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Conference Paper: Experimental study on the rust expansion induced cover crack in reinforced concrete

TitleExperimental study on the rust expansion induced cover crack in reinforced concrete
Other TitlesExperimental study on the corrosion product expansion induced cover cracking in reinforced concrete
Authors
Liu, QSu, KL
Issue Date2017
PublisherRILEM/COST.
Citation
Proceedings of the 2nd International RILEM/COST Conference on Early Age Cracking and Serviceability in Cement-based Materials and Structures (EAC2), ULB-VUB, Brussels, Belgium, 12-14 September 2017, p. 323-328 How to Cite?
AbstractPredicting the time to corrosion induced crack of surface cover is important for assessing the service life of reinforced concrete (RC) structures. However, existing analytical models cannot accurately predict it as the deformation of rust is significantly underestimated. This study aims to investigate the expansive behavior of rust produced in RC structures by an accelerated corrosion test. The expansion displacement of rust is captured by digital image correlation. By using the displacement compatibility condition on the concrete/steel interface, the deformation of rust is determined. And eventually, the Young’s modulus of rust is back calculated.
DescriptionSession: 12M2-Experimental techniques
Persistent Identifierhttp://hdl.handle.net/10722/255088

 

DC FieldValueLanguage
dc.contributor.authorLiu, Q-
dc.contributor.authorSu, KL-
dc.date.accessioned2018-06-21T03:55:02Z-
dc.date.available2018-06-21T03:55:02Z-
dc.date.issued2017-
dc.identifier.citationProceedings of the 2nd International RILEM/COST Conference on Early Age Cracking and Serviceability in Cement-based Materials and Structures (EAC2), ULB-VUB, Brussels, Belgium, 12-14 September 2017, p. 323-328-
dc.identifier.urihttp://hdl.handle.net/10722/255088-
dc.descriptionSession: 12M2-Experimental techniques-
dc.description.abstractPredicting the time to corrosion induced crack of surface cover is important for assessing the service life of reinforced concrete (RC) structures. However, existing analytical models cannot accurately predict it as the deformation of rust is significantly underestimated. This study aims to investigate the expansive behavior of rust produced in RC structures by an accelerated corrosion test. The expansion displacement of rust is captured by digital image correlation. By using the displacement compatibility condition on the concrete/steel interface, the deformation of rust is determined. And eventually, the Young’s modulus of rust is back calculated.-
dc.languageeng-
dc.publisherRILEM/COST.-
dc.relation.ispartof2nd International RILEM/COST Conference on Early Age Cracking and Serviceability in Cement-based Materials and Structures (EAC2)-
dc.titleExperimental study on the rust expansion induced cover crack in reinforced concrete-
dc.title.alternativeExperimental study on the corrosion product expansion induced cover cracking in reinforced concrete-
dc.typeConference_Paper-
dc.identifier.emailSu, KL: klsu@hkucc.hku.hk-
dc.identifier.authoritySu, KL=rp00072-
dc.identifier.hkuros285576-
dc.identifier.spage323-
dc.identifier.epage328-
dc.publisher.placeBelgium-

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