DESIGN OF SCOUR PROTECTION FOR THE BRIDGE PIERS OF THE 0RESUND LINK

Lars Kirkegaard, Mogens Hebsgaard, Ole Juul Jensen

Abstract


The 0resund Link between Denmark and Sweden consists ofa cable stayed bridge, a man-made island and an immersed tunnel. The engineering design of the scour protection of the 45 approach bridge piers was made on the basis of numerical and physical modelling. The numerical studies included determination of the hydrographic design conditions and wave/current induced bed shear stresses along the bridge alignment, enabling the selection of the most exposed piers for each bridge segment and pier type. Physical model tests were then performed with the selected piers to investigate the necessary scour protection. This article describes the methods applied and the conclusions and resulting scour protection design.

Keywords


scour; scour protection; bridge pier; Oresund Link

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