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Proceedings Paper

Strain measurements by fiber Bragg grating sensors for in situ pile loading tests
Author(s): Cornelia Schmidt-Hattenberger; Tilmann Straub; Marcel Naumann; Günter Borm; Robert Lauerer; Christoph Beck; Wolfgang Schwarz
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Paper Abstract

A fiber Bragg grating (FBG) sensor network has been installed into a large diameter concrete pile on a real construction site. The intention was to monitor its deformation behavior during several quasi-static loading cycles. The skin friction between pile and subsoil affecting the ultimate bearing capacity of the pile as well as the settlement behavior of the structure under investigation has been derived from our measurements. A comparison between the results of the fiber Bragg grating sensors and conventional concrete strain gages (CSG) has shown excellent correspondence.

Paper Details

Date Published: 22 July 2003
PDF: 6 pages
Proc. SPIE 5050, Smart Structures and Materials 2003: Smart Sensor Technology and Measurement Systems, (22 July 2003); doi: 10.1117/12.484238
Show Author Affiliations
Cornelia Schmidt-Hattenberger, GeoForschungsZentrum Potsdam (Germany)
Tilmann Straub, Technische Univ. Berlin (Germany)
Marcel Naumann, GeoForschungsZentrum Potsdam (Germany)
Günter Borm, GeoForschungsZentrum Potsdam (Germany)
Robert Lauerer, Spezialtiefbau GmbH (Germany)
Christoph Beck, Spezialtiefbau GmbH (Germany)
Wolfgang Schwarz, Spezialtiefbau GmbH (Germany)

Published in SPIE Proceedings Vol. 5050:
Smart Structures and Materials 2003: Smart Sensor Technology and Measurement Systems
Daniele Inaudi; Eric Udd, Editor(s)

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