Distribution of wave by wave overtopping volumes at vertical seawalls

Salauddin, M. and Pearson, J. (2018) Distribution of wave by wave overtopping volumes at vertical seawalls. In: Protections 2018 (3rd International Conference on Protection against Overtopping), 6-8 June 2018, Grange-over-Sands, UK.

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Abstract

This paper reports results of small scale physical tests on vertical walls describing the probability distribution of wave by wave overtopping volumes at a plain vertical structure with a shingle foreshore slope. The present paper contributes to the existing knowledge on the distribution of overtopping volumes by analyzing the acquired Weibull shape parameter from the experiments consisted of a matrix of 180 test conditions (wave steepnesses, crest freeboards, water depths, shingle sizes) and, by comparing the test results with the empirical prediction. Alongside the outputs of this study, the measured Weibull b values under the VOWS project are also analyzed in the present paper. The results of this study showed that there is no apparent relationship between Weibull shape parameter and incident wave steepness, relative freeboard or, relative discharge.

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