Seismic Retrofit of Highway Bridge Structures

by Ray Zelinski, Caltrans, Sacramento, United States,
Anthony T. Dubovik, II, Caltrans, Sacramento, United States,

Document Type: Proceeding Paper

Part of: Lifeline Earthquake Engineering


The California Division of Structures began its column retrofit program in 1986. This program is a supplement to the earlier superstructure retrofit program. Analysis and design concepts are discussed in this paper. Several projects have been completed at a cost of $30 million and about two dozen are currently being constructed with an estimated cost of $8 million.

Subject Headings: Highway bridges | Seismic design | Earthquakes | Rehabilitation | Seismic tests | Bridge design | California | United States | North America

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