Advanced composites known as polymer matrix composites (PMCs) or fiber reinforced polymers (FRPs) have been shown to be structurally very efficient in the seismic retrofit of constructed facilities. Light weight and ease of application also results in cost effective retrofit measures despite higher material costs compared to conventional retrofit systems.

Design and application issues with advanced composite retrofits are discussed together with structural performance validations from large and full scale laboratory experiments. Examples for seismic response and retrofit design will include laboratory test and field applications on seismic retrofits of reinforced concrete bridge columns, bridge bents, and superstructures. Detailed design guidelines for seismic retrofits using FRPs are presented together with critical detailing and application issues. Future developments on the use of advanced composites in seismic bridge protection will be discussed.

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