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|Title:||Spillway for Burnsville Dam, Little Kanawha River, West Virginia : hydraulic model investigation|
|Authors:||United States. Army. Corps of Engineers. Huntington District.|
Fletcher, Bobby P.
Little Kanawha River
Open channel flow
|Publisher:||Hydraulics Laboratory (U.S.)|
Engineer Research and Development Center (U.S.)
|Series/Report no.:||Technical report (U.S. Army Engineer Waterways Experiment Station) ; H-75-5.|
Abstract: The concrete gravity ogee spillway for the Burnsville Dam will contain three 42-ft-wide gate bays separated by 8-ft wide piers. Outlet works consisting of five low-level and three water-quality sluices will discharge on the downstream slope of the spillway. A hydraulic-jump type stilling basin will provide satisfactory dissipation of the energy of the spillway and sluice flows. A 1:40-scale model of the spillway, sluices, stilling basin, approach area, and exit channel was used to study the overall hydraulic performance of the structure. Tests indicated that flow conditions in the approach to the spillway with both uncontrolled and controlled flows were satisfactory for the full range of anticipated discharges. The stilling basin performed satisfactorily for spillway flows, and the only structural modification recommended was the elimination of the wing walls at the end of the basin. An eddy developed in the basin during operation of the five low-level sluices because the unsymmetrical location of the sluices along the spillway created an uneven distribution of flow entering the basin. Operation of the right water-quality sluice simultaneously with the five low-level sluices resulted in satisfactory stilling basin performance. The size and extent of stone protection required on the dam embankment, side slopes of the exit channel, Fisherman's Bridge, and Fisherman's Weir were determined by model investigations.
|Rights:||Approved for public release; distribution is unlimited.|
|Appears in Collections:||Technical Report|