5.Considering the simplified calculation, it is assumed that the soil mass is a homogeneous, continuous and isotropic semi infinite space elastic body, the foundation is not layered, and the deformation of the tunnel itself is stable.
考虑到简化计算,假设土体为均质、连续、各向同性的半无限空间弹性体,地基不分层,隧道本身变形稳定。机翻