EXPERIMENTAL STUDY ON THE EFFECT OF GRAVITY DRAINAGE SYSTEM ON BEACH STABILIZATION

Hiroshi Kanazawa; Fumihiko Matsukawa; Kazumasa Katoh; Iwao Hasegawa

doi:10.9753/icce.v25.%p

No. 25 (1996), Conference Proceedings

No. 25 (1996)

EXPERIMENTAL STUDY ON THE EFFECT OF GRAVITY DRAINAGE SYSTEM ON BEACH STABILIZATION

Conference Proceedings

https://doi.org/10.9753/icce.v25.%25p

Published 1996-01-29

Hiroshi Kanazawa⁺⁻
Fumihiko Matsukawa⁺⁻
Kazumasa Katoh⁺⁻
Iwao Hasegawa⁺⁻

Hiroshi Kanazawa

Yokohama Investigation and Design Office, the Second District Port Construction Bureau, Ministry of Transport

Fumihiko Matsukawa

Yokohama Investigation and Design Office, the Second District Port Construction Bureau, Ministry of Transport

Kazumasa Katoh

Port and Harbor Research Institute

Iwao Hasegawa

ECOH co.

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Keywords

beach stabalization
drainage system
gravity drainage
experimental study

How to Cite

Kanazawa, H., Matsukawa, F., Katoh, K., & Hasegawa, I. (1996). EXPERIMENTAL STUDY ON THE EFFECT OF GRAVITY DRAINAGE SYSTEM ON BEACH STABILIZATION. Coastal Engineering Proceedings, 1(25). https://doi.org/10.9753/icce.v25.%p

Abstract

In order to develop a new beach preservation technique which has two functions of protecting the beach in a storm and enabling utilization of beach during calm sea, we consider the system of controlling a groundwater level by burying a permeable layer under the foreshore. Since most of the components are buried underground, people on the beach do not notice the presence of the system, enabling preservation of the beach in its most natural state. The greatest challenge of the system is, however, whether installation of the permeable layer alone will fully prevent erosion. Authors therefore conducted an experiment to evaluate beach stabilization effect of the present system. The result indicates that the permeable layer buried in the sand can prevent rise in the groundwater level and the wave set-up. The critical wave height for the foreshore erosion is 1.66 times higher than that on the beach without the permeable layer.

https://doi.org/10.9753/icce.v25.%25p

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Authors retain copyright and grant the Proceedings right of first publication with the work simultaneously licensed under a Creative Commons Attribution License that allows others to share the work with an acknowledgement of the work's authorship and initial publication in this Proceedings.

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EXPERIMENTAL STUDY ON THE EFFECT OF GRAVITY DRAINAGE SYSTEM ON BEACH STABILIZATION

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