| 1. | In recent years , theories of elastic foundation and layers elastic body system have been widely applied and perfectly developed , but the theories often consider the medium as continuous , elastic , homogeneous , isotropy and submitting to small deformation hypothesis , and the anisotropy of the material has not been introduced 近代发展的弹性地基和层状弹性体系理论认为介质是连续、线弹性、均匀的和各向同性的,服从小变形的假设,没有考虑材料的各向异性。 |