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Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.

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Wave run-up on a rubble mound breakwater De Rouck, J.; Van de Walle, B.; Troch, P.A.; Van Damme, L.; Willems, M.; Jens, P.K.; Frigaard, P.; Medina, J.R. (2001). Wave run-up on a rubble mound breakwater, in: Özhan, E. (Ed.) Proceedings of the Fifth International Conference on the Mediterranean Coastal Environment, October 23-27, 2001, Hammamet, Tunisia. pp. 1153-1164 In: Özhan, E. (Ed.) (2001). Proceedings of the Fifth International Conference on the Mediterranean Coastal Environment, October 23-27, 2001, Hammamet, Tunisia. MEDCOAST Secretariat: Ankara. ISBN 975-429-172-1. , meer

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Beschikbaar in	Auteurs
VLIZ: Open access 303819 [ download pdf ] Waterbouwkundig Laboratorium: Open Repository 220065 [ download pdf ] Waterbouwkundig Laboratorium: Overdrukjes 129438 [ aanvragen ]
Documenttype: Congresbijdrage

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Trefwoorden

Laboratory tests Structures > Hydraulic structures > Coastal structures > Coast defences > Breakwaters > Rubblemound breakwaters Wave processes on beaches > Wave runup Marien/Kust

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Auteurs		Top
De Rouck, J., meer Van de Walle, B. Troch, P.A., meer Van Damme, L., meer	Willems, M., meer Jens, P.K. Frigaard, P. Medina, J.R.

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Abstract

Physical processes such as wave run-up and wave overtopping are very important with regard to the design of sloping coastal structures. However, these are not yet fully understood. Preliminary prototype measuring campaigns (1993-1996) indicated clearly higher wave run-up values than the values found by laboratory testing and reported in literature. The design of the crest height of a breakwater is mainly based on wave run-up values obtained by small scale model tests. Prototype measurements are seen as the big challenge to be addressed to verify small scale model test results. Therefore, a rubble mound breakwater protecting the outer harbour of Zeebrugge (Belgium) and armoured with 25 ton grooved cubes is fully instrumented to measure sea state, wave run-up and wave overtopping. Wave run-up is measured by two different measuring devices. Extensive laboratory testing is carried out on two t-o dimensional models (1:30) and on one thr-e dimensional scale model (1:40). For a better determination of wave run-up on the scale models, a novel step gauge is developed. Still, differences between results of prototype measurement and small scale model test results and between the various laboratory results are noticed.

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