1Experimental study on the development mechanism of coal bump considering the clamping effect of roof and floorLI Haitao, LIU Jun, ZHAO Shankun, CAI Laisheng, QI Qingxin, KONG Linghai2951-29582Material-instability rock burst criteria based on the theory of strain gradient plasticityFAN Jinyang, JIANG Deyi, OUYANG Zhenhua, YANG Tao, CHEN Jie, LIU Wenhao2959-29663A coupled elasto-viscoplastic damage model based on strain energy theory of rock and applicationJIANG Peng, PAN Pengzhi, ZHAO Shankun, WU Zhenhua, CHEN Gang2967-29794Assessment of rock burst risk in roadway based on the combination of seismic and electromagnetic wave CT technologyLIU Shaohong, PAN Junfeng, WANG Hongtao, QI Qingxin, TANG Zhongyi, FENG Meihua, LOU Jinfu, ZHANG Yulong2980-29915Experimental study on friction properties and optimization of U-shape steel support jointsXU Lianman, PAN Yishan, CHEN Jianqiang, LIU Kunlun, WANG Aiwen2992-29986Static and dynamic performance of rebar bolts and its adaptability under impact loadingWANG Aiwen, GAO Qianshu, DAI Lianpeng, PAN Yishan, ZHANG Jianzuo, CHEN Jianqiang2999-30067Asymmetric seformation mechanism of roadway at steeply inclined thick coal seamCHEN Jianqiang, YAN Ruibing, LIU Kunlun3007-30158Investigation and application of high pressure water jet annularity slotting self pressure release mechanismZHANG Yongjiang, HUANG Zhenfei, LI Chengcheng3016-30229Coordinated prevention mechanism of pressure-relief and coal and rock properties modification for coal and gas outburst in deep mining of coal minesSHU Longyong, QI Qingxin, WANG Kai, LEI Yang, HOU Jinling3023-303210Erosive wear characteristic of rock impacted by abrasive gas jetLIU Yong, WEI Jianping, WANG Dengke, LIU Xiaotian3033-304111Mechanisms of rockburst and outburst compound disaster in deep mineZHU Liyuan, PAN Yishan, LI Zhonghua, XU Lianman3042-305012Experimental study on gray and texture features extraction of coal and gangue image under different illuminanceWANG Jiachen, LI Lianghui, YANG Shengli3051-306113Mechanism of instability of section coal pillar in steeply dipping seam based on large-scale strata control technologyWU Yongping, HUANGFU Jingyu, XIE Panshi, HU Bosheng, LIU Kongzhi3062-307114Disturbance characteristics of deep coal mass under the mining stress pathGUO Yibao, ZHOU Hongwei, RONG Tenglong, WANG Lujun, ZHONG Jiangcheng, REN Weiguang, CHEN Ji3072-307915Investigate on the fractal characteristics and acoustic emission of coal fractureDING Xin, XIAO Xiaochun, L(U) Xiangfeng, WU Di, WANG Lei, FAN Yufeng3080-308716DEM simulation of mechanical behavior of jointed coal in large scale under uniaxial compressionWANG Xiaoqing, KANG Hongpu, GAO Fuqiang, ZHAO Ke3088-309717Equivalent elastic model and strength properties for cross-jointed rock mass containing persistent and non-persistent jointsDENG Zhengding, WU Jianqi, SHANG Jiahui, XIE Li3098-310618Experimental study on acoustic emission characteristics of rock-like materials with different particle sizes under three-point bendingZHAO Kui, ZHOU Yongtao, ZENG Peng, LU Chunyan3107-311419Time-dependent behavior of acoustic emission feature parameters of sandstone under bending loadLI Tie, LI Kexuan, PI Xiyu, FANG Chuang3115-312120Technology of microseismic dynamic monitoring on coal and gas outburst-prone zoneHE Xueqiu, WANG Anhu, DOU Linming, SONG Dazhao, ZU Ziyin, LI Zhenlei3122-3129 