cutting pressure reliefGAO Xiancheng, CHENG Zhiheng, WANG Peng, CHEN Liang, ZHOU LijieProduction Technology98-10713Research on underground deep treatment process of high hardness and high salinity mine waterWANG Yongbiao, ZHANG Kang, WANG Xintong, XIE NanProduction Technology108-11414Energy efficiency optimization for water systems in coal mine refrigeration stations based on measured dataLUO WeiProduction Technology115-12215Current situation and geological challenges of shaft sinking in Cretaceous strata of the Ordos BasinFAN Wenbo, ZHAO Xiaodong, FENG Xuhai, SHENG Shuai, JIAO Wei, ZHOU Guoqing, ZHAO GuangsiResearch and Discussion123-13116Microscopic propagation of hydraulic fractures under different confining pressure and stress differencesZHANG Pengfei, FENG Gourui, WANG Pengfei, FAN Yijiang, WEN XiaozeResearch and Discussion132-13817Study on proportion optimization and damage constitutive model of coal-based solid waste cemented backfillFAN DonglinResearch and Discussion139-14818Study on overlying strata movement in gob-side entry retaining by roof cutting pressure relief based on quantitative fracture characterizationXI Zetao, GUO Junqing, ZHANG Baisheng, LIU Xiaowang, REN Xiaoyang, YANG Yongyong, LI JianfeiResearch and Discussion149-15519Shearer positioning method based on anti-disturbance cubature Kalman FilterMA Rui, SONG Jiancheng, GENG Pulong, TIAN Muqin, SONG Danyang, XU Chunyu, CHANG Mengxiao, ZHANG Jie, LI LeiResearch and Discussion156-16320Target detection technology for coal mine gripper robot based on image and laser point cloud fusionWANG Jingyang, ZHANG Shiyuan, WANG Lianfa, JI Chunlei, DIAO Xiuqiang, YU XiaoResearch and Discussion164-171 