1Research on deep-hole blasting cutting top and relief along-the-pillar leaving support technologyLYU Yanguo1-72The key technology of water inrush and flood shaft control in railway tunnel shaft through structural fracture zoneSUN Houwei, DENG Xin8-133Application of cross-hole seismic wave CT technology in the detection of grouting effect in multi-layer goaf in coal mineWANG Sulong14-18,244Application of informatization monitoring technology during mine shaft construction in western ChinaSHENG Shuai19-245Application of concrete structure strengthening technology in coal mine buildings and structures constructionWANG Qun, YUAN Dongfeng, TENG Deqiang25-28,356Research and analysis on the in-situ repair technology of subway tunnels using a combination of liquid nitrogen and saltwater freezingZHOU Shuqing, LIU Linlin, WANG Zongjin, QI Yanqiu, LIN Jian, DENG Wenjie29-357Practice and comparison of several applicable schemes for temporary change of shaft mine hoistCUI Xiwang, ZHANG Qiaoliang, GAO Changqi36-418Technical study on the ground regional treatment of floor confined water in Xipang Well of Dongpang MineMA Hongfei, DI Junchen, WANG Guoniu, NIU Yanting, LI Shubin42-489Research and application of"hole instead of alley"gas control technology in 3502 working face of Huoerxinhe MineXU Qi, WANG Hu, MA Jiaxing, YIN Liangshuai49-52,3510Study on the law and control technology of strata behaviors during the fully mechanized mining face passing through coal pillar in goafZHANG Xiangdong, CHEN Sijia, ZHOU Yunshuai53-5611Experiment study on the impact of gas adsorption on the tri-axial mechanical properties of coalZHAO Qingquan, SUN Fulong, ZHOU Wenbin, MA Xingen, FU Shuping, WU Bin, LI Lei57-63,4812Study on the distribution law of freezing temperature field at the interface between frozen soil and pipe segment in super large diameter tunnel connecting channelLI Ming, CUI Hao, WANG Lei, CHEN Honglei64-7013Numerical simulation study on controlled blasting energy gathering hole angle around the bottom of the Boli mineLIU Xiaofeng, LYU Yan71-75,8014Study on remote real-time interactive fault diagnosis technology for coal mine hoistMENG Xiangyu, XU Feng76-8015Stability analysis of surrounding rock by large section open shield excavation near coal seam under goafWANG Chuanbing, HU Yang, LIU Bin, CHEN Jianben, SANG Haomin, XU Bin, HUANG Xing, QIN Lixue81-88,8016Reasonable parameter selection of pre-tight anchor for roadway crossing fault fractured zoneYANG Ling89-94,80 