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 and road structures | Highway bridges | Seismic tests | Seismic effects | Rehabilitation | Construction costs | Bridge columns | Load and resistance factor design | California | United States

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