1Excavation and Lining Construction of Mine Freezing Shaft Passed through Thin Base Rock and Thick SeamZHANG Wei-min, QIN Xu-feng1-32Construction on Ore Pass Blind Shaft in High Stress and Low Grade StrataZHENG Jian-xin, ZHAO Ming-xiang, ZHANG Jun-wen, JIANG Song-bai4-83Support Technology of Large Diameter Coal Bunker in Deep Complicated StrataXIN Chang-wei, MA Jun-jie9-10,224Application of Small Dewatering Well to Open Cut Construction of Mine Inclined ShaftLI Zhong-hua, LIU Hai-tao11-12,455Construction on Alluvium Section of Mine Inclined Shaft Passed through Underneath of Workshop BuildingLI Xue-feng13-156Optimization and Application of Comprehensive Dust Prevention Technology in Fully Mechanized Coal Mining Face of Tashan MineSONG Ying-liang16-197Design and Construction on Reinforced Ring of Small Wall Crib at Mine Shaft Collar SectionZHOU Xin-qing, LI Feng-guo, LIU Jing-shuang, QI Ke-hui20-228Calculation and Analysis on Ultimate Loading Characteristics of Concrete Segments and Segment JointsLI Shou-ju, SHANGGUAN Zi-chang, LI Yu-tao, ZHANG Jun23-27,89Study on Performance Test of Mine High Flowability Backfill MaterialFENG Hua28-3110Forward Numerical Simulation of Two-Dimensional High Density Resistivity for Aquiferous Collapse Columns in Coal MinesWU Rong-li32-3511Study on Movement Deformation Numerical Simulation of Overburden Rock Strata and Surface Ground in Multi Seam MiningYANG Li-xin, ZHANG Qing36-38,4512Discussion on Ventilation Design of Mine Roadway Heading Face in Capital Construction Engineering of Metal MineZHAO Ming-xiang39-4513Mechanized Match Operation Line Applied to Construction of Mine Large Cross Section Rock RoadwayXU Jin-gen, ZHAN Chun-dao, SHAO Ze-qu46-48,3114Existed Problems and Countermeasures of Fully Mechanized Roadheader in Mine Construction EnterprisesXIAO Qi-fang, CHEN Yu-bao, LI Jing, XU Ken, MA Jian-feng49-53,5815Analysis on Site Measured Data of Ground Horizontal Freezing in Cross Passage of Metro SystemCAO Hua-chun54-58 