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Monitoring analysis of foundation deformations of the Botlek Lifting Bridge

​A new lifting bridge is being constructed crossing the river Oude Maas in the Rotterdam harbour area in the Netherlands.

16 Oct 2015
"B. Rijneveld and J.A. Jacobse (Ballast Nedam Engineering) "


Since foundation deformations of the main piers have a large influence on the performance of the superstructure, extensive deformation analyses have been performed during the design phase. In order to minimise the risks and optimise the costs, the observational method was applied. Based on an extensive monitoring system the deformations of the bridge were monitored. Since the deformations remained well below the intervention values no control measures were necessary. Valuable lessons with respect to dealing with uncertainties in the analysis of measuring and estimation of residual settlements were obtained.


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