1Coal mine intellectualization:The core technology of high quality developmentWANG Guofa, LIU Feng, PANG Yihui, REN Huaiwei, MA Ying349-3572Mechanism of disaster induced by dynamic instability of coal pillar group in room-and-pillar mining of shallow and close coal seamsZHU Weibing, XU Jialin, CHEN Lu, LI Zhu, LIU Wentao358-3663Coal wall failure mechanism of longwall working face with false dip in steep coal seamYANG Shengli, ZHAO Bin, LI Lianghui367-3764Rock burst prevention technology based on seismic CT detection in wide section coal pillarSUN Liuwei, JU Wenjun, PAN Junfeng, ZHAO Zhongxian, XIA Yongxue, FENG Meihua, FU Yukai377-3835Electromagnetic wave CT evaluation method for rock burst hazard in near field based on rock burst start-up processLIU Shaohong, PAN Junfeng, WANG Hongtao, TANG Zhongyi, XIA Yongxue, CAO Yanfu, ZHANG Chenyang384-3966Mechanism of roadway floor heave and control technology in fault fracture zoneWANG Jun, HU Cunchuan, ZUO Jianping, WANG Bo, MAO Qingfu, DING Hougang, ZHAO Nannan397-4087Research and engineering application of high pre-stressed resistance enhancement large deformation bolt in deep soft rock roadwayZHANG Hongjun, LI Haiyan, ZHANG Taiping, WANG Qiang, WANG Wei, WANG Xin, ZHAO Hui, CHANG Tao, GUO Tianchan409-4188Approximate solution on plastic zone of roadway surrounding rock under unequal compression in two directions by considering rheologyDONG Hailong, GAO Quanchen419-4269Macroscopic and microcosmic consolidation law of loose coal grouting based on the "two media-three interfaces" modelLI Guichen, SUN Changlun, SUN Yuantian, CUI Guangjun, QIAN Deyu427-43410Influence of confining pressure on stress wave propagation character-istics in red sandstoneJIN Jiefang, WANG Jie, GUO Zhongqun, LIANG Chen, YUAN Wei, WU Yue, ZHANG Rui, WANG Xibo435-44411Mechanics characteristics of cemented filling and surrounding rockWANG Mingxu445-45312Effect of loading and unloading rates on mechanical properties and energy characteristics of sandstone under true triaxial stressYIN Guangzhi, MA Bo, LIU Chao, LI Minghui, LU Jun, YIN Siyu454-46213Dynamic mechanical constitutive model of combined coal-rock mass based on overlay modelXIE Beijing, YAN Zheng463-47214Experimental investigation on the effect of water content on the short-term and creep mechanical behaviors of red sandstoneYU Chaoyun, TANG Shibin, TANG Chunan473-48115Experimental study on crack propagation with pre-crack under explosion loadYANG Renshu, SU Hong482-48916Characteristics and control technology of breathing phenomenon of sealed goaf in low-gas minePENG Bin, NIE Baisheng, SHEN Jiesheng, LIU Pengcheng, GE Ze490-50117Experimental study on the characteristics of methane explosion and propagation in closed space with weak constraint structureWANG Yajun, JIANG Shuguang, WANG Lei, SHAO Hao, WU Zhenyan, WANG Kai502-50818Variation law of coal specific surface Gibbs function in gas adsorption processLI Xiangchun, ZHANG Mengting, LI Zhongbei, NIE Baisheng, CHEN Zhifeng, YUE Chao509-51919Characteristic of weight loss and heat transfer for the imidazolium-based ionic liquids treatment coalXIAO Yang, YIN Lan, L(U) Huifei, LIU Chengzhi, CHEN Weile, LI Dajiang520-52720Inhibition characteristics of polymer suppressant on fine particles in lignite minesYANG Shuying, ZHOU Lei, YANG Linjun, YANG Chao528-535