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Proceedings Paper

Performance assessment of geotechnical structural elements using distributed fiber optic sensing
Author(s): Christoph Monsberger; Helmut Woschitz; Werner Lienhart; Václav Račanský; Martin Hayden
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Paper Abstract

Geotechnical structural elements are used to underpin heavy structures or to stabilize slopes and embankments. The bearing capacity of these components is usually verified by geotechnical load tests. It is state of the art to measure the resulting deformations with electronic sensors at the surface and therefore, the load distribution along the objects cannot be determined. This paper reports about distributed strain measurements with an optical backscatter reflectometer along geotechnical elements. In addition to the installation of the optical fiber in harsh field conditions, results of investigations of the fiber optic system in the laboratory and the most significant results of the field trials are presented.

Paper Details

Date Published: 12 April 2017
PDF: 12 pages
Proc. SPIE 10168, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2017, 101680Z (12 April 2017); doi: 10.1117/12.2256711
Show Author Affiliations
Christoph Monsberger, Technische Univ. Graz (Austria)
Helmut Woschitz, Technische Univ. Graz (Austria)
Werner Lienhart, Technische Univ. Graz (Austria)
Václav Račanský, Keller Grundbau GmbH (Austria)
Martin Hayden, Keller Grundbau GmbH (Austria)

Published in SPIE Proceedings Vol. 10168:
Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2017
Jerome P. Lynch, Editor(s)

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