provided by the National Basic Research Program of China (No. 2005CB221502);the Major Program of National Natural Science Foundation of China (No.50490273);the Postdoctoral Subject Foundation of the State Key Laboratory of Geomechanics & Deep Underground Engineering(No. PD1005);the Research Foundation of Heze University (No.XY10BS04);the TransCentury Training Program Foundation forthe Talents by the State Education Commission (No. NCET-08-0837);the National Natural Science Foundation of China (No.50834005)
Coal pillar deformation is typically nonlinear and time-dependent. The accurate prediction of this defor- mation has a vital importance for the successful implementation of mining techniques. These methods have proven...
support for this work was provided by the National Basic Research Program of China (No. 2010CB226805);the National Natural Science Foundation of China (Nos. 50474068 and50490273);the Independent Foundation of State Key Laboratory of Coal Resources and Mine Safety (No. SKLCRSM10X05);the Open Foundation of State Key Laboratory of Coal Resources and Mine Safety (No. 10KF05)
Active velocity tomography was used to determine the stress state and rock burst hazards in a deep coal mine. The deepest longwall face, number 3207 in the Xingcun colliery, was the location of the field trials. The p...