Strain measurements by fiber Bragg grating sensors for in situ pile loading tests

Cornelia Schmidt-Hattenberger; Tilmann Straub; Marcel Naumann; Günter Borm; Robert Lauerer; Christoph Beck; Wolfgang Schwarz

doi:10.1117/12.484238

22 July 2003 Strain measurements by fiber Bragg grating sensors for in situ pile loading tests

Cornelia Schmidt-Hattenberger, Tilmann Straub, Marcel Naumann, Günter Borm, Robert Lauerer, Christoph Beck, Wolfgang Schwarz

Author Affiliations +

Proceedings Volume 5050, Smart Structures and Materials 2003: Smart Sensor Technology and Measurement Systems; (2003) https://doi.org/10.1117/12.484238
Event: Smart Structures and Materials, 2003, San Diego, California, United States

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.

Citation Download Citation

Cornelia Schmidt-Hattenberger, Tilmann Straub, Marcel Naumann, Günter Borm, Robert Lauerer, Christoph Beck, and Wolfgang Schwarz "Strain measurements by fiber Bragg grating sensors for in situ pile loading tests", Proc. SPIE 5050, Smart Structures and Materials 2003: Smart Sensor Technology and Measurement Systems, (22 July 2003); https://doi.org/10.1117/12.484238

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