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1987•Hydraulic EngineeringRequires access

Gradation and Layer Thickness Effects on Riprap

Steven R. Abt, James F. Ruff, Rodney J. Wittler, D. L. LaGrone

Open publisher page 4 citations

Abstract

Since riprap has become a costly and in some areas, scarce commodity, proper design maximizing the level of protection with a minimum rock size and layer thickness is an important goal. The objective of this investigation is to provide criteria for determining rock layer thickness and gradation influence in riprap for overtopping flow conditions. A series of flume tests were conducted in which layer thickness and gradation were evaluated. The results of those tests will be presented.

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What this paper is about

Since riprap has become a costly and in some areas, scarce commodity, proper design maximizing the level of protection with a minimum rock size and layer thickness is an important goal. The objective of this investigation is to provide criteria for determining rock layer thickness and gradation influence in riprap for overtopping flow conditions. A series of flume tests were conducted in which layer thickness and gradation were evaluated. The results of those tests will be presented.

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OpenAlex reports 4 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

Since riprap has become a costly and in some areas, scarce commodity, proper design maximizing the level of protection with a minimum rock size and layer thickness is an important goal. The objective of this investigation is to provide criteria for determining rock layer thickness and gradation influence in riprap for overtopping flow conditions. A series of flume tests were conducted in which layer thickness and gradation were evaluated. The results of those tests will be presented.

Key concepts: Gradation, Riprap, Flume, Geotechnical engineering, Layer (electronics), Flow (mathematics), Geology, Environmental science

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