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Hydraulic Model Study of Ochoco Dam Spillway Modifications and Stilling Basin Design
The Bureau of Reclamation evaluated proposed modifications to the existing spillway for Ochoco Dam using a 1:36 scale model. The hydraulic model study was used to evaluate the performance of the spillway with modifications to the crest, inlet, and chute walls under a range of flows up to the new design flow of 15,000 ft3/s. The modified spillway must pass this flow without endangering the dam. In addition, the model was used to optimize the design of a new stilling basin and outlet channel to prevent erosion which could endanger the dam by exposing the aquifer that runs underneath and downstream from the dam.
Hydraulic Model Study of Ochoco Dam Spillway Modifications and Stilling Basin Design
The Bureau of Reclamation evaluated proposed modifications to the existing spillway for Ochoco Dam using a 1:36 scale model. The hydraulic model study was used to evaluate the performance of the spillway with modifications to the crest, inlet, and chute walls under a range of flows up to the new design flow of 15,000 ft3/s. The modified spillway must pass this flow without endangering the dam. In addition, the model was used to optimize the design of a new stilling basin and outlet channel to prevent erosion which could endanger the dam by exposing the aquifer that runs underneath and downstream from the dam.
Hydraulic Model Study of Ochoco Dam Spillway Modifications and Stilling Basin Design
L. J. Hanna (author)
1996
42 pages
Report
No indication
English
Civil Engineering , Spillways , Hydraulic models , Design criteria , Dams , Outlet works , Spillway crests , Settling basins , Inlets(Waterways) , Channels , Chutes , Weirs , Length , Velocity measurement , Discharge coefficient , Modifications , Hydraulic design , Erosion control , Energy dissipation , Model studies , Oregon , Engineering drawings , Photographs , Ochoco Dam , Crook County(Oregon)
Spillway Modifications: Ochoco Dam, Crooked River Project, Oregon
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