WAVE OVERTOPPING CHARACTERISTICS FOR A DOUBLE VERTICAL WALL AND THE EFFECT OF PARAPETS

Bart Jan van der Spek, Eelco Bijl, Jentsje van der Meer, Maximilian Streicher, Peter Troch, Pierre Yves Guillermin

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The mean wave overtopping discharge and extreme overtopping volumes were assessed for a double vertical wall solution, including the combined effect of the mutual distance and effect of parapets, also known as wave return walls or bullnoses. New empirical functions were derived for predicting the mean overtopping discharge and maximum overtopping volumes applicable for this design case. This study demonstrates the importance of analyzing the statistical characteristics of extreme overtopping volumes, especially for cases with low number of overtopping waves and steep volume distributions. It is argued that derivation of these statistics is essential for design of coastal structures and required drainage system at the hinterland. The analysis has shown that performing repetition tests is valuable, especially with cases of low number of overtopping waves. Generating more data allows for the derivation of more reliable statistics and in turn enables better quantification of the associated uncertainties. Statistical parameters of wave overtopping volumes showed that it provides critical design input for drainage and enable the generation of synthetic overtopping events with realistic distributions of wave overtopping volumes.

Original languageEnglish (US)
Title of host publicationProceedings of the Coastal Engineering Conference
EditorsDaniel Cox
PublisherAmerican Society of Civil Engineers (ASCE)
Edition37
ISBN (Electronic)9780989661164
StatePublished - Sep 1 2023
Event37th International Conference on Coastal Engineering, ICCE 2022 - Sydney, Australia
Duration: Dec 4 2022Dec 9 2022

Publication series

NameProceedings of the Coastal Engineering Conference
Number37
ISSN (Print)0161-3782

Conference

Conference37th International Conference on Coastal Engineering, ICCE 2022
Country/TerritoryAustralia
CitySydney
Period12/4/2212/9/22

Keywords

  • bullnose wall
  • double vertical wall
  • individual overtopping volumes
  • overtopping
  • parapet
  • statistical distribution of wave overtopping
  • synthetic timeseries
  • wave return wall

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Ocean Engineering
  • Oceanography

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