1Discussion on Key Technology of Ultra Deep Mine Shaft ConstructionCHENG Zhibin1-62Study on Temperature Field Formation of Double-row Freezing Holes in No .2 Cross-passage between Bei-Lin StationsWU Shilong, ZHENG Jun, GUO Shugang7-12,63Application of Transient Electromagnetic to the Detection of Roof Sandstone Fissure Water in the West Wing 11-2 Coal Seam in Xinji No.2 Coal MineSU Duojin, ZHAO Lei13-174Pre-stressed Metal and Ceramic Lining Plate Applied to Coal Bunker in Nalinhe No.2 MineCHEN Guohua, NING Shijie, MENG Fei, LI Yongfeng, WANG Rulong, SHI Jianguang, JIA Peixiang18-215Study on Physical and Mechanical Characteristics of Cretaceous System Weakly Cemented Sandstone in Erdos BasinYANG Jinhong, ZHAO Xiaodong, ZHOU Guoqing, ZHOU Xingya, JIAO Wei22-286Study on Metal Rod Impact Performance of Resin Bolt Based on Pendulum Impact TestXU Richeng29-31,217Experimental Study on Erosion Resistance Performances of Fiber Cement Under Optimum Mixture RateZHANG Jingshuang, XIA Xianggang, LIU Yongxiang32-378Study on Rapid Discrimination Model of Underground Water Hydrochemical Features and Water Inrush Sources in Banji MineGAO Xiaoyun, WU Peiping, LI Hongze, CHEN Xinhong, SUN Xiaozhou38-439Experimental Study on Early Crack Resistance Performance of Metakaolin Rubber ConcreteZHANG Qihang, MA Qinyong44-4810Analysis on Reliability Numerical Simulation of Support Plan for Driving along Goaf Side of Fully Mechanized Coal Mining Face in Medium Thick SeamZHU Pengcheng, LOU Peijie, CAO Wenyuan49-53,3711Study on Numerical Simulation of Surrounding Rock Stability in Different Cross Section Size Chamber under Condition of No SupportCAO Wenyuan, LOU Peijie, XU Ying, CHEN Peiyuan54-57,1712Joint Loading Theory of Mine Shaft Liner and Surrounding Rock in China Western Region and Design Principle of Mine Shaft LinerYANG Jinhong, MO Pinqiang, ZHU Qiyin, KUANG Lianfei, ZHAO Guangsi, ZHOU Guoqing58-62,3713Special Water Level Gauge of High Flow Water Drainage (Injection) TestSUN Bangtao, HU Qiquan, HE Wen, ZHANG Aiwei, LIU Dajin, BI Haitao63-65,28 