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Proceedings Paper

Simultaneous monitoring of strain and temperature in concrete structures with embedded fiber Bragg gratings
Author(s): Yong Wang; Chuan Swee Tjin; Xiaoming Sun; Tuan-Kay Lim; Pilate Moyo; James M. W. Brownjohn
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Paper Abstract

Fiber Bragg grating (FBG)-based strain and temperature sensor array were embedded into the concrete structure in order to provide real-time information on its strain and temperature distribution. The sensors were wavelength- multiplexed along a single fiber. The temperature and strain sensors were specially designed and optimized for their measurands. The calibration experiments of those FBG sensors, and parameter monitoring during the structural curing processes were also presented in this paper. These fiber optic strain and temperature sensor show many advantages over the traditional electrical strain gauges and thermocouples.

Paper Details

Date Published: 13 June 2001
PDF: 6 pages
Proc. SPIE 4317, Second International Conference on Experimental Mechanics, (13 June 2001); doi: 10.1117/12.429635
Show Author Affiliations
Yong Wang, Nanyang Technological Univ. (Singapore)
Chuan Swee Tjin, Nanyang Technological Univ. (Singapore)
Xiaoming Sun, Nanyang Technological Univ. (Singapore)
Tuan-Kay Lim, Nanyang Technological Univ. (Singapore)
Pilate Moyo, Nanyang Technological Univ. (Singapore)
James M. W. Brownjohn, Nanyang Technological Univ. (Singapore)

Published in SPIE Proceedings Vol. 4317:
Second International Conference on Experimental Mechanics
Fook Siong Chau; Chenggen Quan, Editor(s)

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