Continuous acoustic emission monitoring of reinforced concrete under accelerated corrosion

M. Di Benedetti; G. Loreto; A. Nanni; F. Matta; M. A. Gonzalez-Nunez

doi:10.1117/12.880087

Continuous acoustic emission monitoring of reinforced concrete under accelerated corrosion

M. Di Benedetti, G. Loreto, A. Nanni, F. Matta, M. A. Gonzalez-Nunez

Civil, Architectural & Environmental Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

The development of techniques capable of evaluating deterioration of reinforced concrete (RC) structures is instrumental to the advancement of techniques for the structural health monitoring (SHM) and service life estimate for constructed facilities. One of the main causes leading to degradation of RC is the corrosion of the steel reinforcement. This process can be modeled phenomenologically, while laboratory tests aimed at studying durability responses are typically accelerated in order to provide useful results within a realistic period of time. To assess the condition of damage in RC, a number of nondestructive methods have been recently studied. Acoustic emission (AE) is emerging as a nondestructive tool to detect the onset and progression of deterioration mechanisms. In this paper, the development of accelerated corrosion and continuous AE monitoring test set-up for RC specimens are presented. Relevant information are provided with regard to the characteristics of the corrosion circuit, continuous measurement and acquisition of corrosion potential, selection of AE sensors and AE parameter setting. The effectiveness of the setup in detecting and characterizing the initiation and progression of the corrosion phenomenon is discussed on the basis of preliminary results from small-scale, pre-cracked RC specimens, which are representative of areas near the clear cover in typical RC bridge members.

Original language	English (US)
Title of host publication	Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2011
DOIs	https://doi.org/10.1117/12.880087
State	Published - May 24 2011
Event	Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2011 - San Diego, CA, United States Duration: Mar 7 2011 → Mar 10 2011

Publication series

Name	Proceedings of SPIE - The International Society for Optical Engineering
Volume	7983
ISSN (Print)	0277-786X

Other

Other	Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2011
Country	United States
City	San Diego, CA
Period	3/7/11 → 3/10/11

Keywords

accelerated test
corrosion
reinforced concrete
service life
steel reinforcement

ASJC Scopus subject areas

Applied Mathematics
Computer Science Applications
Electrical and Electronic Engineering
Electronic, Optical and Magnetic Materials
Condensed Matter Physics

Access to Document

10.1117/12.880087

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Cite this

Di Benedetti, M., Loreto, G., Nanni, A., Matta, F., & Gonzalez-Nunez, M. A. (2011). Continuous acoustic emission monitoring of reinforced concrete under accelerated corrosion. In Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2011 [798303] (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 7983). https://doi.org/10.1117/12.880087

Continuous acoustic emission monitoring of reinforced concrete under accelerated corrosion. / Di Benedetti, M.; Loreto, G.; Nanni, A.; Matta, F.; Gonzalez-Nunez, M. A.

Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2011. 2011. 798303 (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 7983).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Di Benedetti, M, Loreto, G, Nanni, A, Matta, F & Gonzalez-Nunez, MA 2011, Continuous acoustic emission monitoring of reinforced concrete under accelerated corrosion. in Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2011., 798303, Proceedings of SPIE - The International Society for Optical Engineering, vol. 7983, Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2011, San Diego, CA, United States, 3/7/11. https://doi.org/10.1117/12.880087

Di Benedetti M, Loreto G, Nanni A, Matta F, Gonzalez-Nunez MA. Continuous acoustic emission monitoring of reinforced concrete under accelerated corrosion. In Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2011. 2011. 798303. (Proceedings of SPIE - The International Society for Optical Engineering). https://doi.org/10.1117/12.880087

Di Benedetti, M. ; Loreto, G. ; Nanni, A. ; Matta, F. ; Gonzalez-Nunez, M. A. / Continuous acoustic emission monitoring of reinforced concrete under accelerated corrosion. Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2011. 2011. (Proceedings of SPIE - The International Society for Optical Engineering).

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