Corrosion detection and evolution monitoring in reinforced concrete structures by the use of fiber Bragg grating sensor

S. Ali-Alvarez; P. Ferdinand; S. Magne; R. P. Nogueira

doi:10.1117/12.2015145

19 April 2013 Corrosion detection and evolution monitoring in reinforced concrete structures by the use of fiber Bragg grating sensor

S. Ali-Alvarez, P. Ferdinand, S. Magne, R. P. Nogueira

Author Affiliations +

Proceedings Volume 8692, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2013; 86924U (2013) https://doi.org/10.1117/12.2015145
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2013, San Diego, California, United States

Abstract

Corrosion of reinforced bar (rebar) in concrete structures represents a major issue in civil engineering works, being its detection and evolution a challenge for the applied research. In this work, we present a new methodology to corrosion detection in reinforced concrete structures, by combining Fiber Bragg Grating (FBG) sensors with the electrochemical and physical properties of rebar in a simplified assembly. Tests in electrolytic solutions and concrete were performed for pitting and general corrosion. The proposed Structural Health Monitoring (SHM) methodology constitutes a direct corrosion measurement potentially useful to implement or improve Condition-Based Maintenance (CBM) program for civil engineering concrete structures.

Citation Download Citation

S. Ali-Alvarez, P. Ferdinand, S. Magne, and R. P. Nogueira "Corrosion detection and evolution monitoring in reinforced concrete structures by the use of fiber Bragg grating sensor", Proc. SPIE 8692, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2013, 86924U (19 April 2013); https://doi.org/10.1117/12.2015145

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