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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Seismic Rehabilitation of Concrete Bridge Substructures
Author(s): Bernard L. Meyers
Publication: Special Publication
Appears on pages(s): 191-206
Keywords: bridges (structures); columns (supports); costs; earthquake-resistant structures; substructures; Construction
Abstract:Describes the seismic rehabilitation methods for the reinforced concrete substructures of two structural steel bridges in California, the South San Francisco Overhead Bridge and the Los Angeles River Bridge. The rehabilitation is part of the seismic retrofit program implemented by the California Department of Transportation (Caltrans) after the 1989 Loma Prieta earthquake. The analysis and design basically followed the general seismic retrofit principles and guidelines developed by Caltrans and other research institutes in recent years. However, due to the site conditions and retrofit limitations of these two bridges, innovative methods were employed to minimize the retrofit costs.
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