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Article: Strengthening of preloaded RC beams using prestressed carbon textile reinforced mortar plates

TitleStrengthening of preloaded RC beams using prestressed carbon textile reinforced mortar plates
Authors
KeywordsFlexural capacity
Reinforced concrete beam
Carbon textile reinforced mortar
Strengthening
Issue Date2021
PublisherElsevier Ltd. The Journal's web site is located at http://www.journals.elsevier.com/structures
Citation
Structures, 2021, v. 30, p. 735-744 How to Cite?
AbstractCarbon textile reinforced mortar (CTRM) is an advanced composite material that has excellent fire resistance, high strength and ductility, and good energy dissipation ability. Nevertheless, its full potential has not been fully investigated in the literature. In this paper, the flexural behaviour of preloaded reinforced concrete (RC) beams strengthened with a prestressed CTRM plate is explored. RC beams with and without an attached CTRM plate under various preloading conditions are tested. Their load-deflection and load-strain properties, bending capacity, ductility, and crack pattern and width are subsequently examined. The test results show that the prestressed CTRM plates can effectively inhibit the propagation of cracking and significantly increase the cracking and ultimate loads. The findings from this study are useful in advancing the use of CTRM to repair, retrofit and strengthen existing RC structures.
Persistent Identifierhttp://hdl.handle.net/10722/301382
ISSN
2020 Impact Factor: 2.983
2020 SCImago Journal Rankings: 0.834

 

DC FieldValueLanguage
dc.contributor.authorDu, YX-
dc.contributor.authorShao, X-
dc.contributor.authorCHU, SH-
dc.contributor.authorZhou, F-
dc.contributor.authorSu, RKL-
dc.date.accessioned2021-07-27T08:10:13Z-
dc.date.available2021-07-27T08:10:13Z-
dc.date.issued2021-
dc.identifier.citationStructures, 2021, v. 30, p. 735-744-
dc.identifier.issn2352-0124-
dc.identifier.urihttp://hdl.handle.net/10722/301382-
dc.description.abstractCarbon textile reinforced mortar (CTRM) is an advanced composite material that has excellent fire resistance, high strength and ductility, and good energy dissipation ability. Nevertheless, its full potential has not been fully investigated in the literature. In this paper, the flexural behaviour of preloaded reinforced concrete (RC) beams strengthened with a prestressed CTRM plate is explored. RC beams with and without an attached CTRM plate under various preloading conditions are tested. Their load-deflection and load-strain properties, bending capacity, ductility, and crack pattern and width are subsequently examined. The test results show that the prestressed CTRM plates can effectively inhibit the propagation of cracking and significantly increase the cracking and ultimate loads. The findings from this study are useful in advancing the use of CTRM to repair, retrofit and strengthen existing RC structures.-
dc.languageeng-
dc.publisherElsevier Ltd. The Journal's web site is located at http://www.journals.elsevier.com/structures-
dc.relation.ispartofStructures-
dc.subjectFlexural capacity-
dc.subjectReinforced concrete beam-
dc.subjectCarbon textile reinforced mortar-
dc.subjectStrengthening-
dc.titleStrengthening of preloaded RC beams using prestressed carbon textile reinforced mortar plates-
dc.typeArticle-
dc.identifier.emailSu, RKL: klsu@hkucc.hku.hk-
dc.identifier.authoritySu, RKL=rp00072-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.istruc.2021.01.024-
dc.identifier.scopuseid_2-s2.0-85100260820-
dc.identifier.hkuros323661-
dc.identifier.volume30-
dc.identifier.spage735-
dc.identifier.epage744-
dc.publisher.placeUnited Kingdom-

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