CONTROL OF CROSS-SHORE SEDIMENT TRANSPORT BY A DISTORTED RIPPLE MAT

Isao Irie; Nobuyuki Ono; Seiya Hashimoto; Satoshi Nakamura; Keisuke Murakami

doi:10.9753/icce.v24.%p

No. 24 (1994), Conference Proceedings

No. 24 (1994)

CONTROL OF CROSS-SHORE SEDIMENT TRANSPORT BY A DISTORTED RIPPLE MAT

Conference Proceedings

https://doi.org/10.9753/icce.v24.%25p

Published 1994-01-29

Isao Irie⁺⁻
Nobuyuki Ono⁺⁻
Seiya Hashimoto⁺⁻
Satoshi Nakamura⁺⁻
Keisuke Murakami⁺⁻

Isao Irie

Dept. of CivilEng. Kyushu Univ.

Nobuyuki Ono

Dept. of CivilEng. Kyushu Univ.

Seiya Hashimoto

Dept. of CivilEng. Kyushu Univ.

Satoshi Nakamura

Dept. of CivilEng. Kyushu Univ.

Keisuke Murakami

Dept. of CivilEng. Kyushu Univ.

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Keywords

ripple
ripple mat
cross-shore transport
transport model

How to Cite

Irie, I., Ono, N., Hashimoto, S., Nakamura, S., & Murakami, K. (1994). CONTROL OF CROSS-SHORE SEDIMENT TRANSPORT BY A DISTORTED RIPPLE MAT. Coastal Engineering Proceedings, 1(24). https://doi.org/10.9753/icce.v24.%p

Abstract

A method to control cross-shore sediment transport by a distorted ripple mat which is the artificial ripples of distorted cross section has been studied through hydraulic experiments and numerical simulation. First of all,the relative importance of factors affecting cross-shore sediment transport on fixed bed ripples and the condition on which sediment is definitely transported onshoreward are obtained. Based on this condition,experiments with movable bed are carried out to see how efficiently the distorted ripple mat can be utilized in stabilizing natural/artificial beaches. Furthermore,a. numerical model of beach profile change in which effects of ripple distortion are considered has been developed and beach stabilizing effects of the mat are also reproduced numerically.

https://doi.org/10.9753/icce.v24.%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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CONTROL OF CROSS-SHORE SEDIMENT TRANSPORT BY A DISTORTED RIPPLE MAT

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