Fiber optic sensor system for bridge monitoring with both static load and dynamic modal sensing capabilities

Michael A. Davis; David G. Bellemore; Timothy A. Berkoff; Alan D. Kersey; Martin A. Putnam; Rola L. Idriss; M. Kodinduma

doi:10.1117/12.259140

13 November 1996 Fiber optic sensor system for bridge monitoring with both static load and dynamic modal sensing capabilities

Michael A. Davis, David G. Bellemore, Timothy A. Berkoff, Alan D. Kersey, Martin A. Putnam, Rola L. Idriss, M. Kodinduma

Author Affiliations +

Proceedings Volume 2946, Nondestructive Evaluation of Bridges and Highways; (1996) https://doi.org/10.1117/12.259140
Event: Nondestructive Evaluation Techniques for Aging Infrastructure and Manufacturing, 1996, Scottsdale, AZ, United States

Abstract

We describe a fiber optic Bragg grating distributed strain sensor system for large scale structural monitoring applications, such as bridge monitoring. The system is capable of assessing both long term static structural loading changes and dynamic/modal behavior of the structure using two different optical interrogation schemes to address the same sensor array. The system has been used to monitor over 45 sensors attached to or embedded in a single-lane bridge span, for damage assessment.

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Michael A. Davis, David G. Bellemore, Timothy A. Berkoff, Alan D. Kersey, Martin A. Putnam, Rola L. Idriss, and M. Kodinduma "Fiber optic sensor system for bridge monitoring with both static load and dynamic modal sensing capabilities", Proc. SPIE 2946, Nondestructive Evaluation of Bridges and Highways, (13 November 1996); https://doi.org/10.1117/12.259140

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