1Design on Production System of Mine Main Shaft in Hulusu MineWANG Xu-dong, ZHANG Ju, SONG JingDesign and Technology1-32Optimized Design on Gateway Layout Plan in No.82 Coal Mining Face of Qingdong MineYAN Qiu-yingDesign and Technology4-5,83Optimized Design of Cutting Head Structure for EBZ - 135 Mechanized RoadheaderLIU Ying-linDesign and Technology12-144Application of Mining Technology with Coal Rejects Backfilling Under Surface BuildingsXIE De-yuConstruction Technology31-335Technology and Application of Anchor and Reinforced Concrete Combined Support to Deep Mine Soft Rock RoadwayLIU Rong-JunConstruction Technology34-366Comprehensive Grouting Technology Applied to Seal Water Leakage (Flow) From Mine Shaft Liner in Full Depth Mine Freezing ShaftSHAO Hong-qiConstruction Technology40-427Type and Influence Control of Connected Pile for Pre -Stressed Pipe PileSHI San-yuan, YANG HuiConstruction Technology45-478Practices on Key Technology of Fully Mechanized Top Coal Caving Mining under Sliding Structure RoofSHI Yu-boProduction Technology48-499Practices on Comprehensive Control Technology of Floor Heave in Soft Rock Roadway of Linnancang MineLIU Jian-zhuang, WANG Zuo-tang, GONG Ping-yang, HUANG Wen-gangProduction Technology50-5210Study on Hydraulic Powered Supports Removing Technology from Fully Mechanized Longwall Mining Face with Complex Roof in Steep Inclined Seam with Soft Roof, Soft Coal and Soft FloorLU Yun-hai, MA Wen-feng, FAN KaiProduction Technology53-5411Hydraulic Powered Support Installation Technique and Practice in No.1307 Fully Mechanized Top Coal Caving Mining Face of Yangcheng MineZHANG Xue-liang, LIU Xin-gang, LI Ji-lu, YANG LeiProduction Technology55-5712Study on 3D Numerical Simulation on Water Inrush Mechanism Crack Type FloorLING Biao-can, LIU De-min, LI Yong-jun, LIANG Hui-qing, TAN Li-boDiscussion on Research69-7113Study on Mining Deformation Mechanism of Mine Shaft and Prevention TechnologyYI Si-hai, TENG Yong-hai, BAI Yu, GUO Ke-yiDiscussion on Research72-7414Feasibility Study on Blasting and Caving Method of Thick Mineral Coke under Water BodyLI Shuai, GUO Guang-li, WANG Lei, XU Dou-douDiscussion on Research75-7715Study on Bumping Load Affected to Mine Gateway StabilityNI Hai-min, MAO Xian-biao, ZHANG Chun, YANG MinDiscussion on Research84-8616Numerical Study on Propagation Law of Gas Explosion in Mine RoadwayZHU Xue-liang, CHENG Guo-qiangDiscussion on Research93-9517Acoustic Emission Features of Surrounding Deformation in Experiment of Large 3D Loadable Physical Similar SimulationZHANG Yan-li, WU Yong-ping, LI Kai-fangDiscussion on Research96-9918Study on Multi Element and Heavy Medium Fluidized Features of Air and Heavy Medium Fluidized BedZHAO Jia-bo, ZHAO Yue-min, LIU Xiao-jun, DUAN Chen-long, ZHANG Cui-yuDiscussion on Research100-10219Study on Comparison Experiments of Fine Particle Coal Between Floatation Column and FloatatorSHAO Huai-zhi, XIE Guang-yuan, LIU Chang, ZHANGming, GAO Chao-zhongDiscussion on Research103-10520Study on Emergency Capacity Evaluation of Coal Mine EnterpriseGU Wei-li, LI Xin-chunDiscussion on Research106-108 