1Experimental study on mechanical characteristics and damage degradation mechanism of conglomerate under drying-wetting cyclesCHEN Shaojie, XUE Shouzhen, YIN Dawei, WANG Yabo, QU Xiao, MA HongfaFundamental Research1-172The influence of abrupt changes of coal dip angle on coal and gas outburst and impact evolution characteristicsTANG Jupeng, HUANG Lei, PAN Yishan, ZHANG Xin, REN Lingran, ZHANG ZhonghuaFundamental Research18-323Research on mechanism and parameters of reaming anchorage for grouted anchor cable in roadway floorLIU Shaowei, ZHANG Runze, HOU Jianjun, YAO Bing'ao, FU Mengxiong, HE DeyinFundamental Research33-464Damage characteristics and energy evolution mechanism of heterogeneous granite under true triaxial dynamic and static loadingGONG Hangli, WANG Mingyang, LUO Yi, QIU Yanyu, LIU Tingting, LI XinpingFundamental Research47-635Study on damage characteristics of coal under uniaxial compression based on Micro-CT and DVCYU Yanbin, NI Chuanwen, CUI Wenting, ZANG Jie, LIU Danghui, SONG KezhiFundamental Research64-776Study on mechanical properties of fractured sandstone under stress-seepage coupling conditionsZENG Bo, FENG Jiangrong, QIN Ken, XU Ersi, WANG Lu, LI Ruigen, LIU JianfengFundamental Research78-887Dynamic evolution and damage fracture characteristics of coal mass during confining pressure unloadingLEI Guorong, LI Chunyuan, CUI Chunyang, WANG Jiamin, LI Xiangshang, YUAN Honghui, LIU HuaguangFundamental Research89-1008Intelligent identification of water inrush path of floor with fault based on A-Star algorithm in deep coal seam miningSUN Wenbin, SUN Zhihui, LIU Hongqiang, CHU YixinFundamental Research101-1149Fracture characteristics and deformation evolution of sandstone in grout-reinforced holesSU Haijian, ZHANG Luqing, WU Chen, CHEN Guofei, ZHANG BoyangFundamental Research115-12710Deformation and failure behavior of fractured rock roadway:physical simulation with 3D printingWANG Zongke, JIANG Lishuai, LIU Yulei, HE Xin, ZHAO Wusheng, HUANG YifengFundamental Research128-14011Thermo-hydro-mechanical-chemical characteristics of mining-integrated geothermal systemsWEI Xi, ZHU Meng, ZHANG Yuzhong, RUAN Zhuen, WANG Yong, YANG Xingguo, LU GongdaFundamental Research141-15112Research on the characteristics of overlying rock fracturing in roadway maintained by roof cutting and connecting adjacent goaf and its applicationLIN Haifei, LIU Sibo, LI Shugang, SHUANG Haiqing, TIAN Yu, LUO Rongwei, CHEN Zhiheng, GOU RuiEngineering Case152-16513Study on roadway layout optimization and coal pillar stability under the influence of denudation areaXIE Panshi, ZHANG Bo, HUANG Baofa, ZHANG Hao, LU Bei, LEI Erhui, WANG Xi, LIU XinEngineering Case166-182 