Coastal Structures and Solutions to Coastal Disasters Joint Conference 2015
A New Symmetrical Unit for Breakwater Armour: First Tests
Publication: Coastal Structures and Solutions to Coastal Disasters 2015: Resilient Coastal Communities
ABSTRACT
A new and symmetrical single layer armour unit, the crablock, has been designed in the U.A.E. One breakwater was reconstructed with crablock, but very limited testing had been performed. Just to become more acquainted with this new unit, pre-competitive research at a university has been performed, which is the subject of this paper. Being a new armour unit, the placement was investigated first. Then physical model tests were performed in a wave flume to come up with results on stability and wave overtopping. Moreover, to determine the interlocking properties of armour units, pull tests were also conducted in this research. Those results are not part of this paper. Test results on stability showed that the longer waves affected the armour layer a little more, with larger movements and earlier displacements. Packing density as well as placement pattern showed no influence on wave overtopping. The overtopping tests gave larger overtopping than expected, which might be due to the fairly steep 1:30 foreshore.
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5. ACKNOWLEDGEMENTS
The first author of this paper would like to thank the NICHE-081 BGD project, for funding his MSc study at UNESCO-IHE. Special thank goes to AM Marine Works and CDR international for partly sponsoring the laboratory studies at Delft University of Technology. Furthermore, we would like to place our appreciations to all the members of the support staff of the Hydraulics Laboratory at TU Delft for their assistance during the experiments.
REFERENCES
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Published In
Coastal Structures and Solutions to Coastal Disasters 2015: Resilient Coastal Communities
Pages: 891 - 901
Editors: Louise Wallendorf, U.S. Naval Academy and Daniel T. Cox, Ph.D., Oregon State University
ISBN (Online): 978-0-7844-8030-4
Copyright
© 2017 American Society of Civil Engineers.
History
Published online: Jul 11, 2017
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