Design and Validation of Embedded Piezoelectric Transducers for Damage Detection Applications in Concrete Structures

Grigoris Karaiskos; Sébastien Flawinne; Jean Yves Sener; Arnaud Deraemaeker

doi:10.4028/www.scientific.net/KEM.569-570.805

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 569-570Design and Validation of Embedded Piezoelectric...

Design and Validation of Embedded Piezoelectric Transducers for Damage Detection Applications in Concrete Structures

Abstract:

Current maintenance of concrete civil infrastructure such as buildings, bridges, dams and highways, is based on scheduled inspection consisting in visual and/or local inspection techniques (i.e. acoustic/ultrasonic methods, radiography, eddy-current methods). A major trend in the field is the development of automated on-line monitoring systems. The current study is focused on the use of ultrasonic wave propagation techniques based on embedded piezoelectric transducers for the on-line monitoring of the damage state in concrete. The technique is based on the use of an ultrasonic emitter-receiver pair and the construction of a damage indicator focused on the early wave arrival. The proposed simple monitoring system is implemented during several pull-out tests on concrete blocks. The results demonstrate the excellent performance of the system which is able to detect the initiation and follow the evolution of the cracking until complete failure.

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Periodical:

Key Engineering Materials (Volumes 569-570)

Pages:

805-811

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.569-570.805

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Cite this paper

Online since:

July 2013

Authors:

Grigoris Karaiskos, Sébastien Flawinne, Jean Yves Sener, Arnaud Deraemaeker

Keywords:

Concrete Cracking, Damage Detection, Embedded PZT Transducers, Pull-Out Test

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