1Study on Gas Pressure Visualization During Coal and Gas Outburst Based on MatlabXU Jiang, LUO Xiaohang, ZHANG Chaolin, PENG Shoujian, GENG JiaboTest·Research1-42Investigation of Effective Protection Area of Gob-side Entry Driving in Outburst Coal SeamWANG JinbaoTest·Research5-73Coal and Gas Outburst Simulation Experiment Based on Single Factor of Gas Emission CharacteristicsZHANG Kaijia, QIU HaishengTest·Research8-104Experimental Study on Index Optimization of Coal Spontaneous Combustion Prediction Under High TemperatureTANG Hong, GUO Jun, LIU Yin, HAO JianchiTest·Research11-155Influence of Age on Mechanical Properties of Paste Filling MaterialWANG Xingyu, ZHANG Xinguo, LI FeifanTest·Research16-19,236Sensitivity Study on Main Controlling Factors of Borehole Shrinkage for Expansive Mudstone in Coal MineHOU Jifeng, LIU HaoTest·Research20-237Study on Karst Collapse Column Characteristics Based on Comprehensive ExplorationLIU ZaibinTest·Research24-288Experimental Study on Mechanical Properties of Combined Support in Roadway Within Soft RockWANG Wencai, ZHANG Wei, ZHANG Pei, SHANG Dong, DENG Lianjun, CHEN YangTest·Research29-329Research on Laws of Fault Coal Pillar Abutment Pressure Evolution When Working Face Moves Along the Normal FaultDING Nan, LI Xiaoyu, JIANG LishuaiTest·Research33-3610Spatial Evolution Laws of Coal and Rock Breakage in Fault Zone Based on Physical SimulationZHAO Changhong, LYU Zhaohai, LAI Xingping, LEI Zhaoyuan, YAN Ruibing, YUE Xiaojun, CUI FengTest·Research37-40,4411Technology of Airbags Quickly Filling in Upper Corner of Fully Mechanized Mining FaceZHENG JunTechnology·Innovation41-4412Long Multi-point Underground Directional Drilling Hydraulic Fracturing Technology for Low-permeability Weak CoalbedLI YanjunTechnology·Innovation45-4813Technology of Gas Extraction for Two Places Outburst Elimination with One Hole by Cluster-type Multi-branch Directional Hole Group and ApplicationZHANG Di, LI Quanxin, FANG JunTechnology·Innovation49-5314Fire Prevention and Control Technology During the End Mining and Withdrawing Period for Self-igniting Coal Seam Working FaceCUI JieTechnology·Innovation54-57,6115Technology of Fire Prevention and Control During Super-long Working Face Passing Through CrossheadingZHAO KaiTechnology·Innovation58-6116Surrounding Rock Control Technology for Soft Rock Roadway Under Unilateral Mining InfluenceWANG Zijun, CHAI LuTechnology·Innovation62-6517Method of Making Raw Coal Isostatic Pressing Columnar Coal Samples for Heavily Tectonically Deformed CoalREN Jiangang, WENG Hongbo, SONG Zhimin, LI Bing, LYU RunshengTechnology·Innovation66-6918Research on "Pressure Relief and Coupling" Support Technology of High Stress Dynamic Pressure Coal RoadwayZUO JianghongTechnology·Innovation70-7319Repair and Control Technology for Shaft Lining Fracture of HorseheadZHAO Renle, LIU Qishun, LI Tingchun, CHEN DianhaoTechnology·Innovation74-7720Multi-layer Deep Hole Drilling Technology and Equipment for Broken Soft Coal SeamFENG DahuiDesign·Development78-80 