Diagnostics of Reinforcement Conditions in Concrete Structures by GPR, Impact-Echo Method and Metal Magnetic Memory Method

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dc.contributor.authorPospíšil, Karelcs
dc.contributor.authorManychová, Monikacs
dc.contributor.authorStryk, Josefcs
dc.contributor.authorKořenská, Martacs
dc.contributor.authorMatula, Radekcs
dc.contributor.authorSvoboda, Václavcs
dc.coverage.issue5cs
dc.coverage.volume13cs
dc.date.issued2021-03-03cs
dc.description.abstractIt is important to use adequately reliable non-destructive methods that would be capable of determining the reinforcement conditions in concrete structures. Three different methods: ground penetrating radar, impact-echo method, and metal magnetic memory method were used for testing laboratory-prepared reinforced concrete beams (with a reinforcing bar of the same diameter along its whole length, reinforcing bar locally impaired, and reinforcing bar interrupted). The ground-penetrating radar proved the correlation of signal parameters with the reinforcing bar condition. An impairment/interruption reinforcing bar appeared in the record from measurements in the transversal and longitudinal direction by changes of the observed depth of the reinforcing bar from the concrete surface and direct wave attenuation. The impact-echo method proved that the shifts of the dominant frequencies from the response signal correspond with the impairment/interruption of the reinforcing bar. Results of diagnostics by the metal magnetic memory method were presented by a magnetogram of the magnetic field strength and field gradient on the measured distance. The changes in the magnetic field strength proved different stress concentration zones due to the reinforcing bar condition. The used non-destructive methods showed that they are capable of indicating the different reinforcement conditions in reinforced concrete beams. This paper indicates in which cases and for what reason it is appropriate to use these three methods and in what way they differ from each other.en
dc.formattextcs
dc.format.extent1-15cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationRemote Sensing. 2021, vol. 13, issue 5, p. 1-15.en
dc.identifier.doi10.3390/rs13050952cs
dc.identifier.issn2072-4292cs
dc.identifier.orcid0000-0002-4773-0428cs
dc.identifier.orcid0000-0002-4905-1365cs
dc.identifier.other172938cs
dc.identifier.researcheridC-2785-2008cs
dc.identifier.scopus16317640800cs
dc.identifier.urihttp://hdl.handle.net/11012/202265
dc.language.isoencs
dc.publisherMDPIcs
dc.relation.ispartofRemote Sensingcs
dc.relation.urihttps://doi.org/10.3390/rs13050952cs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/2072-4292/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectreinforced concrete beamen
dc.subjectsteel reinforcing baren
dc.subjectground penetrating radaren
dc.subjectimpact-echo methoden
dc.subjectmetal magnetic memory methoden
dc.titleDiagnostics of Reinforcement Conditions in Concrete Structures by GPR, Impact-Echo Method and Metal Magnetic Memory Methoden
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-172938en
sync.item.dbtypeVAVen
sync.item.insts2025.02.03 15:44:55en
sync.item.modts2025.01.17 15:29:39en
thesis.grantorVysoké učení technické v Brně. Fakulta stavební. Ústav pozemního stavitelstvícs
thesis.grantorVysoké učení technické v Brně. Ústav soudního inženýrství. Ústav soudního inženýrstvícs
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