TECHNICAL PAPERS
Sep 1, 1985
Damage to Armor Units: Model Technique
Author: K. den BoerAuthor Affiliations
Publication: Journal of Waterway, Port, Coastal, and Ocean Engineering
Volume 111, Issue 5
Abstract
After a storm on December 31, 1979 and January 1, 1980, with a maximum of 23.3 ft (7.1 m) a large number of broken Dolosse of 15 metric tonnes (15,000 kg) was observed on the west breakwater of Gioia Tauro, Italy. The present paper describes a study in which the storm was reproduced in a model at a scale of 1 to 45.5 and with which a stable modified design was determined. A model technique using single frame film exposures was applied in order to detect rocking of Dolosse. The main conclusion is that the number of rocking plus the number of displaced Dolosse observed in the model corresponds well to the number of broken Dolosse in nature. This conclusion is only valid for the slope above still‐water level.
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References
1.
Burcharth, H. F., Full‐Scale Trials of Dolosse to Destruction, Aalborg University Center, Aalborg, Denmark, 1980.
2.
Mansard, E. P. D., and Ploeg, J., “Model Tests of Sines Breakwater,” Report LTR‐HY‐67, National Research Council, Canada, Oct., 1978.
3.
Mol, A., Ligteringen, H., Groeneveld, R. L., and Pita, C., “Sines West Breakwater: Study of Armour Stability,” Coastal Structures '83, Washington, Mar., 1983.
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Copyright © 1985 ASCE.
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Published online: Sep 1, 1985
Published in print: Sep 1985
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K. den Boer
Proj. Engr., Delft Hydr. Lab., P.O. Box 152, 8300 AD EMMELOORD, The Netherlands
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