Hydraulic Design of the Unser Boulevard Crossingby J. D. Schall, Resource Consultants Inc, United States,
D. M. Frick, Resource Consultants Inc, United States,
P. F. Lagasse, Resource Consultants Inc, United States,
Abstract: As an integral part of the design process, a comprehensive hydrologic, hydraulic and sediment transport analysis was completed of the proposed Unser Boulevard crossing of Calabacillas Arroyo, located near Albuquerque, New Mexico. The project had three major objectives: to detain stormwater to protect downstream facilities; to mitigate the possibility of a sediment plug in the Rio Grande; and to provide a roadway for Unser Boulevard across the arroyo. Conceptual design called for an embankment across the arroyo with a trapezoidal low flow channel opening to pass flows up to the 100-year flood, and a dip crossing functioning as a spillway for larger flows. Results of the investigation were invaluable to design process, providing specific recommendations to the proposed design necessary to improve hydrologic, hydraulic and sediment transport performance.
Subject Headings: Hydraulic design | Channel flow | Sediment transport | Highway and road design | Hydrology | Floods | Low flow | Developing countries | North America | United States | New Mexico | Albuquerque | Rio Grande
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