Identification of Defective Supports by Visual and Instrument Aids in the Operating Environment of a Railway Power Supply Division

Li, V. N.; Demina, Lyudmila; Vlasenko, S. A.

doi:10.1007/978-3-030-83917-8_41

Cited by 1 publication

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“…VI is a preliminary technique commonly used before other, more accurate NDT methods. VI is limited to evaluating the external conditions of the structure [ 3 , 18 ]. Methods based on infrared radiation frequencies (frequencies of the order of 10 11 Hz to 10 14 Hz).…”

Section: Introductionmentioning

confidence: 99%

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Evaluation of Reinforced Concrete Structures with Magnetic Method and ACO (Amplitude-Correlation-Offset) Decomposition

Frankowski

Chady

2023

Materials

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The magnetic method is one of the very few nondestructive testing (NDT) techniques that provide the possibility to conduct area tests of reinforced concrete (RC) structures in a fast, cheap, and straightforward way. This paper aims to present a new approach to the simultaneous identification of rebars’ diameter, alloy class, and thickness of the concrete cover tested with this method. Since rebars from different manufacturers may have different electromagnetic properties (standardization only for mechanical properties), preparing an effective and universal database is impossible. In this work, ACO decomposition is proposed, a new attributes extraction method designed to identify object parameters, even if it is impossible to collect a suitable training database (by pattern recognition and analysis of the deviation). Conducted tests prove that the ACO method enables accurate reflection of the waveform shape and limitation of attributes number to three or fewer (avoiding the curse of dimensionality). These properties, combined with the ability to analyze spatial components of magnetic induction (which only magnetic sensors provide), make the complex task of identification of three parameters more straightforward and the separation between the results received for different classes larger. This article presents the measurement results and the whole identification process.

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Section: Introductionmentioning

confidence: 99%

“…VI is a preliminary technique commonly used before other, more accurate NDT methods. VI is limited to evaluating the external conditions of the structure [ 3 , 18 ].…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Reinforced Concrete Structures with Magnetic Method and ACO (Amplitude-Correlation-Offset) Decomposition

Frankowski

Chady

2023

Materials

View full text Add to dashboard Cite

show abstract

Identification of Defective Supports by Visual and Instrument Aids in the Operating Environment of a Railway Power Supply Division

Cited by 1 publication

References 15 publications

Evaluation of Reinforced Concrete Structures with Magnetic Method and ACO (Amplitude-Correlation-Offset) Decomposition

Evaluation of Reinforced Concrete Structures with Magnetic Method and ACO (Amplitude-Correlation-Offset) Decomposition

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