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Proceedings Paper

Numerical analysis of interface debonding detection in bonded repair with Rayleigh waves
Author(s): Ying Xu; BingCheng Li; Miaomiao Lu
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Paper Abstract

This paper studied how to use the variation of the dispersion curves of Rayleigh wave group velocity to detect interfacial debonding damage between FRP plate and steel beam. Since FRP strengthened steel beam is two layers medium, Rayleigh wave velocity dispersion phenomenon will happen. The interface debonding damage of FRP strengthened steel beam have an obvious effect on the Rayleigh wave velocity dispersion curve. The paper first put forward average Euclidean distance and Angle separation degree to describe the relationship between the different dispersion curves. Numerical results indicate that there is a approximate linear mapping relationship between the average Euclidean distance of dispersion curves and the length of interfacial debonding damage.

Paper Details

Date Published: 23 January 2017
PDF: 6 pages
Proc. SPIE 10322, Seventh International Conference on Electronics and Information Engineering, 103220H (23 January 2017); doi: 10.1117/12.2265368
Show Author Affiliations
Ying Xu, Harbin Institute of Technology (China)
BingCheng Li, Harbin Institute of Technology (China)
Miaomiao Lu, Harbin Institute of Technology (China)

Published in SPIE Proceedings Vol. 10322:
Seventh International Conference on Electronics and Information Engineering
Xiyuan Chen, Editor(s)

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