Fiber optic sensors for evaluation and monitoring of civil structures

Dryver R. Huston; Peter L. Fuhr; Eric Udd; Daniele Inaudi

doi:10.1117/12.372945

9 December 1999 Fiber optic sensors for evaluation and monitoring of civil structures

Dryver R. Huston, Peter L. Fuhr, Eric Udd, Daniele Inaudi

Proceedings Volume 3860, Fiber Optic Sensor Technology and Applications; (1999) https://doi.org/10.1117/12.372945
Event: Photonics East '99, 1999, Boston, MA, United States

Abstract

This paper gives an overview of the primary issues of structural health and evaluation monitoring for civil structures, such as bridges, dams, buildings and roadways, and role that fiber optic sensors play in the monitoring efforts. Some of the quantities that need to be measured are displacement, velocity, acceleration, jerk, force, stress, strain, temperature, fracture, moisture, fatigue, and chemical state, i.e. corrosion. Fiber optic sensors have the capability to measure most, if not all, of these quantities. Fiber optic sensors exploit a variety of physical principles through which physical quantities are measured. The particular types of fiber sensors that will be discussed in this paper are: intensity-based, modal domain interferometric, Bragg grating, white light interferometric, and Brillouin backscatter. The operating principles and application results from field and laboratory studies are presented.

Citation Download Citation

Dryver R. Huston, Peter L. Fuhr, Eric Udd, and Daniele Inaudi "Fiber optic sensors for evaluation and monitoring of civil structures", Proc. SPIE 3860, Fiber Optic Sensor Technology and Applications, (9 December 1999); https://doi.org/10.1117/12.372945

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