Bed Load Roughness in Supercritical Flowby Scott E. Stonestreet, (M.ASCE), US Army Corps of Engineers, Los Angeles, United States,
Ronald R. Copeland, (M.ASCE), US Army Corps of Engineers, Los Angeles, United States,
Darla C. McVan, US Army Corps of Engineers, Los Angeles, United States,
Document Type: Proceeding Paper
Part of: Hydraulic Engineering
A supercritical concrete channel has been proposed for Mission Creek located in Santa Barbara County, California. The proposed channel could transport gravels and cobbles as bed load during large flood events. Physical and numerical modeling have been conducted to determine the effect of the bed load transport on the hydraulic roughness of the proposed channel. The results of this study indicate a slight increase in hydraulic roughness with increased bed load concentration. Formation of bed forms did not occur for concentrations of less than 3000 ppm.
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