Overtopping on Breakwaters with a Permeable Crest

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Abstract

In model tests, the wave overtopping discharge is typically measured at the rear corner of the armour crest. So far, all overtopping formulae have been calibrated to predict this specific overtopping discharge. The EurOtop Manual however proposed a formula to include also the discharge trough the permeable armour crests. The total overtopping including the discharge trough the crest armour is relevant in relation to rear armour stability. The discharge trough the armour depends also on the permeability of the core material. In order to study this effect, new model tests were performed with a permeable and an impermeable core. A method for the prediction of the total overtopping discharge is given.
Original languageEnglish
Title of host publicationProceedings of 36th Conference on Coastal Engineering, Baltimore, Maryland, 2018
Number of pages10
PublisherCoastal Engineering Research Council
Publication date2018
ISBN (Electronic)978-0-9896611-4-0
DOIs
Publication statusPublished - 2018
EventCoastal Engineering 2018 - Baltimore, United States
Duration: 30 Jul 20183 Aug 2018
Conference number: 36

Conference

ConferenceCoastal Engineering 2018
Number36
CountryUnited States
CityBaltimore
Period30/07/201803/08/2018
SeriesProceedings of the International Conference on Coastal Engineering
Number36
ISSN2156-1028

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Keywords

  • Wave overtopping discharge
  • Relative freeboard
  • Permeable crest

Cite this

Eldrup, M. R., Andersen, T. L., Thomsen, J. B., & Burcharth, H. F. (2018). Overtopping on Breakwaters with a Permeable Crest. In Proceedings of 36th Conference on Coastal Engineering, Baltimore, Maryland, 2018 Coastal Engineering Research Council. Proceedings of the International Conference on Coastal Engineering, No. 36 https://doi.org/10.9753/icce.v36.papers.17