Extracting Non-propagating Oscillatory Fields in Concrete to Detect Distributed Cracking

Song, Homin; Popovics, John S.

doi:10.1121/1.5130568

Title: Extracting Non-propagating Oscillatory Fields in Concrete to Detect Distributed Cracking

Abstract

We introduce work to find and locate distributed subsurface cracks in concrete by extracting non-propagating oscillatory fields. The medium of interest is concrete, but the approach also applies to other types of inhomogeneous media. The theoretical basis of the work is first presented through a one-dimensional point-scatterer model that considers the wavefield set up by multiple distinct scatterers. More complex scattering scenarios are then investigated using numerical simulation. The numerical models consider two types of scatterers: elliptic large-scale particles distributed throughout a medium and small-sized cracks localized within a damage zone. The theoretical and numerical analyses show that forward propagating waves undergo distinct scattering behavior within the crack damaged zone: non-propagating resonance-like oscillatory fields are set up within the cracked zone that are distinct from the scatter caused by the large-scale particles. We employ frequency-wavenumber (f-k) domain analysis to extract the energy of non-propagating oscillatory fields and thus to detect and locate zones of distributed cracking. The proposed approach is evaluated using numerical simulation and experimental data collected from concrete specimens that contain simulated distributed cracks. The results reflect the location of distributed crack zones in discrete random media such as concrete can be successfully detected.

Authors:

Song, Homin ^[1]; Popovics, John S. ^[2]

Argonne National Lab. (ANL), Lemont, IL (United States)
Univ. of Illinois, Urbana-Champaign, IL (United States)

Publication Date:: 2019-10-16

Research Org.:: Univ. of Illinois at Urbana-Champaign, IL (United States); Pennsylvania State Univ., University Park, PA (United States)

Sponsoring Org.:: USDOE Office of Nuclear Energy (NE)

OSTI Identifier:: 1570391

Alternate Identifier(s):: OSTI ID: 1571690

Grant/Contract Number:: NE0008266

Resource Type:: Accepted Manuscript

Journal Name:: Journal of the Acoustical Society of America

Additional Journal Information:: Journal Volume: 146; Journal Issue: 4; Journal ID: ISSN 0001-4966

Publisher:: Acoustical Society of America

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE

Citation Formats


                    Song, Homin, and Popovics, John S. Extracting Non-propagating Oscillatory Fields in Concrete to Detect Distributed Cracking.  United States: N. p., 2019. 
Web.  doi:10.1121/1.5130568.

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                    Song, Homin, & Popovics, John S. Extracting Non-propagating Oscillatory Fields in Concrete to Detect Distributed Cracking.  United States.  https://doi.org/10.1121/1.5130568

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                    Song, Homin, and Popovics, John S. Wed .  
"Extracting Non-propagating Oscillatory Fields in Concrete to Detect Distributed Cracking".  United States.  https://doi.org/10.1121/1.5130568.  https://www.osti.gov/servlets/purl/1570391.

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@article{osti_1570391,

  title        = {Extracting Non-propagating Oscillatory Fields in Concrete to Detect Distributed Cracking},

  author       = {Song, Homin and Popovics, John S.},

  abstractNote = {We introduce work to find and locate distributed subsurface cracks in concrete by extracting non-propagating oscillatory fields. The medium of interest is concrete, but the approach also applies to other types of inhomogeneous media. The theoretical basis of the work is first presented through a one-dimensional point-scatterer model that considers the wavefield set up by multiple distinct scatterers. More complex scattering scenarios are then investigated using numerical simulation. The numerical models consider two types of scatterers: elliptic large-scale particles distributed throughout a medium and small-sized cracks localized within a damage zone. The theoretical and numerical analyses show that forward propagating waves undergo distinct scattering behavior within the crack damaged zone: non-propagating resonance-like oscillatory fields are set up within the cracked zone that are distinct from the scatter caused by the large-scale particles. We employ frequency-wavenumber (f-k) domain analysis to extract the energy of non-propagating oscillatory fields and thus to detect and locate zones of distributed cracking. The proposed approach is evaluated using numerical simulation and experimental data collected from concrete specimens that contain simulated distributed cracks. The results reflect the location of distributed crack zones in discrete random media such as concrete can be successfully detected.},

  doi          = {10.1121/1.5130568},

  journal      = {Journal of the Acoustical Society of America},

  number       = 4,

  volume       = 146,

  place        = {United States},

  year         = {2019},

  month        = {10}

}

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Cited by: 7 works

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FIG. 1: Illustration of the 1-D multiple point-scatterer model showing N point scatterers in the direction of wave propagation.

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Works referencing / citing this record:

Contactless Ultrasonic Wavefield Imaging to Visualize Near-Surface Damage in Concrete Elements
journal, July 2019

Song, Homin; Popovics, John S.
Applied Sciences, Vol. 9, Issue 15
DOI: 10.3390/app9153005

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Contactless Ultrasonic Wavefield Imaging to Visualize Near-Surface Damage in Concrete Elements

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Title: Extracting Non-propagating Oscillatory Fields in Concrete to Detect Distributed Cracking

Abstract

Citation Formats

Figures / Tables:

Contactless Ultrasonic Wavefield Imaging to Visualize Near-Surface Damage in Concrete Elements journal, July 2019

Contactless Ultrasonic Wavefield Imaging to Visualize Near-Surface Damage in Concrete Elements
journal, July 2019