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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 [ OWA ] 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. Van de Walle, B. Troch, P.A. Van Damme, L.	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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