1Comparison and Selection of Coal Mining Process Design Scheme for Xiaobaodang No. 2 MineZHANG LeiDesign Technology1-42Study on Mining Method and Equipment Selection of 4-1 coal seam in Shadunzi Coal MineJI Liu-tingDesign Technology5-83Design of High Salt Mine Water Deep Treatment Engineering Process in Zhongtian Hechuang CompanyJING Bo-yong, ZHANG Kong-siDesign Technology9-144Design of Rainwater Collection and Drainage System for Surface Water Prevention and Control Works in Extra-large MinesZHU Ze-minDesign Technology15-185Quantitative Analysis Calculation Method for Open-pit Mining ProcessFAN Zheng-xiangDesign Technology19-226Open Pit Backfilling and Surface Ecological Restoration in Jiangcang No. 4 Mine of Muli CoalfieldWANG KaiDesign Technology23-267Impact of Coal Mining on Basin Ecosystem in Baiyanghe Mining AreaLI NaDesign Technology27-308Study on Surrounding Rock Deformation Control Technology of for Unstable Section Gob-side Driving Roadway in Gubei Coal MineFENG An-xiang, SHI Wen-baoConstruction Technology31-349Support Technology of Pumping Prop for Passing Empty Roadway in Fully Mechanized Mining Face of Ulan Mulun Coal MineZHANG Guo-en, ZHAO Jian-ming, HU Jiang, LIU Hu-shengConstruction Technology35-3810Stability Analysis and Reinforcement Measures of U-shaped Steel Support StructureHUANG Xin, PANG Jian-yongConstruction Technology39-4311Study and Application of Pre-reinforcement of Soft and Breaking Coal Mass in Gas Drainage Drilling FieldZHANG Zhen, SUN Yong-xin, FU Yu-kai, WANG TaoConstruction Technology44-4712Construction Technology of Reinforced Concrete Thin Shell Structure Using Inflated FormsZHANG Li, WU ZanConstruction Technology48-5113Classification and Prevention of Rock Burst Dangerous Zone Based on Static Detection and Dynamic MonitoringMAO Qing-fu, KONG He, WEI Quan-de, XIN Chong-wei, TIAN Zhao-longPreduction Technology52-5514Study on the Technology of Forced Roof Caving in Fully Mechanized Mining FaceZHAO Jin-junPreduction Technology56-5915Research and Application of Burst-prevention Technology with Guide Groove Directional Hydraulic FracturingYAN Wan-jun, REN Zhong-jiu, FAN Zhi-gangPreduction Technology60-6316Study on Goaf Gas Drainage Technology Using High Directional Long BoreholeLI Wen-gang, WANG Xiang-dong, CHENG Zhi-heng, ZHAO Can, SANG CongPreduction Technology64-6817Study on H2 S Emission Law and the Treatment Technology in Fully Mechanized Driving FaceHUANG Li-ningPreduction Technology69-7318Application of Three-level Intelligent Joint Control System of Mine Local Fan in High Gassy MineGUO BoPreduction Technology74-7719Distinguishing Method of Strata Instability and Classification of Roof Fall Hidden Danger of Coal Roadway Composite RoofFENG Ji-cheng, XU Hai-tao, ZHENG Yun, PENG Rui, MA Hai-yanResearch and Discussion78-8320Study on Mining Pressure Behavior of Fully Mechanized Top-coal Caving Face in Extra-thick Coal SeamDOU Gui-dong, LIN Jian-cheng, DU Xin, WANG Xing-xu, KANG Xiao-tao, WU Zhang-taoResearch and Discussion84-88 