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Title: Diagnostics of Damages in Reinforced Concrete by the Parameters of Electric Response to Mechanical Impact
Authors: Petrov, Maksim Vyacheslavovich
Osipov, Konstantin Yuryevich
Fursa, Tatyana Viktorovna
Dann, Denis Dmitrievich
Keywords: диагностика; повреждения; железобетон; электрический отклик; механическое воздействие
Issue Date: 2019
Publisher: IOP Publishing
Citation: Diagnostics of Damages in Reinforced Concrete by the Parameters of Electric Response to Mechanical Impact / M. V. Petrov [et al.] // IOP Conference Series: Materials Science and Engineering. — Bristol : IOP Publishing, 2019. — Vol. 471 : World Multidisciplinary Civil Engineering, Architecture, Urban Planning Symposium (WMCAUS 2018) : 3rd Symposium, 18-22 June 2018, Prague, Czech Republic : [proceedings]. — [052048, 8 p.].
Abstract: A method for non-destructive testing of reinforced concrete based on thephenomenon of mechano-electric transformations is proposed in this work. The procedure forassessing damage in concrete is based on the measurement of an electric response to a weakelastic impact. It was found that the moments of crack formation and growth during bendingare accompanied by a significant decrease in the correlation coefficient of the electricresponses spectra and by a stepwise change in spectrum shift (at frequency domain) at whichthe maximum correlation coefficient is observed. It was determined that the increase of energyattenuation coefficient of the electric response can serve as a forerunner of a catastrophicdestruction in concrete. The diagnostic criteria proposed in this work can be used formonitoring the damage processes in reinforced concrete under bending conditions.
Appears in Collections:Материалы конференций

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