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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Publication/ Report Number:INE/AUTC # 12.09
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Edition:Final; 8/3/2007-4/30/2011.
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NTL Classification:NTL-HIGHWAY/ROAD TRANSPORTATION-Bridges and Structures ; NTL-ENERGY AND ENVIRONMENT-Environment Impacts ;Format:Subject/TRT Terms:Abstract:What if every time a bridge on a lonely road got icy, it automatically notified the local DOT to begin ice-control safety measures? What if a bridge could tell someone
every time an overloaded truck hit the decking, or when the trusses under it began to weaken? This project, a partnership of Washington State University, the University
of Alaska Fairbanks, and Kansas Structural Composites, Inc. takes the first steps to develop, manufacture, test, and implement Smart Honeycomb Fiber-Reinforced
Polymer (S-FRP) sandwich materials for transportation projects. This material integrates advanced composite materials with sensors and actuators. So far, researchers
have tested an S-FRP sandwich deck panel, evaluated several S-FRP sandwich beams in cold temperatures, and developed effective structural-health monitoring
strategies. Dynamic tests of the S-FRP sandwich deck panel with and without damage continue, and structural-health monitoring strategies for cold temperature exposures
will be developed. A combined experimental, theoretical, and numerical approach will result in new techniques for structural-health monitoring and damage identification
of thick sandwich deck panels. It is anticipated that, with wireless communication technologies, the developed structural-health monitoring strategies will be capable of
remotely monitoring and assessing the structural integrity of sandwich bridge decks in cold regions.
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