Taking the deep cutting excavation of Beijing-Qinhuangdao expressway as an example, the paper utilizes DYNA-2D dynamic FEM procedure to simulate the rock blasti
<正> An assistant surface was constructed on the base of boundary that being auto-matically extracted from the scattered data.The parameters of every data point
<正> Based on the investigation of NO_x formation mechanism, a coal-fired utility boiler whose capacity is 1 004 t/h was studied. Excessive air coefficient, inc
Presented a new analytical model for studying the shear-tensile large deformation behavior near the vicinity of joint interface for bolted rough discontinuous r