STABILITY OF MOUND BREAKWATERS: DEPENDENCE ON WAVE REFLECTION

Cristina Lopez; Miguel A. Losada; Nobuhisa Kobayashi

doi:10.9753/icce.v26.%p

No. 26 (1998), Conference Proceedings

No. 26 (1998)

STABILITY OF MOUND BREAKWATERS: DEPENDENCE ON WAVE REFLECTION

Conference Proceedings

https://doi.org/10.9753/icce.v26.%25p

Published 1998-01-29

Cristina Lopez⁺⁻
Miguel A. Losada⁺⁻
Nobuhisa Kobayashi⁺⁻

Cristina Lopez

Ocean & Coastal Research Group. University ofCantabria

Miguel A. Losada

University of Granada

Nobuhisa Kobayashi

Center for Applied Coastal Research. University of Delaware

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Keywords

reflection
breakwater
rubble mound breakwater
breakwater stability

How to Cite

Lopez, C., Losada, M. A., & Kobayashi, N. (1998). STABILITY OF MOUND BREAKWATERS: DEPENDENCE ON WAVE REFLECTION. Coastal Engineering Proceedings, 1(26). https://doi.org/10.9753/icce.v26.%p

Abstract

Since the work by Ahrens and McCartney (1975) and Bruun and Johannesson (1976), it has been accepted that, for given slope, unit type and damage level, the stability number, Ns, and the so called Kd factor depend on Iribarren number, Ir, and that the worst stable conditions are related to collapsing wave breakers. The plotted values of Ns and Kd from laboratory tests, as a function of In show a large scatter. This scatter is largerfor large values of I,. It is shown here that the scatter almost disappears once the data are plotted against kh, or In, using the total wave height at the toe of the structure instead of the incident wave height. The total wave height, Ht, results from the interaction of the incident and reflected wave trains on the slope and depends not only on the magnitude of the reflection coefficient but also on its phase.

https://doi.org/10.9753/icce.v26.%25p

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STABILITY OF MOUND BREAKWATERS: DEPENDENCE ON WAVE REFLECTION

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