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dc.contributorUnited States. Army. Corps of Engineers. Tulsa District.-
dc.contributor.authorFletcher, Bobby P.-
dc.descriptionTechnical Report-
dc.descriptionAbstract: The stilling basin for Copan Dam, which is expected to be subjected to unit discharges as large as 860 cfs, was studied on a 1:60-scale comprehensive model to confirm design and performance of the proposed stilling basin and exit area. Flow conditions in the approach area and over the spillway were satisfactory. The original design stilling basin, which under design discharge conditions is subject to flow with a Froude number of 3, performed adequately. However, alternate designs were investigated and the model indicated that the length of the stilling basin could be reduced 20 ft without impairing hydraulic performance. Model tests were also conducted to investigate the adequacy of proposed riprap for protection of the exit area and the feasibility of a retaining dike or levee which paralleled the center line of the exit channel. Failure of both the exit channel protective stone and the levee occurred with design discharge conditions. However, the height of levee required to prevent overtopping and the magnitude and direction of currents along the levee were determined in order that a stable levee could be provided, if desired.-
dc.publisherHydraulics Laboratory (U.S.)-
dc.publisherEngineer Research and Development Center (U.S.)-
dc.relation.ispartofseriesTechnical report (U.S. Army Engineer Waterways Experiment Station) ; H-70-9.-
dc.rightsApproved for public release; distribution is unlimited.-
dc.sourceThis Digital Resource was created from scans of the Print Resource-
dc.subjectCopan Dam-
dc.subjectLittle Caney River-
dc.subjectHydraulic models-
dc.subjectHydraulic structures-
dc.subjectStilling basins-
dc.titleSpillway for Copan Dam, Little Caney River, Oklahoma : hydraulic model investigation-
Appears in Collections:Technical Report

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