Model Study of the Guadalupe River Bypass Culvert

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by Winston Glenn Davis, US Army Engineer Waterways, Experiment Station, Vicksburg, United States,

Document Type: Proceeding Paper

Part of: Hydraulic Engineering

Abstract: A hydraulic model investigation of proposed channel improvements for the Guadalupe River Channel was conducted at the US Army Engineer Waterways Experiment Station in Vicksburg, Mississippi. The channel improvement plan, designed by the US Army Engineer District, Sacramento, would provide flood protection up to a 100-year flood event by diverting a portion of the flood flows through a double cell box culvert around a flood prone reach of the river in downtown San Jose, California. A hydraulic physical model study was used to determine the hydraulic performance of the labyrinth weirs proposed for the diversion structure, the double-box culvert, and the confluence of the natural channel with the double-box culvert at the downstream end of the project. This paper discusses test results of the model investigation including initial problems encountered with the proposed design and recommended modifications required to improve the overall project performance.

Subject Headings: Model analysis | Culverts | Hydrologic models | Hydraulic models | Model tests | Floods | Rivers and streams | Weirs | Hydraulic design | North America | California | United States | San Jose (California) | Sacramento | Mississippi

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