Hauptseite > Publikationsdatenbank > Chlorides and Moisture Assessment in Concrete by GPR Full-Waveform Inversion > print

001     17298
005     20200705144213.0
024 7 _ |2 DOI
|a 10.3997/1873-0604.2010064
024 7 _ |2 WOS
|a WOS:000300855400005
024 7 _ |a altmetric:21806785
|2 altmetric
037 _ _ |a PreJuSER-17298
041 _ _ |a eng
082 _ _ |a 550
084 _ _ |2 WoS
|a Geochemistry & Geophysics
100 1 _ |a Kalogeopoulos, A.
|b 0
|0 P:(DE-HGF)0
245 _ _ |a Chlorides and Moisture Assessment in Concrete by GPR Full-Waveform Inversion
260 _ _ |a Houten
|b EAGE
|c 2011
300 _ _ |a 277 - 285
336 7 _ |a Journal Article
|0 PUB:(DE-HGF)16
|2 PUB:(DE-HGF)
336 7 _ |a Output Types/Journal article
|2 DataCite
336 7 _ |a Journal Article
|0 0
|2 EndNote
336 7 _ |a ARTICLE
|2 BibTeX
336 7 _ |a JOURNAL_ARTICLE
|2 ORCID
336 7 _ |a article
|2 DRIVER
440 _ 0 |a Near Surface Geophysics
|x 1569-4445
|0 15822
|y 3
|v 9
500 _ _ |3 POF3_Assignment on 2016-02-29
500 _ _ |a Record converted from VDB: 12.11.2012
520 _ _ |a Corrosion of rebar within reinforced concrete is a major problem for countries where salt is applied to roads for de-icing. Concrete structures are periodically inspected in order to monitor possible damage caused by chloride-induced corrosion of the reinforcement. However, the available drilling and visual inspections do not supply sufficient spatial information or can only be assessed in advanced stages of corrosion, respectively. Consequently, the condition of bridge decks can only be assessed with low certainty. Therefore, a spatially continuous and non-destructive method detecting chloride in concrete structures is desirable. This paper describes a novel method to estimate material properties using the full-waveform inversion of bistatic off-ground ground penetrating radar data. In this way, all information present in the ground-penetrating radar (GPR) traces is used, which enables the estimation of quantitative electromagnetic properties. A critical step for full-waveform inversion is a proper characterization of our horn antenna GPR system by estimating the phase centre and the effective wavelet using measurements over a stainless steel plate. The inversion of GPR data measured over nine concrete specimens having different moisture and chloride contents returned a relative dielectric permittivity and a conductivity that included a frequency-dependent component. As expected, the inversion results for almost all specimens showed for increasing chloride and humidity content specimens increasing conductivity and permittivity values, respectively. In contrast to traditional ray-based techniques we were able to distinguish between moisture and chloride effects and to obtain quantitative values for the permittivity and conductivity. For increasing chloride content increasing frequency-dependent conductivity values were obtained.
536 _ _ |a Terrestrische Umwelt
|c P24
|2 G:(DE-HGF)
|0 G:(DE-Juel1)FUEK407
|x 0
588 _ _ |a Dataset connected to Web of Science
650 _ 7 |a J
|2 WoSType
700 1 _ |a van der Kruk, J.
|b 1
|u FZJ
|0 P:(DE-Juel1)129561
700 1 _ |a Hugenschmidt, H.
|b 2
|0 P:(DE-HGF)0
700 1 _ |a Merz, K.
|b 3
|0 P:(DE-HGF)0
773 _ _ |a 10.3997/1873-0604.2010064
|g p. 277 - 285
|p 277 - 285
|q 277 - 285
|0 PERI:(DE-600)2247665-9
|t Near surface geophysics
|y 2011
|x 1569-4445
856 7 _ |u http://dx.doi.org/10.3997/1873-0604.2010064
909 C O |o oai:juser.fz-juelich.de:17298
|p VDB
|p VDB:Earth_Environment
913 1 _ |k P24
|v Terrestrische Umwelt
|l Terrestrische Umwelt
|b Erde und Umwelt
|0 G:(DE-Juel1)FUEK407
|x 0
913 2 _ |a DE-HGF
|b Marine, Küsten- und Polare Systeme
|l Terrestrische Umwelt
|1 G:(DE-HGF)POF3-250
|0 G:(DE-HGF)POF3-259H
|2 G:(DE-HGF)POF3-200
|v Addenda
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914 1 _ |y 2011
915 _ _ |0 StatID:(DE-HGF)0010
|a JCR/ISI refereed
920 1 _ |k IBG-3
|l Agrosphäre
|g IBG
|0 I:(DE-Juel1)IBG-3-20101118
|x 0
970 _ _ |a VDB:(DE-Juel1)131750
980 _ _ |a VDB
980 _ _ |a ConvertedRecord
980 _ _ |a journal
980 _ _ |a I:(DE-Juel1)IBG-3-20101118
980 _ _ |a UNRESTRICTED

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