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Innovative Solution for Urban Freeway Reconstruction

by W. Jack Wilkes, Figg & Muller Engineers Inc, Austin, TX, USA,



Document Type: Proceeding Paper

Part of: Rebuilding America: Infrastructure Rehabilitation

Abstract:

Technology which was developed for economic and rapid construction of precast concrete segmental box girder bridges is being utilized to permit the reconstruction of an urban freeway in San Antonio, Texas. These design and construction techniques which will be utilized will include span by span erection, external post tensioning tendons, progressive erection of the spans from the previously completed superstructure, transverse pretentioning of the top slab, and erection from twin triangular trusses supported from the piers. Essential criteria for the project included aesthetically acceptable structure design and minimum interference with existing traffic.

Subject Headings: Precast concrete | Infrastructure construction | Highways and roads | Construction management | Concrete construction | Urban and regional development | Traffic management | Texas | United States

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