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Proceedings Paper

Strain monitoring of composite-boned concrete specimen measurements by use of FMCW multiplexed fiber Bragg grating sensor array
Author(s): Peter K. C. Chan; Wei Jin; Alan Kin-tak Lau; Limin Zhou
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Paper Abstract

We report the use of fiber Bragg grating (FBG) sensors for strain measurement in a rectangular composite-bonded concrete beam. Three FBG sensors are multiplexed by using a frequency-modulated continuous wave technique and embedded at three different locations at the interface between the composite reinforcement and surfaces of the concrete beam specimen. Strain measurements were conducted with the concrete beam specimen subjected to a three-point bending test. The strains measured from the FBG sensors are compared with that from the external bonded electrical strain gauges.

Paper Details

Date Published: 9 May 2000
PDF: 4 pages
Proc. SPIE 4077, International Conference on Sensors and Control Techniques (ICSC 2000), (9 May 2000); doi: 10.1117/12.385518
Show Author Affiliations
Peter K. C. Chan, Hong Kong Polytechnic Univ. (Hong Kong)
Wei Jin, Hong Kong Polytechnic Univ. (Hong Kong)
Alan Kin-tak Lau, Hong Kong Polytechnic Univ. (Hong Kong)
Limin Zhou, Hong Kong Polytechnic Univ. (Hong Kong)


Published in SPIE Proceedings Vol. 4077:
International Conference on Sensors and Control Techniques (ICSC 2000)
Desheng Jiang; Anbo Wang, Editor(s)

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