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Outlet Works and Stilling Basin, Ririe Dam and Reservoir, Willow Creek, Idaho; Hydraulic Model Investigation
Ririe Dam is a 251-ft-high rockfill embankment on Willow Creek near Idaho Falla, Idaho. Flow regulation is provided by an outlet works consisting of an intake tower, two 3.75-ft by 7.0-ft slide valves, an 8.0-ft-wide by 11.25-ft-high conduit, a 20.0-ft-wide by 74.66-ft-long stilling basin, and a riprapped exit channel with bottom as wide as the stilling basin. A portion of the forebay, the hydraulic structures, and 300 ft of exit channel were reproduced in a 1:25-scale model. The model conduit was sloped to produce the computed specific energy gradient for the design discharge of 1900 cfs.
Outlet Works and Stilling Basin, Ririe Dam and Reservoir, Willow Creek, Idaho; Hydraulic Model Investigation
Ririe Dam is a 251-ft-high rockfill embankment on Willow Creek near Idaho Falla, Idaho. Flow regulation is provided by an outlet works consisting of an intake tower, two 3.75-ft by 7.0-ft slide valves, an 8.0-ft-wide by 11.25-ft-high conduit, a 20.0-ft-wide by 74.66-ft-long stilling basin, and a riprapped exit channel with bottom as wide as the stilling basin. A portion of the forebay, the hydraulic structures, and 300 ft of exit channel were reproduced in a 1:25-scale model. The model conduit was sloped to produce the computed specific energy gradient for the design discharge of 1900 cfs.
Outlet Works and Stilling Basin, Ririe Dam and Reservoir, Willow Creek, Idaho; Hydraulic Model Investigation
L. Z. Perkins (author) / P. M. Smith (author)
1972
66 pages
Report
No indication
English
Civil Engineering , Dams , Hydraulic Models , Water flow , Flow rate , Discharge , Idaho , Stilling basins , Ririe Dam , Willow Creek , Engineering design , Riprap , Outlet works