The average wave overtopping discharge for a composite slope: A case study to the Afsluitdijk rehabilitation project

Master thesis (2019)

Authors

L.M.A. Jordans Civil Engineering & Geosciences

Contributors

Bas Hofland Hydraulic Structures and Flood Risk - CEG (mentor)
A. Antonini Coastal Engineering - CEG (graduation committee member)
C. Kuiper Coastal Engineering - CEG (graduation committee member)
Alex Capel Deltares (graduation committee member)
Wouter Ockeloen Van Oord (graduation committee member)
Faculty
Civil Engineering & Geosciences, Civil Engineering & Geosciences
Copyright: © 2019 Luuk Jordans
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Published Date

12-12-2019

Language

English

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Faculty

Civil Engineering & Geosciences

Abstract

“During the last safety assessment of Rijkswaterstaat in 2006 the Afsluitdijk failed on the current safety standards regarding flood protection. A new design was needed which ensured continuous protection against flooding in the future. Large scale and small scale tests are performed to optimize the design. Clear differences in the average wave overtopping discharge are observed between large and small scale. The new design of the Afsluitdijk has a complex geometry and consists of new types of elements of which not much information about the roughness of these elements is available. Also, the combined effect of roughness elements and berm has not been fully investigated yet. This asks for a more accurate method to predict the average wave overtopping discharge for composite slope. Various adjustments to current theories are proposed for this type of structure. “

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