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Proceedings Paper

Fiber optic sensor system for bridge monitoring with both static load and dynamic modal sensing capabilities
Author(s): Michael A. Davis; David G. Bellemore; Timothy A. Berkoff; Alan D. Kersey; Martin A. Putnam; Rola L. Idriss; M. Kodinduma
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Paper 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.

Paper Details

Date Published: 13 November 1996
PDF: 14 pages
Proc. SPIE 2946, Nondestructive Evaluation of Bridges and Highways, (13 November 1996); doi: 10.1117/12.259140
Show Author Affiliations
Michael A. Davis, Naval Research Lab. (United States)
David G. Bellemore, SFA Inc. (United States)
Timothy A. Berkoff, SFA Inc. (United States)
Alan D. Kersey, Naval Research Lab. (United States)
Martin A. Putnam, Naval Research Lab. (United States)
Rola L. Idriss, New Mexico State Univ. (United States)
M. Kodinduma, New Mexico State Univ. (United States)

Published in SPIE Proceedings Vol. 2946:
Nondestructive Evaluation of Bridges and Highways
Steven B. Chase, Editor(s)

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