Chapter
Dec 31, 2015
Wave Forces on a Platform with Ribbed Bottom
Authors: Keith H. Denson and Melville S. PriestAuthor Affiliations
Publication: Coastal Engineering 1972
Abstract
Observation of hurricane damage along the Mississippi Gulf Coast has stimulated studies of wave action on structures which permit the waves to pass beneath the floor or bottom surface. This paper reports a laboratory study which compares relative drag and lift forces on a structure with a plane, horizontal bottom surface to those on a structure with a ribbed bottom surface, for various conditions of relative wave height and relative clearance of the structure above the stillwater surface. Also, the effects of relative depth of ribs, relative spacing of ribs, and end webs or diaphragms are noted. The study was limited to the condition for which the bottom ribs were transverse to the general direction of wave motion. The results, which are presented in graphical form, clearly show the effects of the ribs.
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© 1973 American Society of Civil Engineers.
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Published online: Dec 31, 2015
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Authors
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Keith H. Denson
Professor of Civil Engineering Mississippi State University State College, Mississippi
Melville S. Priest
Director Water Resources Research Institute Mississippi
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