Debond detection in RC structures using piezoelectric materials
Zhu, X. Q., Hao, H., Fan, K. Q., Wang, Y. and Ou, J. P. 2008, Debond detection in RC structures using piezoelectric materials, in ICCRRR 2008: Proceedings of the 2nd International Conference on Concrete Repair, Rehabilitation and Retrofitting, CRC Press, London, England, pp. 673-679.
International Conference on Concrete Repair, Rehabilitation and Retrofitting
Start page
673
End page
679
Total pages
7
Publisher
CRC Press
Place of publication
London, England
Summary
This paper presents a technique to detect the delamination between the steel bars and concrete in the reinforced concrete structures. The piezoelectric components are mounted on reinforcing bars that are embedded in RC structures as sensors and actuators to generate and record the signal, which is sensitive to the delamination between the steel bars and concrete. The experimental study is carried out on a concrete slab with different debonds between the rebars and concrete. The test results show that the delamination between the rebars and concrete can be detected with the embedded piezoelectric sensors and actuators.
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