In-situ temperature calibration procedure for temperature and strain fibre Bragg grating sensors for monitoring pre-stressing strands

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

3 Citations (Scopus)

Abstract

In this work, we demonstrate active and passive methods for in-situ temperature calibration of fibre Bragg grating strain and temperature sensors. The method is suitable for characterizing sensors which are already attached to the steel reinforcements of civil structures. The proposed method, which involves the use of active induction heating or passive room temperature fluctuations, can be implemented using portable equipment, is time efficient, and can be used to calibrate attached sensors on-site, rather than in lab conditions. Preliminary results of the induction heating calibration show good agreement with pre-calibrated temperature sensors. In-situ calibration of fibre strain sensors, attached to a prestressing strand is also successfully carried out.

LanguageEnglish
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
EditorsHypolito J. Kalinowski, José Luís Fabris, Wojtek J. Bock
Volume9634
DOIs
Publication statusPublished - 2015
Event24th International Conference on Optical Fibre Sensors - Brazil, Curitiba, Brazil
Duration: 28 Sep 20152 Oct 2015

Conference

Conference24th International Conference on Optical Fibre Sensors
CountryBrazil
CityCuritiba
Period28/09/152/10/15

Fingerprint

Fiber Bragg Grating Sensor
Fiber Bragg gratings
strands
Induction Heating
Bragg gratings
Strain Sensor
Calibration
Induction heating
Temperature Sensor
Temperature sensors
Monitoring
induction heating
fibers
sensors
Sensors
temperature sensors
Portable equipment
Sensor
Fiber Sensor
portable equipment

Keywords

  • fibre bragg gratings
  • prestress monitoring
  • structural health monitoring
  • temperature calibration

Cite this

McKeeman, I., Fusiek, G., Perry, M., Niewczas, P., & Johnston, M. (2015). In-situ temperature calibration procedure for temperature and strain fibre Bragg grating sensors for monitoring pre-stressing strands. In H. J. Kalinowski, J. L. Fabris, & W. J. Bock (Eds.), Proceedings of SPIE - The International Society for Optical Engineering (Vol. 9634). [96345I] https://doi.org/10.1117/12.2193193
McKeeman, I. ; Fusiek, G. ; Perry, M. ; Niewczas, P. ; Johnston, M. / In-situ temperature calibration procedure for temperature and strain fibre Bragg grating sensors for monitoring pre-stressing strands. Proceedings of SPIE - The International Society for Optical Engineering. editor / Hypolito J. Kalinowski ; José Luís Fabris ; Wojtek J. Bock. Vol. 9634 2015.
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McKeeman, I, Fusiek, G, Perry, M, Niewczas, P & Johnston, M 2015, In-situ temperature calibration procedure for temperature and strain fibre Bragg grating sensors for monitoring pre-stressing strands. in HJ Kalinowski, JL Fabris & WJ Bock (eds), Proceedings of SPIE - The International Society for Optical Engineering. vol. 9634, 96345I, 24th International Conference on Optical Fibre Sensors, Curitiba, Brazil, 28/09/15. https://doi.org/10.1117/12.2193193

In-situ temperature calibration procedure for temperature and strain fibre Bragg grating sensors for monitoring pre-stressing strands. / McKeeman, I.; Fusiek, G.; Perry, M.; Niewczas, P.; Johnston, M.

Proceedings of SPIE - The International Society for Optical Engineering. ed. / Hypolito J. Kalinowski; José Luís Fabris; Wojtek J. Bock. Vol. 9634 2015. 96345I.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

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AU - Johnston, M.

N1 - Copyright 2015 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited

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N2 - In this work, we demonstrate active and passive methods for in-situ temperature calibration of fibre Bragg grating strain and temperature sensors. The method is suitable for characterizing sensors which are already attached to the steel reinforcements of civil structures. The proposed method, which involves the use of active induction heating or passive room temperature fluctuations, can be implemented using portable equipment, is time efficient, and can be used to calibrate attached sensors on-site, rather than in lab conditions. Preliminary results of the induction heating calibration show good agreement with pre-calibrated temperature sensors. In-situ calibration of fibre strain sensors, attached to a prestressing strand is also successfully carried out.

AB - In this work, we demonstrate active and passive methods for in-situ temperature calibration of fibre Bragg grating strain and temperature sensors. The method is suitable for characterizing sensors which are already attached to the steel reinforcements of civil structures. The proposed method, which involves the use of active induction heating or passive room temperature fluctuations, can be implemented using portable equipment, is time efficient, and can be used to calibrate attached sensors on-site, rather than in lab conditions. Preliminary results of the induction heating calibration show good agreement with pre-calibrated temperature sensors. In-situ calibration of fibre strain sensors, attached to a prestressing strand is also successfully carried out.

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McKeeman I, Fusiek G, Perry M, Niewczas P, Johnston M. In-situ temperature calibration procedure for temperature and strain fibre Bragg grating sensors for monitoring pre-stressing strands. In Kalinowski HJ, Fabris JL, Bock WJ, editors, Proceedings of SPIE - The International Society for Optical Engineering. Vol. 9634. 2015. 96345I https://doi.org/10.1117/12.2193193