1Technology and engineering development strategy of water protection and utilization of coal mine in ChinaGU Dazhao, LI Jingfeng, CAO Zhiguo, WU Baoyang, JIANG Binbin, YANG Yi, YANG Jian, CHEN Yaoping3079-30892Study on the first fracture of the main roof plate structure with one side goaf and elastic-plastic foundation boundaryCHEN Dongdong, WU Yiyi, XIE Shengrong, HE Fulian, SUN Yaohui, SHI Songhao, JIANG Zaisheng3090-31053Numerical simulation of tunnel roof cracking mechanism under periodic impact loadsWANG Xuebin, LIU Tongxin, TIAN Feng, QIAN Shuaishuai3106-31154Method of double-cycle analysis and prediction for rock pressure based on the support loadYIN Xiwen, XU Gang, LIU Qianjin, LU Zhenlong, YU Qiuge, ZHANG Zhen3116-31265Research and application of new prestressed anchor-grouting support for special open-off cut in soft-thick coal seamZHANG Jinpeng, LIU Limin, LIU Chuanxiao, WEN Guangcai, LI Qinghai, SUN Dongling, SHAO Jun, ZHANG Jie, SUN Liqing, DI Guangqiang3127-31386Analysis of pressure arch formation and rockbolt function in gravel boltingWANG Xiaoqing, KANG Hongpu, GAO Fuqiang, LOU Jinfu, LI Jianzhong, YANG Lei3139-31477Backfilling quality-efficiency-benefit relation and its optimal control method for solid backfilling miningWU Zhongya, ZHANG Qiang, ZHANG Hao, ZHENG Qingxue, LIU Hongjun, TIAN Xiuguo3148-31578Thermal-mechanical properties and heat transfer process of heat storage/energy storage backfill body in mineZHANG Xiaoyan, WEN De, ZHAO Yujiao, LIU Lang, ZHANG Bo, HUAN Chao, WANG Mei, TU Bingbing3158-31719A review of the research on the mechanism of hydro-shearing in geothermal reservoirZHANG Hongwei, WAN Zhijun, ZHAO Yixin, ZHANG Yuan, LU Shuaifeng3172-318510Optimization on working face length of blast casting stripping system in comprehensive technologyMA Li, ZHANG Jianguo, LAI Xingping, SUN Jiandong, LIU Chendong, LUO Qiang, HAN Liu3186-319211Crack initiation of rock based on the minimum plastic zone radius criterionGAO Wei, CUI Shuang, XIAO Ting, CHEN Xin, ZHOU Cong, HU Chengjie3193-320212Experimental method and application of electrical explosion for breaking rock-like brittle materialsYAN Guangliang, ZHANG Fengpeng, HAO Hongze, GAO Jikai3203-321113Experimental investigation of gas explosion suppression by catalytic composite powder inhibitorYU Minggao, WANG Xueyan, ZHENG Kai, HAN Shixin3212-322014Quantitative characterization of pore structure and gas adsorption and diffusion properties of low-rank coalJIANG Jingyu, CHENG Yuanping, ZHANG Shuo3221-323315Application of deep learning-based seismic multi-attribute fusion technology in the detection of water conducting fissure zoneYUAN Feng, SHEN Tao, XIE Xiaoshen, MA Li, WEN Xiaogang3234-324416Effect of particle loss on the pore structure and emergent behavior of karst column fillsZHANG Tianjun, ZHANG Xiufeng, PANG Mingkun, LIU Nan, ZHANG Shuo, GAO Hangbiao3245-325417Occurrence state of rare metal elements in stone coal by chemical leaching methodZHANG Weiguo, YANG Jianye, LI Jun, LI Huantong, CHE Xiaoyang3255-326718Longitudinal propagation model of hydraulic fracture and numerical simulation in multi-layer superimposed coalbedYANG Zhaozhong, ZHANG Dan, YI Liangping, LI Xiaogang, LI Yu3268-327719Promoted microbial degradation of lignite by supercritical CO2 extraction to enhance coalbed methane productionZHANG Yujie, GUO Hongguang, LI Zhigang, LIANG Weiguo3278-328520Coal reservoir energy and its impact on CBM exploitation:Illustrated by the case of Zhengzhuang blockXIAO Yuhang, ZHU Qingzhong, YANG Yanhui, LIU Zhong, LU Xiuqin, Lü Shuaifeng, ZHOU Qiucheng, ZHANG Chen, WANG Gang, WANG Yuting3286-3297 