1Construction of Trackless Transportation System in Project Area of Second Phase Mine Roadway in Coal MineJIA Zhen'gang, WANG Xin, LUO Yingqi, MIAO Feng, YAO Zhen, LI Jicang1-3,282Construction of Pre-Grouting at Surface Ground of Mine Main Shaft in Gushan Iron MineTIAN Zhipeng4-6,343Raise Boring Machine Applied to Rapid Construction of Coal BunkerZHANG Qiwen7-8,134Optimized Design of Mine Shaft Bottom in Yadian MineMA Jia'nian9-135Rapid Replacement System of Skip in Hongqinghe MineJI Lianquan14-166Study on Report Auto Generation Technology of Mine Ventilation Information SystemNI Jingfeng, HE Xiaoyang, ZHAO Meicheng17-207Design Study on Local Cooling System of MineQIU Tiande, LIU Jie, HUANG Baolong, WANG Zilei21-24,578Parameter Optimization of Support System for Mine Weak Cemented Soft Rock RoadwayQIU Guanglin25-289Calculation on Horizontal Force of Steel Cage Guide in Mine ShaftWANG Jianzhong, CUI Chuanjie29-3410Discovery on Prevention and Control Technology of Seam Spontaneous Combustion in Shenfu Mining AreaZHANG Jin'gui35-3811Assembling Design and Construction of Three-Legged Type Box Model Steel HeadframeZHANG Yahong39-4212Application of High Efficient Mine Cooling System to Coal Mining FaceLI Jianfeng, ZHANG Ruifeng43-4513Development Application of Crawler Type Multi Functional Roof BolterWANG Junming, FENG Min, WANG Xiaofei, SONG Lixin46-4814Raise Boring Machine Applied to Ore Pass Construction of Ultra Long Inclined ShaftDU Liping49-51,4515Analysis on Influence Factors of Vibration Intensity in Multi Free Face Blasting of Urban Shallow Depth TunnelZHANG Minggao52-5716Design and Application of Clapboard Auxiliary Sinking Stage in Ventilation Shaft of Expressway TunnelLI Jicang58-60,57