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Proceedings Paper

Structural health monitoring of reinforced concrete beams by means of embedded fiber Bragg grating sensors
Author(s): R. Montanini; F. De Domenico; F. Freni; N. Maugeri; A. Recupero
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Paper Abstract

This study aims to investigate the mechanical behavior of FRCM composite-strengthened concrete beams using embedded FBG sensors. FBG sensors were installed both on the tensioned surface of the concrete beam and on the PBO mesh woven, that had been applied using cementitious mortar without any epoxy resin. Conventional strain gauges were used to compare results measured from the FBG sensors. Under three-point bending, a marked difference between strains measured in the concrete and those gotten on the reinforcement net was observed. A theoretical model is presented to explain the observed discrepancy.

Paper Details

Date Published: 7 November 2012
PDF: 4 pages
Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 8421AW (7 November 2012); doi: 10.1117/12.970283
Show Author Affiliations
R. Montanini, Univ. degli Studi di Messina (Italy)
F. De Domenico, Univ. degli Studi di Messina (Italy)
F. Freni, Univ. degli Studi di Messina (Italy)
N. Maugeri, Univ. degli Studi di Messina (Italy)
A. Recupero, Univ. degli Studi di Messina (Italy)


Published in SPIE Proceedings Vol. 8421:
OFS2012 22nd International Conference on Optical Fiber Sensors
Yanbiao Liao; Wei Jin; David D. Sampson; Ryozo Yamauchi; Youngjoo Chung; Kentaro Nakamura; Yunjiang Rao, Editor(s)

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