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Three-dimensional investigations of wave overtopping on rubble mound structures
Authors:T Lykke Andersen  HF Burcharth
Institution:Aalborg University, Department of Civil Engineering, Sohngaardsholmsvej 57, DK-9000 Aalborg, Denmark
Abstract:To study the influence of wave obliquity and directional spreading on wave overtopping of rubble mound breakwaters a total of 736 three-dimensional model tests were carried out at Aalborg University. The results of these tests are presented and analysed in this paper yielding a new empirical reduction factor to describe the influence of wave obliquity and directional spreading on the average wave overtopping discharges. The study shows that perpendicularly incident, long-crested waves result in conservative values of the overtopping discharge for the tested cross-section.
Keywords:Wave overtopping  Rubble mound breakwater  Wave obliquity  Directional spreading  Physical model tests
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