Abstract
The approach slabs are installed at the both ends of a bridge in order to ensure smooth and comfortable driving of vehicles. They have no response against the deformation of super-structure in normal bridge which has the bearings and the expansion joints. However, the deformation of super-structure due to temperature changes mainly in the Integral Abutment Bridge (IAB) gives a significant effect to the behaviors of approach slabs. The analytical results by FE Analysis (DIANA) and their discussions regarding the suitable shape and placement depth of approach slab applied to IAB are given in this paper. Some field survey results regarding the asphalt pavement at IAB in Japan are also introduced in addition to the analytical results and discussions.
