Use of a scrapped ship as a floating breakwater for shore protection

This paper aims to assess the effectiveness of a ship used as a detached floating breakwater for coastal protection and forming salients of sand or tombolos. Floating breakwaters have been extensively used as port or coastal protection structures and display advantages in terms of construction and e...

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Bibliographic Details
Published in:Journal of coastal research 2013-01, Vol.1 (65), p.225-225
Main Authors: Lazaro, A Fernandez, Serret, R M Gutierrez, Negro, V, Lopez-Gutierrez, J S
Format: Article
Language:English
Subjects:
Breakwalls
Breakwaters
Coastal
Coastal zone management
Coasts
Coefficients
Detaching
Environmental protection
Marine ecology
Oceans
Sand
Ships
Shore protection
Shoreline protection
Shorelines
Shores
Wave height
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Summary:This paper aims to assess the effectiveness of a ship used as a detached floating breakwater for coastal protection and forming salients of sand or tombolos. Floating breakwaters have been extensively used as port or coastal protection structures and display advantages in terms of construction and ecology, amongst others. Tests were carried out to assess the ship's effectiveness as a detached floating breakwater using a scaled down physical model to determine the vessel's transmission coefficient (Kt) as to regular waves with significant periods of 5 sec to 12 sec and significant wave heights of 1.5 m to 4 m at depths from 20 m to 35 m. The ship proves effective for waves up to 4 m significant height and significant periods up to 9 sec. Hanson and Kraus and Pilarzyk's analytical models, which take transmission coefficients into account, were used to analyse the shore's response to the breakwater protection. The results obtained show that salients form for waves with periods between 6 sec and 9 sec.
ISSN:0749-0208
1551-5036
DOI:10.2112/SI65-039