Sandwiched rock between twin closely spaced tunnels is in complicated and three-dimensionalstressstate.
小净距隧道的中间夹岩处于复杂的三维受力状态。
2
Objective To study artificial lumbar intervertebral disc three-dimensional finite element model and its stressstate.
目的研究人工腰椎间盘三维有限元模型的建立及其应力分布。
3
It indicates that stressstate affects the close ways of voids and three-dimensional compressive stressstate is the best one for healing the internal voids of object.