A comparison between GPR and ultrasonic techniques for void detection beneath reinforced concrete sections

Research output: Contribution to conference (unpublished)Paperpeer-review

Standard

A comparison between GPR and ultrasonic techniques for void detection beneath reinforced concrete sections. / Cassidy, N. J.; Eddies, R.; Dods, S.

2011. Paper presented at 17th European Meeting of Environmental and Engineering Geophysics, Near Surface 2011, Leicester, United Kingdom.

Research output: Contribution to conference (unpublished)Paperpeer-review

Harvard

Cassidy, NJ, Eddies, R & Dods, S 2011, 'A comparison between GPR and ultrasonic techniques for void detection beneath reinforced concrete sections', Paper presented at 17th European Meeting of Environmental and Engineering Geophysics, Near Surface 2011, Leicester, United Kingdom, 12/09/11 - 14/09/11. https://doi.org/10.3997/2214-4609.20144415

APA

Cassidy, N. J., Eddies, R., & Dods, S. (2011). A comparison between GPR and ultrasonic techniques for void detection beneath reinforced concrete sections. Paper presented at 17th European Meeting of Environmental and Engineering Geophysics, Near Surface 2011, Leicester, United Kingdom. https://doi.org/10.3997/2214-4609.20144415

Vancouver

Cassidy NJ, Eddies R, Dods S. A comparison between GPR and ultrasonic techniques for void detection beneath reinforced concrete sections. 2011. Paper presented at 17th European Meeting of Environmental and Engineering Geophysics, Near Surface 2011, Leicester, United Kingdom. https://doi.org/10.3997/2214-4609.20144415

Author

Cassidy, N. J. ; Eddies, R. ; Dods, S. / A comparison between GPR and ultrasonic techniques for void detection beneath reinforced concrete sections. Paper presented at 17th European Meeting of Environmental and Engineering Geophysics, Near Surface 2011, Leicester, United Kingdom.

Bibtex

@conference{be5f9331a8364eae9b1d9ee7dac200bf,
title = "A comparison between GPR and ultrasonic techniques for void detection beneath reinforced concrete sections",
abstract = "This study provides practical users with a systematic comparative study GPR and Ultrasonics as applied to the detection and location of voids beneath steel-reinforced concrete sections. Complementary surveys were collected across a 0.3m-thick, steel-reinforced concrete test 'slab' that covered a sub-metre scaled target void buried in the underlying clayey soils. To make the study as realistic as possible, and ensure data compatibility, the surveys were collected 'blind' (i.e., without a detailed a priori knowledge of the target depths and/or sub-surface conditions) and across the same survey grid. The 2D and 3D results (sections and time-slices) show that despite the relative popularity of GPR, ultrasonic methods can perform equally well for this type of specific investigation scenario and have shown the potential for overcoming some of the inherent limitations of GPR when faced with dense, complex rebar meshes.",
author = "Cassidy, {N. J.} and R. Eddies and S. Dods",
year = "2011",
doi = "10.3997/2214-4609.20144415",
language = "English",
note = "17th European Meeting of Environmental and Engineering Geophysics, Near Surface 2011 ; Conference date: 12-09-2011 Through 14-09-2011",

}

RIS

TY - CONF

T1 - A comparison between GPR and ultrasonic techniques for void detection beneath reinforced concrete sections

AU - Cassidy, N. J.

AU - Eddies, R.

AU - Dods, S.

PY - 2011

Y1 - 2011

N2 - This study provides practical users with a systematic comparative study GPR and Ultrasonics as applied to the detection and location of voids beneath steel-reinforced concrete sections. Complementary surveys were collected across a 0.3m-thick, steel-reinforced concrete test 'slab' that covered a sub-metre scaled target void buried in the underlying clayey soils. To make the study as realistic as possible, and ensure data compatibility, the surveys were collected 'blind' (i.e., without a detailed a priori knowledge of the target depths and/or sub-surface conditions) and across the same survey grid. The 2D and 3D results (sections and time-slices) show that despite the relative popularity of GPR, ultrasonic methods can perform equally well for this type of specific investigation scenario and have shown the potential for overcoming some of the inherent limitations of GPR when faced with dense, complex rebar meshes.

AB - This study provides practical users with a systematic comparative study GPR and Ultrasonics as applied to the detection and location of voids beneath steel-reinforced concrete sections. Complementary surveys were collected across a 0.3m-thick, steel-reinforced concrete test 'slab' that covered a sub-metre scaled target void buried in the underlying clayey soils. To make the study as realistic as possible, and ensure data compatibility, the surveys were collected 'blind' (i.e., without a detailed a priori knowledge of the target depths and/or sub-surface conditions) and across the same survey grid. The 2D and 3D results (sections and time-slices) show that despite the relative popularity of GPR, ultrasonic methods can perform equally well for this type of specific investigation scenario and have shown the potential for overcoming some of the inherent limitations of GPR when faced with dense, complex rebar meshes.

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U2 - 10.3997/2214-4609.20144415

DO - 10.3997/2214-4609.20144415

M3 - Paper

AN - SCOPUS:85088720573

T2 - 17th European Meeting of Environmental and Engineering Geophysics, Near Surface 2011

Y2 - 12 September 2011 through 14 September 2011

ER -