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Open AccessFeature PaperArticle

Evaluating the Quality of Reinforced Concrete Electric Railway Poles by Thermal Nondestructive Testing

1
School of Nondestructive Testing and Safety, Tomsk Polytechnic University, Lenin Av., 30, 634050 Tomsk, Russia
2
Department of Theoretical and Computational Mechanics, Tomsk State University, Lenin Av., 36, 634050 Tomsk, Russia
*
Author to whom correspondence should be addressed.
Appl. Sci. 2018, 8(2), 222; https://doi.org/10.3390/app8020222
Received: 11 December 2017 / Revised: 17 January 2018 / Accepted: 24 January 2018 / Published: 1 February 2018
Thermal nondestructive testing can be used to inspect reinforced concrete supports that are widely used in various industries. Corrosion damage is a typical defect found in these supports. Corrosion usually starts as a separation between the concrete and the steel rebar. Damage is exacerbated by pressure that is caused by the formation of corrosion products. The most logical method for using IR to detect corrosion or a disbond would be to heat up the rebar by resistive or inductive heating. In both cases, monitoring the dynamic temperature distributions on the pole allows for the evaluation of reinforcement quality. The thermal properties of steel, concrete, air, and corrosion products differ greatly. The magnitude of temperature anomalies and their behavior over time depend on the presence of corrosion products, air gaps, and the quality of contact between rebar and concrete. View Full-Text
Keywords: thermal testing; electric railway pole; inductive heating; numerical modeling thermal testing; electric railway pole; inductive heating; numerical modeling
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Sannikov, D.V.; Kolevatov, A.S.; Vavilov, V.P.; Kuimova, M.V. Evaluating the Quality of Reinforced Concrete Electric Railway Poles by Thermal Nondestructive Testing. Appl. Sci. 2018, 8, 222.

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