Design of High Capacity Spillways for Ritschard Dam, Coloradoby T. B. Vermeyen, U.S. Bureau of Reclamation, Denver, United States,
D. H. Merritt, U.S. Bureau of Reclamation, Denver, United States,
G. M. Taylor, U.S. Bureau of Reclamation, Denver, United States,
Abstract: A hydraulic model investigation was conducted by the Bureau of Reclamation to assist in designing the hydraulic structures associated with Ritschard Dam. Ritschard Dam will have a labyrinth emergency spillway and ogee service spillway, both of which are expected to convey flows beyond the limits of contemporary design criteria. Preliminary flume studies were conducted on sections of the labyrinth and ogee crests to determine discharge coefficients and surface pressure distributions (ogee only). Ritschard Dam model was used to determine if the ogee and labyrinth spillways could, in combination, convey the peak outflow associated with the probable maximum flood.
Subject Headings: Spillways | Hydraulic design | Hydraulic models | Dams | Embankment dams | Hydrologic models | Pressure distribution | North America | Colorado | United States
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