EFFECTS OF WAVE GROUPING ON BREAKWATER STABILITY

R.R. Johnson; E.P.D. Mansard; J. Ploeg

doi:10.9753/icce.v16.134

No. 16 (1978), Conference Proceedings

No. 16 (1978)

EFFECTS OF WAVE GROUPING ON BREAKWATER STABILITY

Conference Proceedings

https://doi.org/10.9753/icce.v16.134

Published 1978-01-29

R.R. Johnson⁺⁻
E.P.D. Mansard⁺⁻
J. Ploeg⁺⁻

R.R. Johnson

University of Tennessee at Chattanooga

E.P.D. Mansard

Hydraulics Laboratory, National Research Council of Canada

J. Ploeg

Hydraulics Laboratory, National Research Council of Canada

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Keywords

wave grouping
breakwater
breakwater stability

How to Cite

Johnson, R., Mansard, E., & Ploeg, J. (1978). EFFECTS OF WAVE GROUPING ON BREAKWATER STABILITY. Coastal Engineering Proceedings, 1(16), 134. https://doi.org/10.9753/icce.v16.134

Abstract

It has been found that certain sequences of waves, such as occurring within well defined wave groups, can cause greater damage to rubble mound structures, than equally high individual waves dispersed throughout a wave train. It has therefore been necessary to develop a new wave synthesizing technique, which allows control of the phasing of the wave frequencies, so that a similar degree of wave grouping can be produced in the laboratory as is expected to occur at a particular location in the prototype. Also, during the course of this investigation, an attempt was made to simulate the strength of concrete armour units to the correct model scale. The breaking of armour units, due to their rocking or being displaced, resulted in a much higher percentage of damage, than would have been possible to predict from tests with commonly used model armour units.

https://doi.org/10.9753/icce.v16.134

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EFFECTS OF WAVE GROUPING ON BREAKWATER STABILITY

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