Fiber optic smart bearing load structure

Eric Udd; Whitten L. Schulz; John M. Seim; Kelli Corona-Bittick; Jim Dorr; Kerry T. Slattery; Harold Martin Laylor; Galen E. McGill

doi:10.1117/12.339933

1 February 1999 Fiber optic smart bearing load structure

Eric Udd, Whitten L. Schulz, John M. Seim, Kelli Corona-Bittick, Jim Dorr, Kerry T. Slattery, Harold Martin Laylor, Galen E. McGill

Author Affiliations +

Proceedings Volume 3587, Nondestructive Evaluation of Bridges and Highways III; (1999) https://doi.org/10.1117/12.339933
Event: Nondestructive Evaluation Techniques for Aging Infrastructures and Manufacturing, 1999, Newport Beach, CA, United States

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.

Citation Download Citation

Eric Udd, Whitten L. Schulz, John M. Seim, Kelli Corona-Bittick, Jim Dorr, Kerry T. Slattery, Harold Martin Laylor, and Galen E. McGill "Fiber optic smart bearing load structure", Proc. SPIE 3587, Nondestructive Evaluation of Bridges and Highways III, (1 February 1999); https://doi.org/10.1117/12.339933

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