ABSTRACT

In this paper, we take the pavement layer as the research object. Under the subgrade deformation of thawing and sinking, in the finite model element we take the uneven settlement of subgrade top caused by the uneven subgrade deformation of thawing and sinking as the load condition acts on the top surface of embankment (Huang & Ling 2005, Zheng et al. 2005). Analysis the stress characteristics of pavement structure under the uneven settlement deformation. In the calculation the assumptions we used are as follows:

1. The structure and settlement of the subgrade are symmetric; take half of the pavement into calculation.