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Hydraulic Model Study Of Hyrum Dam Auxiliary Labyrinth Spillway, Kathleen L. Houston, U.S. Department Of The Interior, Bureau Of Reclamation, Division Of Research, Hydraulics Branch
Hydraulic Model Study Of Hyrum Dam Auxiliary Labyrinth Spillway, Kathleen L. Houston, U.S. Department Of The Interior, Bureau Of Reclamation, Division Of Research, Hydraulics Branch
All U.S. Government Documents (Utah Regional Depository)
The updated IDF (inflow design flood) for Hyrum Reservoir could not be passed with the existing hydraulic structures. The labyrinth was the most economical alternative for an auxiliary spillway. The labyrinth spillway, a series of trapezoidal shapes in plan form, would provide the necessary spillway length and capacity within a comparatively small width. The spillway configuration was based on design curves developed in the Bureau of Reclamation Hydraulic Laboratory.
The 1:30 scale model included the upstream approach channel, the labyrinth spillway, and a transition section leading to a long sloping chute. The model confirmed the maximum discharge of the spillway …