Coastal Structures and Solutions to Coastal Disasters Joint Conference 2015
Wave Transmission through Artificial Reef Breakwaters
Publication: Coastal Structures and Solutions to Coastal Disasters 2015: Resilient Coastal Communities
ABSTRACT
The use of artificial reefs as wave attenuating structures is becoming more common in the design of living shoreline projects. Unfortunately, their behavior and performance are not widely known. A series of geometrically scaled laboratory experiments were conducted to measure wave transmission behind bagged oyster shell breakwaters, concrete wave transmission frustums, and triangular oyster shell cages. The experiments covered a range of water depths and wave characteristics representative of conditions commonly encountered at project sites throughout the Gulf Coast. The wave attenuating capabilities of the various structures are described in terms of hydrodynamic parameters and structure geometries. Experimental results reveal strong correlations between wave transmission and simple, dimensionless parameters. However, existing methods for estimating wave transmission through rubble mound structures do not provide accurate estimates for these structures. This work will lead to the development of simple predictive equations for estimating wave transmission coefficients, within an appropriate range of uncertainty, for these complex and unique non-rock alternatives.
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ACKNOWLEDGMENTS
This research was made possible through support provided by the U.S. Department of Commerce through the National Oceanic and Atmospheric Administration through The University of Southern Mississippi under terms of Agreement No. NA10OAR4170078. The opinions expressed herein are those of the authors and do not necessarily reflect the views of the U.S. Department of Commerce, the National Oceanic and Atmospheric Administration or The University of Southern Mississippi.
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Published In
Coastal Structures and Solutions to Coastal Disasters 2015: Resilient Coastal Communities
Pages: 432 - 441
Editors: Louise Wallendorf, U.S. Naval Academy and Daniel T. Cox, Ph.D., Oregon State University
ISBN (Online): 978-0-7844-8030-4
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© 2017 American Society of Civil Engineers.
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Published online: Jul 11, 2017
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