Chapter
Apr 26, 2012
Structural and Traffic Monitoring of an Interstate Bridge Using Optical Fiber Sensors
Publication: Advanced Technology in Structural Engineering
Abstract
A multiplexed Bragg Grating optical fiber monitoring system was designed and retrofitted to an in-service interstate highway bridge. The structure is a two span continuous, composite steel girder bridge with a reinforced concrete deck. A network of 64 sensors was used to measure the strain at several locations in the bridge, with sensors bonded to the top, bottom flange and web of the girders. The installed system was used for a dual purpose: structural evaluation as well as traffic monitoring. Vehicle speed, vehicle count, and traffic statistics are extracted from the data. A fatigue analysis of the bridge is performed.
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Published In
Advanced Technology in Structural Engineering
Pages: 1 - 9
Copyright
© 2000 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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Authors
Affiliations
Rola L. Idriss
Associate Professor, Civil Engineering Department, Box 3CE. New Mexico State University, Las Cruces, New Mexico 88003-0001
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.