Supported by the National Natural Science Fundation of China(50534080,50674063);Taishan Scholar Engineering Construction Fund of Shandong Province of China(J06N04)
Coal bump is a dynamic process,thus it is necessary to reveal the process validly.2D-ball code is an efficient approach developed by the authors based on the basicDEM rationale proposed by Cundall.Numerical simulation...
Supported by the National Natural Science Foundation of China(50674063, 50534080); the Special Expense of"Taishan Scholar" Conslxuction in Shandong Province.
By means of numerical simulation, the roadway deformation affected by joints was analyzed and the pre-tensioned bolts for reinforcing roadway roof in jointed rock mass was studied. The results show that the roadway ro...