FIELD EXPERIMENT ON BEACH NOURISHMENT USING GRAVEL AT JINKOJI COAST

Takayuki Kumada; Takaaki Uda; Takeo Matsu-ura; Michio Sumiya

doi:10.9753/icce.v32.sediment.100

No. 32 (2010), Sediment Transport and Morphology

No. 32 (2010)

FIELD EXPERIMENT ON BEACH NOURISHMENT USING GRAVEL AT JINKOJI COAST

Sediment Transport and Morphology

https://doi.org/10.9753/icce.v32.sediment.100

Published 2011-01-29

Takayuki Kumada⁺⁻
Takaaki Uda
Takeo Matsu-ura
Michio Sumiya

Takayuki Kumada

Public Works Research Center

Takaaki Uda

Takeo Matsu-ura

Michio Sumiya

Proceedings of the 32nd International Conference

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Keywords

beach nourishment
gravel
artificial headland
monitoring survey
change in grain size

How to Cite

Kumada, T., Uda, T., Matsu-ura, T., & Sumiya, M. (2011). FIELD EXPERIMENT ON BEACH NOURISHMENT USING GRAVEL AT JINKOJI COAST. Coastal Engineering Proceedings, 1(32), sediment.100. https://doi.org/10.9753/icce.v32.sediment.100

Abstract

Beach nourishment using 87,000 m3 of gravel with grain size between 2.5 and 13 mm was experimentally carried out until April 2008 at the Jinkoji coast, which faces the Pacific Ocean and is surrounded by artificial headlands. Monitoring surveys, a boring test and core sampling on the beach were carried out to investigate the mechanism of the formation of gravel layers and their effect on protecting the foot of the seawall. It was found that the nourishment gravel was deposited with a slope of 1/8 at the foot of the seawall, thus providing some protection to the seawall, and that the nourishment gravel was stably deposited without offshore discharge.

https://doi.org/10.9753/icce.v32.sediment.100

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References

Komar, P. D. 2007. The design of stable and aesthetic beach fills: Learning from Nature, Coastal Sediments 07, 420-433.http://dx.doi.org/10.1061/40926(239)32

Kumada, T., T. Uda, M. Serizawa, H. Ishii, T. Nakamura and Y. Oki. 2007. Numerical simulation and field experiment on beach nourishment using coarse materials, Asian and Pacific Coasts 2007, Proc. 4 th Inter. Conf., 1094-1105.

Matsu-ura, T., T. Uda, T. Kumada and H. Nagayama. 2008. Evaluation of stabilization effect by artificial headlands built on Kashimanada coast using model for predicting changes in contour lines and grain sizes, Proc. 31 st ICCE, 1888-1900.

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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FIELD EXPERIMENT ON BEACH NOURISHMENT USING GRAVEL AT JINKOJI COAST

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