Electrical impedance spectroscopy-based nondestructive testing for imaging defects in concrete structures
Analysis of PDEs
2018-02-22 v1
Abstract
An electrical impedance spectroscopy-based nondestructive testing (NDT) method is proposed to image both cracks and reinforcing bars in concrete structures. The method utilizes the frequency-dependent behavior of thin insulating cracks: low-frequency electrical currents are blocked by insulating cracks, whereas high-frequency currents can pass through the conducting bars without being blocked by thin cracks. Rigorous mathematical analysis relates the geometric structures of the cracks and bars to the frequency-dependent Neumann-to-Dirichlet data. Various numerical simulations support the feasibility of the proposed method.
Keywords
Cite
@article{arxiv.1405.4582,
title = {Electrical impedance spectroscopy-based nondestructive testing for imaging defects in concrete structures},
author = {Habib Ammari and Jin Keun Seo and Tingting Zhang and Liangdong Zhou},
journal= {arXiv preprint arXiv:1405.4582},
year = {2018}
}