Chapter
Jul 11, 2017
Coastal Structures and Solutions to Coastal Disasters Joint Conference 2015

Asset Management Strategy for a Coastal Revetment Exposed to Increased Wave Forcing: Grays Harbor, Washington, U.S.A.

Publication: Coastal Structures and Solutions to Coastal Disasters 2015: Resilient Coastal Communities

ABSTRACT

The Grays Harbor federal navigation project is on the southwest coast in Washington State, U.S.A. Recently, increased wave energy associated with the morphology of the harbor inlet throat has resulted in significant damages to the Point Chehalis revetment. Nearshore wave heights at the revetment have increased to the point where wave overtopping occurs routinely during a typical storm season (late October to late March). The high frequency of overtopping has resulted in progressive damage and subsidence of the structure over the past decade resulting in emergency repairs in 2010. This paper presents risk management tools utilized to help predict where future damages would occur as a result of the evolving nearshore wave conditions as well as a rehabilitation plan to mitigate future damages over the structures life cycle.

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REFERENCES

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Lin, L., Demirbilek, Z., Mase, H., Zheng, J. and F. Yamada. 2008. CMS-WAVE: A nearshore spectral wave processes model for coastal inlets and navigation projects. Coastal and Hydraulics Engineering Technical Report ERDC/CHL TR-08-13. Vicksburg, MS: U.S. Army Engineer Research and Development Center.
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Information & Authors

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Go to Coastal Structures and Solutions to Coastal Disasters 2015
Coastal Structures and Solutions to Coastal Disasters 2015: Resilient Coastal Communities
Pages: 247 - 255
Editors: Louise Wallendorf, U.S. Naval Academy and Daniel T. Cox, Ph.D., Oregon State University
ISBN (Online): 978-0-7844-8030-4

History

Published online: Jul 11, 2017
Published in print: Jul 11, 2017

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David R. Michalsen [email protected]
U.S. Army Corps of Engineers, Seattle District. P.O. 3755, Seattle, WA 98124. E-mail: [email protected]
Scott H. Brown [email protected]
U.S. Army Corps of Engineers, Seattle District. P.O. 3755, Seattle, WA 98124. E-mail: [email protected]

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