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Proceedings Paper

Mechanical reliability of optical fibre sensors for tunnel displacement monitoring
Author(s): Stephen N. Kukureka; Pifeng Miao; Nicole Metje; David N. Chapman; Christopher D. F. Rogers; Philip R. Henderson
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Paper Abstract

This work presents a study of the mechanical properties of optical fibre sensors based on fibre Bragg gratings for application in the in situ monitoring of displacements in tunnels. Tests were performed on fibres and gratings in both dry and humid environments. The tests encompassed both dynamic fatigue (constant stress rate) in both two-point bend and in tensile loading and static fatigue (constant stress conditions). The results indicate that the fibres and gratings are expected to have a very long lifetime under the likely mechanical and environmental conditions.

Paper Details

Date Published: 23 May 2005
PDF: 4 pages
Proc. SPIE 5855, 17th International Conference on Optical Fibre Sensors, (23 May 2005); doi: 10.1117/12.623657
Show Author Affiliations
Stephen N. Kukureka, Univ. of Birmingham (United Kingdom)
Pifeng Miao, Univ. of Birmingham (United Kingdom)
Nicole Metje, Univ. of Birmingham (United Kingdom)
David N. Chapman, Univ. of Birmingham (United Kingdom)
Christopher D. F. Rogers, Univ. of Birmingham (United Kingdom)
Philip R. Henderson, Smart Fibres Ltd. (United Kingdom)


Published in SPIE Proceedings Vol. 5855:
17th International Conference on Optical Fibre Sensors
Marc Voet; Reinhardt Willsch; Wolfgang Ecke; Julian Jones; Brian Culshaw, Editor(s)

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