1Evolution law and engineering application of surrounding rock force chain in shallow coal seam working faceXIE Guangxiang, FAN Hao, WANG Lei2945-29522Control principle and technology and instability mechanism of surrounding rock in weak regenerated roofWANG Ping, FENG Tao, JIANG Yunliang, LIU Hai, LI Lixin, YU Weijian, ZHU Yongjian, LU Yi2953-29653Analysis of stress distribution characteristics of fully anchored bolt based on actual surrounding rock deformationLI Yingming, ZHAO Chengxing, CONG Li, MENG Xiangrui, DONG Chunliang2966-29734Experimental study on the movement law of roof in pitching oblique mining area of steeply dipping seamXIE Panshi, TIAN Shuangqi, DUAN Jianjie2974-29825Energy and damage characteristics of shaft lining concrete subjected to impactLIU Juanhong, ZHOU Yucheng, YANG Haitao, FU Shifeng, GU Yu2983-29896Flexural toughness evolution of basalt fiber reinforced shotcrete based on NMR technologyJIAO Huazhe, HAN Zhenyu, CHEN Xinming, YANG Yixuan, WANG Yunfei2990-29987Characteristics and evolution mechanism of acoustic emission time-frequency signal during coal failure processDING Xin, XIAO Xiaochun, L(U) Xiangfeng, ZHAO Tongbin, YIN Yanchun, SONG Yimin, YANG Xiaobin, PAN Yishan2999-30118Study on the element volume of permeability characteristics in fractured rock mass based on RFPA2D-flowWANG Zhenwei, MA Ke, TIAN Hongyuan, LI Quansheng3012-30219Effects of different bedding plane strength on crack propagation process under three points bendingHAN Weige, CUI Zhendong, TANG Tiewu, ZHANG Jianyong, WANG Yizhao3022-303010Sliding mode and deformation law of double weak interlayer rock landslideLONG Jianhui, REN Jie, ZENG Fangui, L(U) Yiqing3031-304011Evolution characteristics of sliding displacement of rock interface under cyclic loadingYANG Xiaobin, ZHOU Jie, SONG Yimin, HAN Xinxing3041-304812Crack propagation law of two-hole blasting under different angles of prefabricated fissureSHEN Shiwei, LI Guoliang, LI Dong, LIAO Wenwang, XU Yan3049-305713BFGS method based inversion of parameters in probability integral modelYANG Jingyu, LIU Chao, WANG Bin3058-306814Early-warning method of rock collapse and its experimental verificationDU Yan, WU Zhixiang, XIE Mowen, LIU Richeng, CHEN Chen3069-307515Parameters optimization of dragline working platform based on nonlinear programmingXIAO Shuangshuang, DING Xiaohua, MA Li, DONG Guowei3076-308416Automatic image recognition system and key technologies of maceral groupSONG Xiaozhong, ZHANG Qun3085-309717Change and mechanism of liquid phase products in coal fermentation cogeneration of hydrogen and methaneXIA Daping, ZHANG Huaiwen, HUANG Song, DONG Zhiwei, SU Xianbo3098-310618Performance and mechanism of photocatalytic oxidation of low concentration coal-mine gas into methanol in mesoporous WO3/H2O2 systemYANG Juan, HAO Jingyi, DAI Jun, WEI Jianping, WANG Yungang3107-311619Molecular simulation of methane adsorption behavior on clay minerals in shaleL(U) Zhaolan, NING Zhengfu, WANG Qing, HUANG Liang, MENG Han, YU Xiongfei, QIN Huibo3117-312420Evaluation of fracturing effect of coal reservoirs in Shouyang and Shizhuang CBM blocks and analysis of influencing mechanismSUN Tianzhu, KANG Yongshang, ZHANG Xiaona, DENG Ze, HUANGFU Yuhui3125-3134 