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Bartlett Dam Fuseplug Auxiliary Spillway

by Bruce C. Muller, Jr., U.S. Bureau of Reclamation, Boise, United States,



Document Type: Proceeding Paper

Part of: Hydraulic Engineering

Abstract:

Bartlett Dam is located approximately 77 km northeast of Phoenix, Arizona on the Verde River. The Bureau of Reclamation (Reclamation) has determined that the structure is not capable of withstanding large flood and seismic loading conditions. Because of the dam's proximity to the city of Phoenix, designs and specifications are currently being prepared for the modification of the dam. The selected alternative consists of an auxiliary spillway through a saddle in the reservoir rim combined with raising the dam 6.5 meters and strengthening critical features of the dam. The auxiliary spillway will be controlled by three fuseplug embankments. Design of the auxiliary spillway to pass large flood events required a unique balance of performance requirements, design constraints, and coordination with the modification design for Horseshoe Dam located upstream.

Subject Headings: Spillways | Dams | Structural design | Hydraulic design | Floods | Bureau of Reclamation | Structural safety | Arizona | United States | Phoenix

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