Seismic Retrofit of Highway Bridge Structuresby Ray Zelinski, Caltrans, Sacramento, United States,
Anthony T. Dubovik, II, Caltrans, Sacramento, United States,
Abstract: 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 | Highway and road structures | Rehabilitation | Seismic tests | Seismic effects | Bridge columns | Construction costs | Load and resistance factor design | Concrete bridges | Superstructures | North America | California | United States
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