1Support Technology of Mine Large Cross Section Roadway in Watery Soft RockXIA Yu-jun, ZHANG Hai-liang, GUO Lei, CHEN Guang-yin4-62Comparison Collection on Construction Alternatives of New Mine Air Returning Shaft in Zhaozhuang MineSUN Fu-gang7-9,203Safety and Rapid Construction of Large Diameter Mine Freezing ShaftYANG Dong-bing, JIANG Jun10-134Fully Mechanized Matching Construction of 1 000m Deep Mine ShaftFAN Yu-jiong, CHEN Yun14-165Construction Technique Optimized to Improve Construction Schedule of Mine Large Cross Section Rock Roadway with Drilling-Blasting Heading and Square U Steel SupportXU Bin17-206Support Technology of Mine Gateway in Seam with Soft Roof, Soft Coal and Soft FloorQU Chao, MA Zhen-lin21-247Long Distance One-Way Ventilation Technology of Adit HeadingYANG Tian-fu, YANG Bai-xin25-288Directional Deep Borehole Drilling Technology Applied to Water Detection and Drainage in Mechanized Gateway Driving Face of Coal Mining FaceZHANG Chang-rong, ZHOU De-zhu, ZHENG Jian29-319Design on Frequency Conversion Control System of Brine Pump Applied in Freezing Station Based on PLCYANG Wei, ZHENG Xiao-liang, LI Song-gao32-3410Site Measurement Study on Temperature Filed of Freezing Wall and Mine Shaft Liner in Ultra Thick Clay StratumYANG Guo-qiang, JIANG Guo-jing, GAO Wei, MA Guan-chao35-3811Analysis on Measuring and Test of Blasting Vibration at Base Rock Section of New West Ventilation Shaft in Panji No.3 MineXU Hua-sheng, YAN Da-yang, HU Kun-lun, HU Xin, SU Hong39-41,4512Problems Existed in Drilling Mud of Mine Shaft Drilling and Necessity to Introduce Drilling Mud Technology From Petroleum IndustryZHAO Chen-de, SUN Jian-rong42-4513Research on New Wet Shotcreting Technique and Equipment Suitable Applied to Underground MineZANG Pei-gang46-5014Boom Type Roadheader Applied to Construction of Mine High Inclined ShaftZHENG Zhong-xian, WEI Jin-shan51-5315Design on Three Floor Sinking Stage of Large Diameter Mine ShaftLI Ji-cang54-57 