Article
Version 1
Preserved in Portico This version is not peer-reviewed
Accuracy of Eddy-Current and Radar Methods Used to Reinforcement Detection
Version 1
: Received: 31 December 2018 / Approved: 3 January 2019 / Online: 3 January 2019 (12:14:16 CET)
Version 2 : Received: 4 March 2019 / Approved: 5 March 2019 / Online: 5 March 2019 (11:11:44 CET)
Version 2 : Received: 4 March 2019 / Approved: 5 March 2019 / Online: 5 March 2019 (11:11:44 CET)
A peer-reviewed article of this Preprint also exists.
Drobiec, Ł.; Jasiński, R.; Mazur, W. Accuracy of Eddy-Current and Radar Methods Used in Reinforcement Detection. Materials 2019, 12, 1168, doi:10.3390/ma12071168. Drobiec, Ł.; Jasiński, R.; Mazur, W. Accuracy of Eddy-Current and Radar Methods Used in Reinforcement Detection. Materials 2019, 12, 1168, doi:10.3390/ma12071168.
Abstract
Currently, the most often NDT methods used in practice to non-destructive rebar location in structures are: electromagnetic and radar methods. Both methods have some advantages, disadvantages and limitations. In work, an attempt to describe the possibilities of the particular methods with emphasizing their advantages and limitations has been made. The results of the tests conducted on a lintel beam made of AAC reinforced with small diameter rebars and with rebars placed close together have been presented. The reinforcement has been tested with two different electromagnetic scanner and a GPR device. The received results of eddy-current tests have been compared with the results of NDT tests. It has revealed that NDT tests done in this kind of element allow the correct assessment of the concrete cover but can give different results in case of shape and number of rebars.
Keywords
NDT Methods, Rebar location, Eddy-current method, GPR method
Subject
Engineering, Civil Engineering
Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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