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Published July 2, 2014 | Submitted
Report Open

Interim Report November 1953

Abstract

Recent experimental work has concentrated on the study of resultant force and pressure distribution on the stepped barrier designated as Case 5 (W. M. Simpson, Serial 1057, 6 Aug 1953 / J. H . Carr). Case 5 barrier has a plane vertical front face extending the two feet from bottom to still-water surface. Above still-water level are five steps, each of 2.4-in. rise and tread. These dimensions, to a 20:1 scale, represent the prescribed prototype depth of 40 feet and the rise and tread of four feet each. The separate model barriers for resultant force and for pressure distribution measurements are each cast of aluminum. Vertical ribs at the rear provide rigidity and serve as convenient mounting surfaces.

Additional Information

Department of the Navy Bureau of Yards and Docks Contract NOy-12561.

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Submitted - Interim_Report_November_1953.pdf

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Created:
August 19, 2023
Modified:
October 26, 2023