1Numerical simulation study on stress-displacement evolution law during ground filling drilling processXIE Fuxing1-62Research on the regularity and control technology of mine pressure in the region of coal seam thickness variation in steeply inclined coal seam by horizonal sectional mining methodGU Yadan7-113Advanced support design of No.2 shaft without support and anchor cable reinforcement in Sihe Coal MineTIAN Peng, YAO Sumeng, XU Dalong12-18,344Research on synergistic technology of surrounding rock control of large cross-section roadway in thick coal seamHUO Guoqing, YU Guofeng19-245Coal mine shaft concrete lining crack repair technologyTANG Minggao25-276The attempt of cross-hole resistivity CT technique to check the effect of ground pre-grouting in the shaftZUO Yongjiang, CHEN Zhenguo, LI Shengsheng, AN Xuliang28-347Research on optimization design of supporting parameters of ventilation oxidation zone in driving roadwayTIAN Haibo, PENG Yanghao, ZHANG Heng, TIAN Libo, LIU Haijun, JIA Xiaoyu35-438Optimal design of safety technology of nitrogen injection and fire prevention for 8101 working faceQIN Wei44-489Research on the method of identifying false alarms in coal mine gas sensing signalsYANG Zequan49-5410Study on dust field model and influencing factors of the air outlet of the fully mechanized excavation faceGUO Yinglong55-5911Numerical simulation study on the airtightness of protective sealed doors in coal mine movable refuge chambersLIU Zhitong60-64,5412Deformation law and stability analysis of surrounding rock in shallow buried and complex conditionsGUO Xiaoliu, MENG Xiangtian, XIE Fuxing65-6913Research on special sinking technology for ultra-deep soil layerJI Huaihai, ZHAI Jinghui70-7414Monitoring method and analysis of caving mining subsidence area in Jinchuan Copper-nickel Mine based on multi-source dataLIU Pengshan, LIU Yueshan, WANG Kaiying, LIU Ping, ZHEN Zhen, CHE Shan, YAN Keqi75-8115Risk source analysis and countermeasure research of freezing method of metro connection channel based on LEC evaluation methodLI Konggang82-8716Experimental study on tensile strength and pore distribution of granite by laser irradiationWU Bo, LIU Lin, YU Dongxu, WANG Jianzhou, WANG Yijiang88-94,74 