1Analysis of fracture mode transformation mechanism and mechanical model of rock strata with different thicknessesZUO Jianping, YU Meilu, SUN Yunjiang, WU Genshui1449-14632Mechanism of grouting diffusion and consolidation of rock mass based on D-Rb-C coupled modelZHANG Hongwei, JIANG Han, LIU Shiqi, ZHAO Yixin, SUN Xiaodong, PING Qi, LIU Bin, ZHANG Tong1464-14753Determination method of fatigue strength and precursors of fatigue failure of porous weakly cemented siltstoneLIANG Mingchun, MIAO Shengjun, CAI Meifeng, HUANG Zhengjun, WANG Hui1476-14864Influence mechanism of contact surface mechanical properties on mechanical behavior of coal rock combinationFAN Yufeng, XIAO Xiaochun, DING Xin, XU Jun, WANG Aiwen, LEI Yun1487-15015Anisotropy and energy evolution mechanism of rock mass under true triaxial loading-unloadingXU Wensong, ZHAO Guangming, MENG Xiangrui, LIU Zhixi, LIU Chongyan, QI Minjie1502-15156Precise identification and threshold inversion of pores and fissures in CT digital coal rock based on Bi-PTI modelHAO Chenguang, GUO Xiaoyang, DENG Cunbao, ZHANG Xinghua, ZHAO Bo, WANG Xun1516-15267Influence of area-to-volume ratios on dissolution characteristics and mechanical properties of acid-corroded sandstoneLIANG Yanling, HUO Runke, SONG Zhanping, MU Yanhu, XIONG Aihua, SONG Ziyi1527-15378Deformation and failure characteristics of gas drainage drilling-reaming coal mass in non-uniform stress fieldXU Chao, QIN Liangliang, WANG Kai, WU Shimin, ZHANG Rong, GUO Haijun, SHU Longyong1538-15509Experiment,modelling,mechanism and significance of multiscale and dynamic dif-fusion-permeability of gas through micro-nano series pores in coalLI Zhiqiang, CHEN Jinsheng, LI Lin, PENG Jiansong1551-156610Electrical response and pore structure evolution affected by cyclical plasma breakdownZHANG Xiangliang, LIN Baiquan, SHEN Jian, ZHU Chuanjie1567-158311Basic characteristics of mine dust suppression foam and the quantitative evaluation method of its performanceWANG Hetang, ZHANG Qi, WANG Deming, LI Xingcheng, XU Chaohang1584-159512Architecture and implementation of intelligent ventilation precise control systemZHANG Zhitao, LI Yucheng, LI Junqiao, ZHANG Jing, LI Bolun1596-160513Effect of calcium lignosulfonate on the deformation and failure characteristics of cementing stone and its modification mechanismZOU Quanle, WANG Xin, LI Zuoyuan, LIU Ying, WANG Weizhi1606-162114Impact of salinity of fracturing fluid on the migration of coal fines in propped fractures and cleatsHUANG Fansheng, SANG Shuxun, LIU Shiqi, CHEN Qiang, ZHOU Xiaozhi, WANG Meng1622-163315Automatic identification method of seismic fault based on LLE and SVMZOU Guangui, DING Jianyu, REN Ke, YIN Caiyun, DONG Qingshan1634-164416Research status and reduction strategies of methane emissions from closed/abandoned coal minesLIANG Yunpei, LI Zuoyuan, ZHU Shuancheng, CHEN Qiang, WANG Xin, QIN Chaozhong1645-166017Impacts of regreening on soil microbial community and its assembly process in open-pit mining area of the Loess PlateauYANG Yongjun, ZHAO Jiao, MA Jing, ZHU Yanfeng, XIAO Dong, CHEN Fu1661-167218Landform reshaping optimization of inner dump based on hydrological fusion in grassland open-pit coal mineXIA Jianan, LI Gensheng, LI Yuanyuan, BIAN Zhengfu, LEI Shaogang1673-168619Characteristics and sources of typical pollution components in mine water in the border area of Inner Mongolia and ShaanxiYANG Jian, WANG Hao, WANG Qiangmin, ZHANG Xiyu, WANG Tiantian1687-169620Numerical simulation on the migration and permeable reaction barrier purification of groundwater contaminated by UCGWANG Fan, CHEN Lunjian, XU Bing, MA Jiao, XING Baolin, SU Faqiang1697-1706