Study and trial on explitation of retaining safety coal pillar against sand under medium-thickness aquifer layer杨本水, 王从书, 阎昌银342-346
Analysis of superiority of tunnel arrangement new mode in coalbed group with the small inclination路占元, 周立光, 孙广义347-351
Re-understand the technology of reducing the subsidence due to mining by injecting grouts into separated beds in overlying disrupted strata by extraction杨伦352-356
Initial discussion on the damage propagation of rock under the frost and thaw condition杨更社, 蒲毅彬357-360
Analysis of model in series and parallel of rock bolt reinforcement system and its reliability computation孔恒, 马念杰, 王梦恕361-365
Three dimensional numerical simulation of explosion induced by obstacles in CH4-O2 mixture范宝春, 姜孝海, 谢波371-373
Monitoring the seeper subside in coal district by the remote sensing——examples from Huainan coal district彭苏萍, 王磊, 孟召平, 段延娥, 卞建玲, 王英坡374-378
Development of the quantitative evaluation information system of mining geology structure曹代勇, 周云霞, 魏迎春379-382