1Application of advanced surface treatment technology of regional water disaster in Zhaogu No.1 MineAN Xuliang1-112Waterproof and impermeable shaft construction technologyGUAN Nan, LI Erhai, LIU Zhenjiang, FAN Xiaoping, DING Xiaolei, ZHANG Xingshi12-163Research on drilling technology of middle-deep geothermal well in Yuxian BasinZHANG Jiefeng, CHANG Xiaolei, CHEN Yue, REN Haitao, ZHAO Zhiling, WANG Bingyu17-264Application of grouting technology in reinforcement of shaft guide supportWANG Qun, JING Jubin, WANG Yuan27-295Study on freezing technology of water-rich rock strata near kilometers of intake vertical shaft in west Gaojiapu Coal MineCHEN Hairui, ZHANG Xueru, WAN Xiubo, LI Guoyuan, WANG Wei30-356Application of freezing water seal band in inclined shaft freezing in water-rich sand layerCHEN Xiaofeng, WANG Zongjin, QI Yanqiu, XU Lin36-407Application of deep hole mold bag grouting technology in water inrush control in underground mineXIANG Junxing, LI Dongli, YANG Hongjun41-468Comprehensive treatment technology for roof fall of roadway in complex water-bearing formationWANG Le, ZHAO Mingxiang47-519Experimental study on coal gangue cemented filling material of high concentration and high fluidityTENG Deqiang52-6110Study on ventilation cooling and heat damage control technology of marine facies ultra-deep high-temperature rock roadway excavationYANG Anhong, GAO Yanfeng, WANG Yang, LIU Jinning62-6711Research on the method of determining the closure of deformed freezing wall in subway transfer channelYE Yuxi68-7312Analysis of mechanical rock-breaking factors of blind shaft sinking machine in the thick bedrock formations in western regionsWANG Yuan, SONG Zhaoyang74-8013Research and development on energy pile technologyZHANG Renjie, LIU Xuefan, ZHAO Jingrui, ZHA Runyang, YE Yuqin, HE Kerui81-8914Study on blackout time detection technology of coal mine safety monitoring systemYAO Yuwei90-93