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1963•Journal of the Waterways and Harbors DivisionRequires access

Effect of Berm on Wave Run-Up on Composite Beaches

John B. Herbich, Robert M. Sorensen, Jack H. Willenbrock

Open publisher page 9 citations

Abstract

Accurate information concerning the height of wave run-up on composite beaches is needed for the determination of crest elevation for various engineering structures. The validity of Saville's method for determining wave run-up on composite beaches was experimentally tested in the laboratory for the case of long horizontal berm. The results indicate that there is little agreement between the method and the actual run-up when the ratio of length of berm to wave length is greater than 0.15. Visual observations indicate that in case of long horizontal berms, the run-up greatly depends on whether or not a slug of water had set-up on the berm.

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What this paper is about

Accurate information concerning the height of wave run-up on composite beaches is needed for the determination of crest elevation for various engineering structures. The validity of Saville's method for determining wave run-up on composite beaches was experimentally tested in the laboratory for the case of long horizontal berm. The results indicate that there is little agreement between the method and the actual run-up when the ratio of length of berm to wave length is greater than 0.15. Visual observations indicate that in case of long horizontal berms, the run-up greatly depends on whether or not a slug of water had set-up on the berm.

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Available abstract

Accurate information concerning the height of wave run-up on composite beaches is needed for the determination of crest elevation for various engineering structures. The validity of Saville's method for determining wave run-up on composite beaches was experimentally tested in the laboratory for the case of long horizontal berm. The results indicate that there is little agreement between the method and the actual run-up when the ratio of length of berm to wave length is greater than 0.15. Visual observations indicate that in case of long horizontal berms, the run-up greatly depends on whether or not a slug of water had set-up on the berm.

Key concepts: Berm, Crest, Geology, Geotechnical engineering, Coastal engineering, Elevation (ballistics), Armour, Composite number

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