1@@前插12Design of Shaft Mouth Location and Development Mode for Yushugou Coal MineWU Shi-changDesign and Technology1-33Impact Analysis of Production Coal Mine Under Planned HighwayNING Zhi-yongDesign and Technology4-6,104Optimization Design of Ventilation System in Pan Ⅱ Coal MineHUANG Bi-shiDesign and Technology7-105Design and Optimization of Mine Water Treatment Station in Menkeqing Coal MineHUO Yong-jin, KONG Fan-mingDesign and Technology11-136Design of Hydraulic Support Integral Lowering and Semi-Continuous Transportation in Jiulongchuan Mine Auxiliary ShaftCHEN Ya-liDesign and Technology14-15,197Analysis on Replacement of Three Centered Arch Roadway Section with Elliptical ArchZHOU Hua-longDesign and Technology16-198Technology Reformation for Flotation Clean Coal Dewatering System of Lvjiatuo Coal Preparation PlantLI Hai-huaDesign and Technology20-229Design of Key Information Collection and Transmission System for Hoist Brake SystemZHU Huan, WANG Qin-xian, YANG Zhao-jianDesign and Technology23-25,2910Irregular Foundation Design of Backstay in Steel HeadframeWANG Yan-hong, YAN MingDesign and Technology26-2911Experience of Front Area Layout of Coal Mine Industrial AreaSONG Chun-lanDesign and Technology30-3212DCS System Transformation of Zhunneng Coal Gangue Power Plant Based on Field BusHUO WenDesign and Technology33-3513Gas Remote Monitoring System Based on Industrial Ethernet and Information FusionLIU Hui-JingDesign and Technology36-3814Research on Freezing Wall Expansion Rate Before Cretaceous Soft Rock CirclingLI KunConstruction Technology39-4115Support Technology in Nianzigou Air Return Vertical Shaft Passing Through Bauxitic Mudstone StratumYUAN Dong-feng, ZHAO Zi-zhou, WANG HuiConstruction Technology42-43,4716Peering of Surrounding Rock Flexible Range and Supporting Scheme Optimization in Broken Coal RoadwayWANG Shu-gang, XUE Hua-junConstruction Technology44-4717Study on Rock Cable Failure Mechanism and Reasonable Preload in Dynamic Pressure Roadway with Compound RoofGUO Xiang-ping, ZHANG Zhan-taoConstruction Technology48-5118Anti-Deformation Technology of Permanent Air Door in "Three Soft" Coal SeamHAN Lao-hu, DENG Sheng-jie, CUI Feng, YUE Zong-xin, YANG Xiu-shuiConstruction Technology52-53,5719Application of 3D Electrical Method in Water Rich Area Detection and Grouting of Working Face FloorSHI Long-qing, GAO Wei-fu, ZHAI Pei-he, NIU ChaoConstruction Technology54-5720Application of Dynamic Compaction in High Embankment Foundation TreatmentDU Yu-ming, LIU Li-minConstruction Technology58-59 