1Development and prospect of cement-based grouting materials for coal mineZHAO Guangming, WANG Yanfen, AI Jie, CHENG Xiang, LI Yingming, MENG Xiangrui, GU Qingheng1-222The key concepts and construction strategy of intelligent surface minesSUN Jiandong, ZHANG Ruixin, BAI Runcai, LI Huizhi, LIU Guang, SUN Xiaoyu, WANG Zhongxin, ZHAO Kui, CHEN Jie23-333Fractal characteristics of pore structure and nonlinear deterioration mechanism of weakly cemented siltstone under alkaline water effectFAN Gangwei, LUO Tao, ZHANG Dongsheng, ZHANG Shizhong, FAN Zhanglei34-454Morphological characteristics and quantitative discriminant method of superimposed plastic zone expansion of surrounding rock of repeated mining roadwayWU Xiangye, WANG Jingya, GUO Xiaofei, WANG Eryu, CAO Jian, PANG Zheng46-58,1055Study on seepage characteristics of coal fissures with variable apertures based on CT 3D reconstructionWANG Gang, CHEN Hao, CHEN Xuechang, YANG Baodong59-676Characteristics of high-temperature steam fracturing and seepage-heat transfer of meter-scale oil shale under the constraint of geostressWANG Lei, ZHANG Rui, ZHAO Yangsheng, YANG Dong, MENG Qiaorong, ZHANG Hongge, KANG Zhiqin68-787Tensile test analysis and strength-fractal model on different pH water infiltrate coal specimensXIN Yajun, YANG Junpeng, CHU Weiquan, ZHANG Dongying, GAO Zhongguo, REN Jinwu, DONG Hongjuan79-928Evolution of fracture and failure state characterization of coal based on CT scanningZHU Chuanqi, XIE Guangxiang, WANG Lei93-1059Research on erosion characteristics of deep-sea sediment:Coanda-effect-based hydraulic collectorLI Zhengqi, CHEN Xuguang, WEI Jiakang, LUAN Lubao, LIU Xixi, WANG Lizhen, JIN Shuai106-115,13110Preliminary study on quantitative calculation of coal surface relaxivity based on particle packing methodXU Jizhao, XU Hexiang, ZHAI Cheng, DING Xiong, SANG Shuxun, LI Quangui, SUN Yong, YU Xu, CONG Yuzhou, ZHENG Yangfeng, TANG Wei, NIU Jizhan, GENG Jinjun116-13111Experimental study on multi-pulse characteristics of pressurized pulsed water jetZHANG Yangkai, LU Yiyu, TANG Jiren, LI Qian, LING Yuanfei, LONG Haiyang132-14012Characteristics of pore differences between different lithofacies of continental mixed shale and the influencing mechanism:An example from the Permian Lucaogou Formation in the Jimusar DepressionHE Xiaobiao, LUO Qun, LI Xin, LI Yingyan, DENG Yuan, QIU Zhaoxuan, WEI Bo141-157,21013Geochemical characteristics analyses of terrigenous clastic rocks in deep-water ponded basin:A case study from Upper Ordovician Lashenzhong Formation in Zhuozishan area,Ordos BasinLI Xiangdong, WEI Zeyi, CHEN Haiyan158-17514Research on dynamic characteristics of complete dynamic model of vibrating screen based on spatial six degrees of freedomFAN Guoshuai, LIU Chusheng, LOU Yunli, WU Jida, LIU Hongyuan, LI Sai, HE Deyi176-18515Hydration dynamic process and hydration mechanism of alkali excited flotation tailings filling materialFAN Yuping, LI Dehao, DONG Xianshu, MA Xiaomin, FU Yuanpeng186-19716Quantitative identification method of landslide hazard in rare earth mining area based on multi-source dataDAI Meiyi, LI Hengkai, LONG Beiping, WANG Xiuli198-210 