Performance assessment of geotechnical structural elements using distributed fiber optic sensing

Christoph Monsberger; Helmut Woschitz; Werner Lienhart; Vaclav Racansky; Martin Hayden

doi:10.1117/12.2256711

Performance assessment of geotechnical structural elements using distributed fiber optic sensing

Christoph Monsberger, Helmut Woschitz, Werner Lienhart, Vaclav Racansky, Martin Hayden

Institute of Engineering Geodesy and Measurement Systems (5200)

Research output: Chapter in Book/Report/Conference proceeding › Conference paper › peer-review

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.

Original language	English
Title of host publication	Proceedings of SPIE - The International Society for Optical Engineering
Subtitle of host publication	Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2017
Publisher	SPIE
Number of pages	12
Volume	10168
ISBN (Electronic)	9781510608221
ISBN (Print)	9781510608214
DOIs	https://doi.org/10.1117/12.2256711
Publication status	Published - 2017
Event	Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2017 - Portland, United States Duration: 26 Mar 2017 → 29 Mar 2017

Conference

Conference	Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2017
Country/Territory	United States
City	Portland
Period	26/03/17 → 29/03/17

Fields of Expertise

Sustainable Systems

Treatment code (Nähere Zuordnung)

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10.1117/12.2256711

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Monsberger, C., Woschitz, H., Lienhart, W., Racansky, V., & Hayden, M. (2017). Performance assessment of geotechnical structural elements using distributed fiber optic sensing. In Proceedings of SPIE - The International Society for Optical Engineering: Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2017 (Vol. 10168). [101680Z] SPIE. https://doi.org/10.1117/12.2256711

Performance assessment of geotechnical structural elements using distributed fiber optic sensing. / Monsberger, Christoph ; Woschitz, Helmut ; Lienhart, Werner et al.

Proceedings of SPIE - The International Society for Optical Engineering: Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2017. Vol. 10168 SPIE, 2017. 101680Z.

Research output: Chapter in Book/Report/Conference proceeding › Conference paper › peer-review

Monsberger, C , Woschitz, H , Lienhart, W, Racansky, V & Hayden, M 2017, Performance assessment of geotechnical structural elements using distributed fiber optic sensing. in Proceedings of SPIE - The International Society for Optical Engineering: Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2017. vol. 10168, 101680Z, SPIE, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2017, Portland, Oregon, United States, 26/03/17. https://doi.org/10.1117/12.2256711

Monsberger C , Woschitz H , Lienhart W, Racansky V, Hayden M. Performance assessment of geotechnical structural elements using distributed fiber optic sensing. In Proceedings of SPIE - The International Society for Optical Engineering: Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2017. Vol. 10168. SPIE. 2017. 101680Z https://doi.org/10.1117/12.2256711

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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.",

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AB - 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.

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DO - 10.1117/12.2256711

M3 - Conference paper

SN - 9781510608214

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BT - Proceedings of SPIE - The International Society for Optical Engineering

PB - SPIE

T2 - Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2017

Y2 - 26 March 2017 through 29 March 2017

ER -

Performance assessment of geotechnical structural elements using distributed fiber optic sensing

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