Offshore breakwaters in laboratory and field

Kyungduck Suh; Robert A. Dalrymple

doi:10.1061/(ASCE)0733-950X(1987)113:2(105)

Offshore breakwaters in laboratory and field

Kyungduck Suh, Robert A. Dalrymple

Civil and Environmental Engineering

Research output: Contribution to journal › Article › peer-review

81 Scopus citations

Abstract

Small-scale model tests for single and multiple offshore breakwaters were performed in a spiral wave basin to examine the effects of their geometric parameters on the morphological change in their vicinity. The model results are compared with physical model studies reported by others and with offshore breakwaters in the field. All the horizontal lengths are nondimensionalized with respect to the offshore distance of the breakwater from the original shoreline, XB. Three dimensionless variables, X*_b (=X_b/X_B), L*_B (=L_B/X_B), and G*_B (=G_B/X_B), are found to be important, in which X_b, L_B, and G_B are the surf zone width, the length of breakwater, and the gap spacing between adjacent breakwaters, respectively.

Original language	English (US)
Pages (from-to)	105-121
Number of pages	17
Journal	Journal of Waterway, Port, Coastal and Ocean Engineering
Volume	113
Issue number	2
DOIs	https://doi.org/10.1061/(ASCE)0733-950X(1987)113:2(105)
State	Published - Mar 1987

ASJC Scopus subject areas

Civil and Structural Engineering
Water Science and Technology
Ocean Engineering

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10.1061/(ASCE)0733-950X(1987)113:2(105)

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AB - Small-scale model tests for single and multiple offshore breakwaters were performed in a spiral wave basin to examine the effects of their geometric parameters on the morphological change in their vicinity. The model results are compared with physical model studies reported by others and with offshore breakwaters in the field. All the horizontal lengths are nondimensionalized with respect to the offshore distance of the breakwater from the original shoreline, XB. Three dimensionless variables, X*b (=Xb/XB), L*B (=LB/XB), and G*B (=GB/XB), are found to be important, in which Xb, LB, and GB are the surf zone width, the length of breakwater, and the gap spacing between adjacent breakwaters, respectively.

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Offshore breakwaters in laboratory and field

Abstract

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