Selection and evaluation of the mining methods for the thick and extra-thick coal seams of the Carboniferous System in Datong mining area王玉锦14-16
Selection and design of the foundations in the subsoil with large quantities of earth backing(including gangues)孙秋芝20-22
Optimized design for reconstruction and expansion(Phase 2)of the sewage treatment plant at Jidong New Village李爱民, 杨茂检23-25
Calculation of the drainage water hammer for the vertical shaft over 1000 m in depth and the necessary protection measures闫家华25-26
Pre-grouting for the working face with reserved rock cap + short section of driving and lining-a method for crossing the rich aquiferous strata at vertical shaft李东印29-31