Detection of crack in cement-based specimens using microwave imaging with the 3-axis scanning system

Sergey Kharkovsky; Paritosh Giri

doi:10.1109/I2MTC.2016.7520425

Detection of crack in cement-based specimens using microwave imaging with the 3-axis scanning system

Sergey Kharkovsky, Paritosh Giri

Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding contribution › peer-review

3 Citations (Scopus)

Abstract

Cracks often provide an early indication of damage in a structure and must be detected at an early stage. Detecting cracks in complex concrete structures is a challenging task. It is desired that plain as well as non-plain concrete surfaces with complex profiles can be interrogated and cracks on these surfaces as well as hidden under the dielectric coating can be detected. A 3-axis scanning mechanism which is able to perform profile contour-tracing during testing of specimens with complex surface profile is applied along with microwave instrumentation for detecting cracks using microwave images. Microwave instrumentation includes a performance network analyzer and an X-band open-ended waveguide antenna which is adjusted for parallel and perpendicular polarization with respect to the cracks. It is shown that the system is able to provide the detection and evaluation of the surface cracks in non-tilted as well as tilted cement-based specimens at preferred perpendicular polarization. It is also demonstrated that the surface crack can be detected when it is hidden under dielectric coating such as a plasterboard sheet.

Original language	English
Title of host publication	I2MTC 2016
Subtitle of host publication	IEEE International Instrumentation and Measurement Technology Conference Proceedings
Place of Publication	Piscataway, NJ
Publisher	Institute of Electrical and Electronics Engineers (IEEE)
Number of pages	5
ISBN (Electronic)	9781467392204
ISBN (Print)	9781467392211
DOIs	https://doi.org/10.1109/I2MTC.2016.7520425
Publication status	Published - 22 Jul 2016
Externally published	Yes
Event	2016 IEEE International Instrumentation and Measurement Technology Conference, I2MTC 2016 - Taipei, Taiwan, Province of China Duration: 23 May 2016 → 26 May 2016

Conference

Conference	2016 IEEE International Instrumentation and Measurement Technology Conference, I2MTC 2016
Country	Taiwan, Province of China
City	Taipei
Period	23/05/16 → 26/05/16

Keywords

concrete
crack
dielectric coating
imaging system
microwave instrumentation
non-destructive testing
polarization
remote sensing
tilted specimens

Access to Document

10.1109/I2MTC.2016.7520425

Link to publication in Scopus

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Cite this

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title = "Detection of crack in cement-based specimens using microwave imaging with the 3-axis scanning system",

abstract = "Cracks often provide an early indication of damage in a structure and must be detected at an early stage. Detecting cracks in complex concrete structures is a challenging task. It is desired that plain as well as non-plain concrete surfaces with complex profiles can be interrogated and cracks on these surfaces as well as hidden under the dielectric coating can be detected. A 3-axis scanning mechanism which is able to perform profile contour-tracing during testing of specimens with complex surface profile is applied along with microwave instrumentation for detecting cracks using microwave images. Microwave instrumentation includes a performance network analyzer and an X-band open-ended waveguide antenna which is adjusted for parallel and perpendicular polarization with respect to the cracks. It is shown that the system is able to provide the detection and evaluation of the surface cracks in non-tilted as well as tilted cement-based specimens at preferred perpendicular polarization. It is also demonstrated that the surface crack can be detected when it is hidden under dielectric coating such as a plasterboard sheet.",

keywords = "concrete, crack, dielectric coating, imaging system, microwave instrumentation, non-destructive testing, polarization, remote sensing, tilted specimens",

author = "Sergey Kharkovsky and Paritosh Giri",

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Kharkovsky, S & Giri, P 2016, Detection of crack in cement-based specimens using microwave imaging with the 3-axis scanning system. in I2MTC 2016: IEEE International Instrumentation and Measurement Technology Conference Proceedings. Institute of Electrical and Electronics Engineers (IEEE), Piscataway, NJ, 2016 IEEE International Instrumentation and Measurement Technology Conference, I2MTC 2016, Taipei, Taiwan, Province of China, 23/05/16. https://doi.org/10.1109/I2MTC.2016.7520425

Detection of crack in cement-based specimens using microwave imaging with the 3-axis scanning system. / Kharkovsky, Sergey; Giri, Paritosh.

I2MTC 2016: IEEE International Instrumentation and Measurement Technology Conference Proceedings. Piscataway, NJ : Institute of Electrical and Electronics Engineers (IEEE), 2016.

Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding contribution › peer-review

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N2 - Cracks often provide an early indication of damage in a structure and must be detected at an early stage. Detecting cracks in complex concrete structures is a challenging task. It is desired that plain as well as non-plain concrete surfaces with complex profiles can be interrogated and cracks on these surfaces as well as hidden under the dielectric coating can be detected. A 3-axis scanning mechanism which is able to perform profile contour-tracing during testing of specimens with complex surface profile is applied along with microwave instrumentation for detecting cracks using microwave images. Microwave instrumentation includes a performance network analyzer and an X-band open-ended waveguide antenna which is adjusted for parallel and perpendicular polarization with respect to the cracks. It is shown that the system is able to provide the detection and evaluation of the surface cracks in non-tilted as well as tilted cement-based specimens at preferred perpendicular polarization. It is also demonstrated that the surface crack can be detected when it is hidden under dielectric coating such as a plasterboard sheet.

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KW - crack

KW - dielectric coating

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KW - non-destructive testing

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KW - remote sensing

KW - tilted specimens

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