Vol. 19 No. 1 (2022): Journal of Non Destructive Testing and Evaluation (JNDE), March 2022
Research Papers

Monitoring of Settlement in Masonry Arch using FBG Sensors

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  • Hina Gupta,
  • Debdutta Ghosh,
  • Achal K Mittal
Hina Gupta
CSIR-Central Building Research Institute, Roorkee, India
Debdutta Ghosh
CSIR-Central Building Research Institute, Roorkee, India
Achal K Mittal
CSIR-Central Building Research Institute, Roorkee, India

Published 20-03-2022

Keywords

  • SHM,
  • Fiber Bragg Grating,
  • Damage localization,
  • Masonry,
  • Arch,
  • Settlement
    • ...More
    Less

How to Cite

Gupta, H. ., Ghosh, D. ., & Mittal, A. K. . (2022). Monitoring of Settlement in Masonry Arch using FBG Sensors. Journal of Non-Destructive Testing and Evaluation (JNDE), 19(1), 23–30. Retrieved from https://jnde.isnt.in/index.php/JNDE/article/view/26

Copyright (c) 2022 Journal of Non-Destructive Testing and Evaluation (JNDE)

Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Abstract

Almost all engineering disciplines face the problem of damage detection and assessment. Civil structures built in the past have suffered the consequences of extreme loading events, such as earthquakes, wind, impact etc., over long periods, often leaving them disjointed and degraded. Monitoring of these structures is the need of the hour. It has been observed in the past that the many of important infrastructures failed due to lack of maintenance. Repair measures can only be carried out if these structures are monitored and the condition of the structure is assessed properly.
This paper discusses a vital issue of monitoring of structures undergoing settlements. The test has been conducted on a brick masonry semi-circular arch which is subjected to settlement at one of its abutments. The variation of strains is recorded using Fiber Bragg Grating (FBG) optical sensors at three locations on exterior face of the arch. The strain profile obtained exhibits the necessity of SHM in structures since the sensors are able to monitor the variations which are not noticeable and are obligatory to assess the safety of any structure.

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