1Research on Causes of Abnormal Water Emitting from Hydrological Hole and Judgment Methods of Frozen Wall Connection for Construction Shaft by Freeze Sinking Method in Coal MineTANG Yongzhi, TANG Jiangming, YAO Zhishu1-52Raise Boring Technology of Large Diameter Blind Shaft in Phosphorus MineGAO Feng, JING Guoye6-103Safety Evaluation on Water Prevention and Control of Baiji Coal MineSHANG Zhenping11-134Water Inflow Prevention and Control Technology with Grouting in Mine Dynamic Pressure Roadway under Syncline StructureMA Bing14-16,345No. 3807 Fully Mechanized Coal Mining Face of Daxian Mine Passed through Fault with Standing BlastingQIN Huaizhu, QIN Xuzhi17-196Pre-Treatment of Recycled Aggregates Affected to Mechanics Performances of ConcreteZHANG Jingshuang, ZHANG Fangde20-247Optimized Analysis on Water Drainage Plan of Group Wells Based on Numerical SimulationZHANG Jiale25-298Research ,Development and Application of Intelligent Monitoring and Early Warning System to Super Cycle Operation of Mine Roadway HeadingCHEN Zhen, FU Wenjun30-349Calculation on Horizontal Offset and Safety Clearance of Mine Hoisting Container with Steel Rope Guide in Deep Mine ShaftXU Changlei, DU Guiwen, SUN Yang, CUI Chuanjie35-3910Study on Drilling through Strata Borehole and Drilling along Stratum Borehole Affected to Gas Drainage RadiusWANG Qiaolei40-4311Study on Assembling Technique of Main Machine for Mine Shaft Boring MachineHE Yunhong, JING Guoye, CHEN Yun, HAN Yunlong44-4912Research ,Development and Application of Mechanized Roadheader to Mine High Gradient Rock Roadway in Huaibei Mining AreaHUANG Yishou50-5313Three Dimensional Numerical Analysis on Freezing Temperature Field in Subway Cross-PassageDING Hang, LI Fangzheng, CUI Hao54-57,1014Long Distance Horizontal Grouting Technology Applied to Metro System Passed through above Available BuildingsZHOU Moyuan, GAO Gangrong, FENG Xuhai58-60,49 