Effects of new variables on the overtopping discharge at steep rubble mound breakwaters - The Zeebrugge case

J. Geeraerts, A. Kortenhaus, J. A. González-Escrivá, J. De Rouck, P. Troch

Research output: Contribution to journalArticlepeer-review

12 Scopus citations


This paper describes on the one hand parametric tests on wave overtopping for a steep rubble mound breakwater in Zeebrugge, Belgium. On the other hand the comparison between prototype measurements at the breakwater and their scale reproductions in two laboratories is dealt with. The objective is to gain information on possible scale and model effects for wave overtopping from this comparison. The prototype measurements are described together with the resulting dataset of 11 storms where wave overtopping occurred. Scale models and the laboratory measurements are described into detail mentioning similarities and differences to the prototype. Several model effects are identified and special attention is given to wind effects and to the placement pattern of the armour units, respectively. Monte Carlo simulations have been performed to get an idea about the influence of selected model uncertainties. Finally, scale effects are discussed and the influence of model and scale effects for the performed tests is quantified. Recommendations on how to treat these effects are presented.

Original languageEnglish (US)
Pages (from-to)141-153
Number of pages13
JournalCoastal Engineering
Issue number2
StatePublished - Feb 2009
Externally publishedYes


  • Laboratory measurements
  • Model effects
  • Monte Carlo simulation
  • Prototype measurements
  • Scale effects
  • Wave overtopping

ASJC Scopus subject areas

  • Environmental Engineering
  • Ocean Engineering


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