Yin, Xiaokang, Hutchins, David A., Diamond, G. G. and Purnell, Phil (2010) Non-destructive evaluation of concrete using a capacitive imaging technique : preliminary modelling and experiments. Cement and Concrete Research, Vol.40 (No.12). pp. 1734-1743. doi:10.1016/j.cemconres.2010.08.015

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Abstract

This paper describes the application of capacitive imaging to the inspection of concrete. A two-dimensional finite-element method was employed to model the electric field distribution from capacitive imaging probe, and how it interacts with concrete samples. Physical experiments with prototype capacitive imaging probes were also carried out. The proof-of-concept results indicated that the capacitive imaging technique could be used to detect cracks on the surface of concrete samples, as well as sub-surface air voids and steel reinforcement bars.

Item Type:	Journal Article
Subjects:	T Technology > TA Engineering (General). Civil engineering (General)
Divisions:	Faculty of Science > Engineering
Library of Congress Subject Headings (LCSH):	Nondestructive testing, Concrete -- Evaluation -- Mathematical models, Electric fields -- Mathematical models
Journal or Publication Title:	Cement and Concrete Research
Publisher:	Pergamon
ISSN:	0008-8846
Official Date:	December 2010
Dates:	Date Event December 2010 Published
Volume:	Vol.40
Number:	No.12
Number of Pages:	10
Page Range:	pp. 1734-1743
DOI:	10.1016/j.cemconres.2010.08.015
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access
Funder:	UK Research Centre in Nondestructive Evaluation (RCNDE), Engineering and Physical Sciences Research Council (EPSRC)

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