Smart FRP Composite Sandwich Bridge Decks in Cold Regions
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Published Date:2011-07-01
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Language:English
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NTL Classification:NTL-HIGHWAY/ROAD TRANSPORTATION-Bridges and Structures ; NTL-ENERGY AND ENVIRONMENT-Environment Impacts ;
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Abstract:In this study, new and integrated Smart honeycomb Fiber-Reinforced Polymer (S-FRP) sandwich materials for various transportation construction applications, with particular emphasis on highway bridge decks in cold regions, were developed and tested. The novelty integrates advanced polymer composite materials with smart piezoelectric sensors and actuators to form smart structures, and along with advanced material technologies and proposed damage identification algorithms, it is capable of improving construction speed in cold climates and selfmonitoring structural conditions in remote sites. A combined experimental and analytical study to develop, evaluate and test the S-FRP sandwich materials was conducted, and related studies on dynamic response, temperature effect and scale-up of test results, development of viable and effective damage identification algorithms and techniques more suitable for 2-D plate-type structures, and experimental characterization were investigated.
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