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Measurement of radar properties of concrete for in situ structural elements

Interpretation of ground penetrating radar (GPR) surveys applied to concrete structures requires a prior knowledge of the dielectric properties of the concrete under investigation. Most GPR systems used for field investigations produce a broadband pulse, incorporating frequencies between 100 MHz to...

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Main Authors: Shaari, A., Millard, S. G., Bungey, J. H.
Format: Article
Language:English
Published: British Institute of Non-Destructive Testing, Northampton 2002
Subjects:
TA Engineering (General). Civil engineering (General)
Online Access:http://eprints.utm.my/id/eprint/6783/1/AmiruddinShaari2002-Measurementofradarpropertiesof.pdf
http://eprints.utm.my/id/eprint/6783/
http://www.bindt.org/Publications/Insight_Journal/Insight_Journal.html
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spelling my.utm.67832010-06-01T15:47:03Z http://eprints.utm.my/id/eprint/6783/ Measurement of radar properties of concrete for in situ structural elements Shaari, A. Millard, S. G. Bungey, J. H. TA Engineering (General). Civil engineering (General) Interpretation of ground penetrating radar (GPR) surveys applied to concrete structures requires a prior knowledge of the dielectric properties of the concrete under investigation. Most GPR systems used for field investigations produce a broadband pulse, incorporating frequencies between 100 MHz to 1 GHz and above. A traditional laboratory method of measuring the dielectric properties of concrete at one particular frequency is to use a transmission line system. Measurements can be repeated over a range of discrete frequencies. However, this technique can only be used on special laboratory conditioned specimens. A novel method discussed in this paper uses a broadband GPR pulse, reflected from two discrete reinforcing bar targets within an in situ concrete slab to produce the dielectric properties of the concrete over the broadband spectrum of the antenna. Results of the two methods are compared and possible implications for field measurements are discussed. British Institute of Non-Destructive Testing, Northampton 2002 Article PeerReviewed application/pdf en http://eprints.utm.my/id/eprint/6783/1/AmiruddinShaari2002-Measurementofradarpropertiesof.pdf Shaari, A. and Millard, S. G. and Bungey, J. H. (2002) Measurement of radar properties of concrete for in situ structural elements. Insight , 44 (12). 756-758 . ISSN 1354-2575 http://www.bindt.org/Publications/Insight_Journal/Insight_Journal.html
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
language English
topic TA Engineering (General). Civil engineering (General)
spellingShingle TA Engineering (General). Civil engineering (General)
Shaari, A.
Millard, S. G.
Bungey, J. H.
Measurement of radar properties of concrete for in situ structural elements
description Interpretation of ground penetrating radar (GPR) surveys applied to concrete structures requires a prior knowledge of the dielectric properties of the concrete under investigation. Most GPR systems used for field investigations produce a broadband pulse, incorporating frequencies between 100 MHz to 1 GHz and above. A traditional laboratory method of measuring the dielectric properties of concrete at one particular frequency is to use a transmission line system. Measurements can be repeated over a range of discrete frequencies. However, this technique can only be used on special laboratory conditioned specimens. A novel method discussed in this paper uses a broadband GPR pulse, reflected from two discrete reinforcing bar targets within an in situ concrete slab to produce the dielectric properties of the concrete over the broadband spectrum of the antenna. Results of the two methods are compared and possible implications for field measurements are discussed.
format Article
author Shaari, A.
Millard, S. G.
Bungey, J. H.
author_facet Shaari, A.
Millard, S. G.
Bungey, J. H.
author_sort Shaari, A.
title Measurement of radar properties of concrete for in situ structural elements
title_short Measurement of radar properties of concrete for in situ structural elements
title_full Measurement of radar properties of concrete for in situ structural elements
title_fullStr Measurement of radar properties of concrete for in situ structural elements
title_full_unstemmed Measurement of radar properties of concrete for in situ structural elements
title_sort measurement of radar properties of concrete for in situ structural elements
publisher British Institute of Non-Destructive Testing, Northampton
publishDate 2002
url http://eprints.utm.my/id/eprint/6783/1/AmiruddinShaari2002-Measurementofradarpropertiesof.pdf
http://eprints.utm.my/id/eprint/6783/
http://www.bindt.org/Publications/Insight_Journal/Insight_Journal.html
_version_ 1643644638633918464
score 13.211869

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