1Development Course and Future Direction of Caisson Sinking Technology in China Coal MineFENG Xuhai, BIAN Chao, LONG Zhiyang1-62Analysis on Stressed Features of Freezing Section and Cracking Causes of Shaft Lining in Mine Inclined ShaftZHENG Tianbin, ZHOU Heng7-12,63Technical Management of Ground Freezing Construction for Inclined ShaftZHAO Yuming13-15,64Support Technology of Large Cross-section Open-off Cut in Pingshu CompanyFENG Wei16-18,525Rod Insertion Method Applied to Construction of Rain Drainage Tunnel in New Preparation Plant of Chengchao MiningLIANG Wan19-21,286Pre-grouting Technology with Grouting Cover and Static Water Level Applied to Mine Shaft SinkingSHANG Zhihong22-237Combined Heading Method with Blasting Heading and Fully Mechanized Heading of Mine Large Cross Section Hard Rock Roadway in Huaibei Mining AreaXUAN Xiao, WU Deyi24-288Orientation of Branch Hole with Small Curvature RadiusZHANG Aiwei, LIU Dajin, BI Haitao, ZHAO Xiaoming29-339Combination of Excel and Origin Software to Draw 3D Graphics of Grouting BoreholeCHEN Long34-37,6010Test Study and Mechanism Analysis on Impermeability of Polypropylene Fiber ShotcreteFANG Jianghua, JIANG Pingwei, PANG Jianyong38-4411Grouting and Sealing Technology of High Pressure and High Flow Uncontrollable Water Detection BoreholeWANG Wei, FAN Baojiang, WANG Junlei, QIAN Ziwei45-4712Surface Drilling Technology in Mining Area Applied to Coal Bed Methane Drainage in Huainan Mining AreaXIA Shifang48-5213Study on Features of Half Covered Ground Freezing Temperature Field in Metro TunnelLI Yongfei53-57,2814Technology to Set Tunnel Boring Machine Down into Underground Mine for Mine Roadway HeadingWU Zhijuan58-60 