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Proceedings Paper

Fiber optic smart bearing load structure
Author(s): Eric Udd; Whitten L. Schulz; John M. Seim; Kelli Corona-Bittick; Jim Dorr; Kerry T. Slattery; Harold Martin Laylor; Galen E. McGill
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Paper Abstract

As proliferation of structures incorporating composite materials occurs, the benefits of in-situ monitoring of the building materials in order to increase reliability and improve maintainability of the overall structure are being recognized. For example, measurement of shear-strain and load within bridge bearings can be directly related to the health and longevity of the structure. In this paper, the embedding of single and multi-axis optical fiber strain sensors within liquid molded load cells for structures such as bridges is reported. Fabrication and testing processes are presented, as well as test results.

Paper Details

Date Published: 1 February 1999
PDF: 9 pages
Proc. SPIE 3587, Nondestructive Evaluation of Bridges and Highways III, (1 February 1999); doi: 10.1117/12.339933
Show Author Affiliations
Eric Udd, Blue Road Research (United States)
Whitten L. Schulz, Blue Road Research (United States)
John M. Seim, Blue Road Research (United States)
Kelli Corona-Bittick, Production Products (United States)
Jim Dorr, Duke Engineering Group, Inc. (United States)
Kerry T. Slattery, Duke Engineering Group, Inc. (United States)
Harold Martin Laylor, Oregon Dept. of Transportation (United States)
Galen E. McGill, Oregon Dept. of Transportation (United States)


Published in SPIE Proceedings Vol. 3587:
Nondestructive Evaluation of Bridges and Highways III
Steven B. Chase, Editor(s)

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