1Mechanical Characteristics of Soft Coal,Hard Coal,Mudstone Gangue and Their Significance in Gas GeologyZHAO Zhi-gen, LI Chang-shun, YING Cheng-juan1-42Rapid Construction of Mine Large Diameter Shaft in Xinzhuang MineCHEN Zhi-wen, ZHANG Wei-guo5-73Quality Control of Mine Shaft Liner with Depth of 1 000 mYANG Jin-jun, HAN Tai-ran, WANG Xiao-lei, HU Ya-wei, JIN Li-bin8-10,174Construction of Large Diameter Feeding Borehole in Coal MineYUAN Cun-fa11-13,175Rapid Installation Technology of Mine Shaft Equipment in Freezing Coal WeatherWANG Li-ting14-176Application of Radial Jet Hydraulic Pressurized Fracturing Technology to Seam Opening of High Gassy Mine ShaftLI Xiang, LIU Lin-song18-217Development and Application of Six Boom Hydraulic Umbrella Drilling RigMA Wei-qing, MA Yin, HE Lei, SUN Hui-zhen, WU Zhen-hai22-268Study on 5 m Deep Borehole Controlled Blasting Technology of Large Cross Section Mine ShaftZHANG Hao, HE Lei, MA Wei-qing27-329Study on Cracking,Roof Falling and Instability Mechanism and Control Technology of Mine Lined Roadway in MudstoneCAO Shuai, LIN Deng-ge, YU Xiao-chen, ZHANG Shao-qi, SUN Kai33-3710Common Problems and Countermeasures in Design and Construction of Mine Shaft EquipmentSHAN Fu-dong38-4011Analysis on Physical and Mechanics Features of Artificial Freezing Rock in Yili Xiaoxi MineLIANG Bo41-4312Realization on Operation Automation of JDT-6 Mode Gyroscopic Survey Orientation SystemCHEN Hua-bei, WANG Fan44-48,3713Ground Freezing Design and Construction of Subway Cross Passage with Super Deep DepthWANG Shu-lei49-54,5714Raise Boring Machine Applied to Boring Construction of Ventilation Shaft of Water TunnelLI Jun-feng, YU Jian-shui55-57