1Equipment and key technologies for full-section scientifically drilling of kilometer-level vertical shaftsLIU Zhiqiang, SONG Zhaoyang, CHENG Shouye, JI Hongguang, TAN Jie, JING Guoye3645-36562Critical failure of overlying rock strata and its criteria induced by high-intensity longwall miningGUO Wenbing, ZHAO Gaobo, BAI Erhu3657-36663Types,occurcenec mechanism and prevention of overall istability induced rockbursts in China coal minesZHU Sitao, JIANG Fuxing, LIU Jinhai, MA Yuzhen, MENG Xiangjun, ZHANG Xiufeng, JIANG Yiwu, QU Xiaocheng, WANG Baoqi3667-36774Prediction model for increasing resistance of hydraulic support due to slow motion of the roof in mechanized mining working faceXU Gang, ZHANG Chunhui, ZHANG Zhenjin3678-36875Threat level assessment of flying gangue in steep coal seam miningLIU Ming, WU Yongping, GENG Shuang, DUO Yili, LÜ Wenyu3688-36956Stability mechanism of non-pillar gob-side entry retaining by roof cutting under the coupled static-dynamic loadingHUA Xinzhu, LIU Xiao, HUANG Zhiguo, YANG Peng, MA Yan3696-37087Dynamic mechanical properties and strain rate effect of boltsWU Yongzheng, FU Yukai, ZHENG Jianwei3709-37168Stress distribution characteristics of roadway surrounding rock damaged zone under non-hydrostatic pressureWANG Hongwei, ZHANG Dengqiang, DENG Daixin, JIANG Yaodong, LIU Yangyang3717-37259Elastic analysis of full stress and displacement field for inclined shaft liner subjected to non-uniform stressesYANG Renshu, WANG Qianxing3726-373410Particle flow analysis of crack propagation characteristics of hole-type trident cracks sandstoneLI Xuehua, NIU Zhijun, YAO Qiangling, WANG Weinan, YU Liqiang3735-374711Mechanical properties of discontinuity in rock mass with different inclination angles under cyclic dynamic disturbanceYU Yongjiang, LIU Feng, YUE Hongliang, ZHANG Wei, ZHANG Shipeng, WANG Pengbo3748-375812Interaction analysis of two collinear cracks with unequal length under the condition of unloadingWANG Jianming, WANG Yanting, CHEN Zhonghui, ZHOU Zihan3759-377113Prediction model of rockburst intensity classification based on combined weighting and attribute interval recognition theoryYIN Xin, LIU Quansheng, WANG Xinyu, HUANG Xing3772-378014Morphological characteristics of ground fissures at surface coal mine dump in northern grassland of ChinaLI Yexin, LÜ Gang, WANG Daohan, DIAO Lifu, LI Chaohui, DONG Liang, DU Xinpeng3781-379215Test on the slope stability of full-section high dump under rainfallTAO Zhigang, LI Huaxin, CAO Hui, PANG Shihui, WANG He3793-380516Evolution mechanism of fracture structure of loaded coal under different unloading ratesLIU Yongqian, HAN Guofeng, WANG Weihua, HUO Zhonggang, MENG Tao3806-381617Isothermal adsorption and swelling deformation characteristics of soft coal under different moisture contentZHANG Zunguo, ZHAO Dan, CHEN Yi3817-382418Methane weathering zone division method and influencing factors of low-rank coalbed methane in Urumqi Mining Area,Southern Junggar BasinYANG Shuguang, XU Hao, WANG Gang, WANG Qiong, REN Pengfei, DONG Wenyang3825-383219Effect of liquid nitrogen on structural damage of coal samples with different jointsLI Hewan, LIU Jian, WANG Laigui, ZUO Jianping3833-384020Effects of microbial anaerobic metabolites on nanoporosity of anthraciteZHANG Panpan, GUO Hongguang, DUAN Kaixin, CHEN Chao, LIANG Weiguo3841-3852 