A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Structural monitoring of composite marine piles using fiber optic sensors
This paper discusses structural health monitoring data obtained using an optical fiber Bragg grating (FBG) sensor system consisting of sensors embedded in the filament-wound composite marine pile. A composite marine pile is a tube containing a cement core that is used to support bridges, piers, and other structures. This system has applications for structural health monitoring of these structures. This paper presents the results of tests that retrofit two existing composite piles with 30 Bragg grating sensors. Each pile was retrofitted with three arrays, two arrays consisting of 6 gratings and one consisting of 3 gratings for strain and temperature measurements, respectively. Grooves were cut in the piles to allow for adhesive installation of the sensor arrays, and fiberglass cloth tape was laminated over the arrays to protect the optical fiber during the pile driving process. Data were collected prior to and during the pile driving process using a commercial off-the-shelf FBG interrogation system. The purposes of these tests were to (1) determine the survivability of the sensor arrays during the pile driving process, (2) measure residual strains on the filament wound composite tube following the pile driving process, and (3) determine whether structural integrity issues are observed from the strain data.
Structural monitoring of composite marine piles using fiber optic sensors
This paper discusses structural health monitoring data obtained using an optical fiber Bragg grating (FBG) sensor system consisting of sensors embedded in the filament-wound composite marine pile. A composite marine pile is a tube containing a cement core that is used to support bridges, piers, and other structures. This system has applications for structural health monitoring of these structures. This paper presents the results of tests that retrofit two existing composite piles with 30 Bragg grating sensors. Each pile was retrofitted with three arrays, two arrays consisting of 6 gratings and one consisting of 3 gratings for strain and temperature measurements, respectively. Grooves were cut in the piles to allow for adhesive installation of the sensor arrays, and fiberglass cloth tape was laminated over the arrays to protect the optical fiber during the pile driving process. Data were collected prior to and during the pile driving process using a commercial off-the-shelf FBG interrogation system. The purposes of these tests were to (1) determine the survivability of the sensor arrays during the pile driving process, (2) measure residual strains on the filament wound composite tube following the pile driving process, and (3) determine whether structural integrity issues are observed from the strain data.
Structural monitoring of composite marine piles using fiber optic sensors
Baldwin, Christopher S. (author) / Poloso, Toni (author) / Chen, Peter C. (author) / Niemczuk, John B. (author) / Kiddy, Jason S. (author) / Ealy, Carl (author)
Smart Structures and Materials 2001: Smart Systems for Bridges, Structures, and Highways ; 2001 ; Newport Beach,CA,United States
Proc. SPIE ; 4330
2001-07-30
Conference paper
Electronic Resource
English
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