Mechanical Characteristics of Soft Coal,Hard Coal,Mudstone Gangue and Their Significance in Gas GeologyZHAO Zhi-gen, LI Chang-shun, YING Cheng-juan1-4
Quality Control of Mine Shaft Liner with Depth of 1 000 mYANG Jin-jun, HAN Tai-ran, WANG Xiao-lei, HU Ya-wei, JIN Li-bin8-10,17
Application of Radial Jet Hydraulic Pressurized Fracturing Technology to Seam Opening of High Gassy Mine ShaftLI Xiang, LIU Lin-song18-21
Development and Application of Six Boom Hydraulic Umbrella Drilling RigMA Wei-qing, MA Yin, HE Lei, SUN Hui-zhen, WU Zhen-hai22-26
Study on 5 m Deep Borehole Controlled Blasting Technology of Large Cross Section Mine ShaftZHANG Hao, HE Lei, MA Wei-qing27-32
Study 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 Kai33-37
Common Problems and Countermeasures in Design and Construction of Mine Shaft EquipmentSHAN Fu-dong38-40