ABSTRACT
W.J. Bouwmeester – van den Bos BAM Infraconsult, Gouda, The Netherlands, University of Technology, Faculty of Civil Engineering and Geosciences, Delft, The Netherlands
M. van Kaam BAM Infraconsult, Gouda, The Netherlands
A.Q.C. van der Horst BAM Infraconsult, Gouda, The Netherlands, University of Technology, Faculty of Civil Engineering and Geosciences, Delft, The Netherlands
ABSTRACT: Many viaducts in the Netherlands have been designed for traffic loads that are smaller and less intense than required by the present day standards. This means that for maintaining the structure’s primary function, recalculation and often strengthening is required to guarantee safety and durability. For the viaducts in highway A9 near Amsterdam strengthening by a reinforced concrete overlay is used. This paper describes material testing of the existing structure, FEM-modeling of the existing and overlay structures and some aspects of the detailed design of the concrete overlay.
