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Dec 31, 2015
Effects of Structure on Deposition of Discharged Sediment around Rivermouth
Authors: Ichiro Deguchi and Toru SawaragiAuthor Affiliations
Publication: Coastal Engineering 1988
Abstract
The influence of coastal structures on a discharged flow and a depositional pattern of discharged sediment from a river are investigated experimentally. It is found that a pair of offshore detached breakwaters, as well as a pair of jetties, had a little influence on them. The offshore detached breakwater has also a function to prevent rivermouth from filling up with depositional sediment by waves. A numerical procedure for the prediction of depositional pattern of discharged sediment is developed based on the experimental results. The proposed numerical procedure is shown to reproduce depositional patterns around a rivermouth without structures and a jetty-protected rivermouth satisfactorily. However, the flow pattern around the offshore detached breakwater-protected rivermouth can not be reproduced.
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Published In
Coastal Engineering 1988
Pages: 1573 - 1587
Copyright
© 1989 American Society of Civil Engineers.
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Published online: Dec 31, 2015
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Authors
Affiliations
Ichiro Deguchi
Associ. Prof., Dept. of Civil Engineering, Osaka University
Toru Sawaragi
Prof., Dept. of Civil Engineering, Osaka University Yamada-oka, Suita-city, Osaka 565, Japan
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