Use of FBG sensors for bridge structural monitoring and traffic control

Michele Arturo Caponero; Danilo Colonna; Marco Gruppi; Massimo Pallotta; Robert Salvadori

doi:10.1117/12.566649

9 June 2004 Use of FBG sensors for bridge structural monitoring and traffic control

Michele Arturo Caponero, Danilo Colonna, Marco Gruppi, Massimo Pallotta, Robert Salvadori

Proceedings Volume 5502, Second European Workshop on Optical Fibre Sensors; (2004) https://doi.org/10.1117/12.566649
Event: Second European Workshop on Optical Fibre Sensors, 2004, Santander, Spain

Abstract

This paper describes an application of Fiber Bragg Grating sensors devoted to both health monitoring of road bridge structures and traffic load monitoring. The ultimate aim of the application is the remote continuous monitoring of the structures, with real time acquisition of the dynamic and quasi-static deformations inferred by both the road traffic and the daily and seasonal thermal variations. A Fiber Bragg Grating network composed of 24 sensors has been installed on the bridge on the Po river of the 'A21 Torino Brescia' Italian Highway. The bridge is a concrete structure, and sensors are applied on various rebar components. The sensors were installed directly on the rebars, adopting a special technique specifically developed for permanent concrete embedding. An extensive data acquisition program is in progress with the aim of both health monitoring and in transit lorry weighing. Results are discussed and planned future work is presented.

Citation Download Citation

Michele Arturo Caponero, Danilo Colonna, Marco Gruppi, Massimo Pallotta, and Robert Salvadori "Use of FBG sensors for bridge structural monitoring and traffic control", Proc. SPIE 5502, Second European Workshop on Optical Fibre Sensors, (9 June 2004); https://doi.org/10.1117/12.566649

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