1Study on Support Technology of Gateway in Contiguous Seams Under Mining Goaf in Pingshuo Mining AreaGAO Jianjun, ZHANG Zhongwen1-4,82Inversion Technology of 3D Ground Stress Field Applied to Evaluation of Strata Pressure Bumping DangerDENG Zhigang, QI Qingxin, ZHAO Shankun, ZHANG Ningbo, WANG Yongren5-83Study on Deformation Law of Overlying Roadway Under Condition of Lower Protective Seam MiningZHANG Wanglei, XIONG Zuqiang, WANG Hongyan, ZHANG Yaohui9-12,164Study on Deformation Mechanism and Stability Control of Large Cross Section Intersection in Deep MineWANG Jiong, SUN XiaoMing, HAO Yuxi, GUO Zhibiao, MENG Zhigang13-165Analysis on Failure Features and Failure Depth of Coal Seam Floor During Mining ProcessDUAN Hong fei17-206Study on Overburden Strata Structure Features and Stress Distribution Law of Coal Pillar in Inclined SeamMEN Jianguang, WANG Shuo, YUAN Ruifu, LI Xiaojun, JIAO Zhenhua, PENG Shuaipeng21-247Study on Strata Pressure Behavior Features of Fully-Mechanized Top Coal Mining in Soft Large Inclined Angle SeamZHU Xianlei, YANG Renshu, CAI Zhijiong, QI Haijun25-288Experimental Research on Fully-Mechanized Mining with Large Cutting Height in Spontaneous Combustion Thick Coal SeamLOU Jinfu29-339Study on Method of Enhancing Drilling Depth in Soft Outbursting Coalbeds with Roof DrillingSONG Wei bin, SUN Yu ning, WANG Yong long, WANG Zhen feng34-36,4010Permeability Improvement Gas Drainage Technology with Deep Borehole Accumulated Energy Hydraulic Blasting of Low Permeability SeamPU Wen long, BI Ye wu37-4011Study on Experiment of Coal and Rock Adsorbed Gas Speciality Under Axial Load RoleHAO Nai, TU Hui, MAO Lingtao, LI Min41-44,4712Study on Application of Grouting Fire Prevention and Control with High Level Tube in Goaf Between Hydraulic Powered Supports of Fully-Mechanized Coal Mining FaceBAI Fa song, FANG Chang cai, CHEN Su, SHI Chuang xin45-4713Gas Pre-Drainage Technology of Ground Multi-Branch Horizontal Well Connected with Underground Mine BoreholeLI Fengqi, QIAO Wei, NIU Guobin, YANG Shengqiang, JIANG Chunlin48-50,5414Application on Enhanced Permeability Improvement Technology of Slotting Cross Boreholes Combined with Conventional Cross Boreholes in Coal DriftZHANG Zhen, LIN Baiquan, ZOU Quanle51-5415Division on Fire Area in Integrated Coal Mine Based on Indicator Gases and Infrared Detection TechniqueYU Shu jiang, YANG Cheng yi, XU Ji yuan, ZHU Hong qing55-57,6116Study on Dynamic Input-Output Model for Coal Mine SafetyTONG Lei, WANG Liangyu, DING Rijia58-6117Study on Low-temperature Oxidation Heating Rate Regularity of Coal Samples with Different Particle SizeWANG Fengshuang, YANG Shengqiang, LI Zhenbao, JIN Shuanglin, SUN Jiawei62-6418Simulation Study on Relationship Between Ground Stress and Gas Pressure Gradient of Tectonic Outburst SeamHUANG Xian hua, XU Ji yuan, YANG Cheng yi, ZHU Hong qing65-67,7119Study on Safety Hedge Facilities in Long Distance Descent Auxiliary Roadway of Shendong Mining AreaYANG Jun cai68-7120Design on Fault Pre-Warning System Applied for Mine Flameproof Type Dry TransformerWEN Minmin, SONG Jiancheng, SONG Yuan, LIU Yuan, WAN Zhiqiang72-76,80 