BERM BREAKWATERS - INFLUENCE OF STONE GRADATION PERMEABILITY AND ARMOURING

Jorgen Juhl; Peter Sloth

doi:10.9753/icce.v26.%p

No. 26 (1998), Conference Proceedings

No. 26 (1998)

BERM BREAKWATERS - INFLUENCE OF STONE GRADATION PERMEABILITY AND ARMOURING

Conference Proceedings

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

Published 1998-01-29

Jorgen Juhl⁺⁻
Peter Sloth⁺⁻

Jorgen Juhl

COWI

Peter Sloth

Danish Hydraulic Institute

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Keywords

breakwater
berm breakwater
stone gradation
armor

How to Cite

Juhl, J., & Sloth, P. (1998). BERM BREAKWATERS - INFLUENCE OF STONE GRADATION PERMEABILITY AND ARMOURING. Coastal Engineering Proceedings, 1(26). https://doi.org/10.9753/icce.v26.%p

Abstract

The difference in reshaping of a traditional berm breakwater constructed of two stone classes and a more stable armoured type of berm breakwater with the largest berm stones used as an armour layer has been studied through physical model tests at the Danish Hydraulic Institute. A total of eight series of model tests were carried out in a wave flume with the aim of studying the effect of different armouring of the berm. The test results are described in the form of profile development, recession of the berm, waves generated by overtopping and wave reflection. Further, four series of flume tests were carried out for studying the influence ofthe width of the stone gradation for the berm material and the permeability of the berm material. Two stone gradations and three permeabilities of the berm material were tested. Finally, four test series were carried out for studying the influence ofscour protection on the scouring in front of the berm breakwater and the behaviour of the berm breakwater.

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

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BERM BREAKWATERS - INFLUENCE OF STONE GRADATION PERMEABILITY AND ARMOURING

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