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Article: Experimental and numerical studies of external steel plate strengthened reinforced concrete coupling beams

TitleExperimental and numerical studies of external steel plate strengthened reinforced concrete coupling beams
Authors
KeywordsBolt
Coupling beam
Deformation
Ductility
Nonlinear finite element analysis
Steel plate
Strength
Strengthening
Issue Date2005
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/engstruct
Citation
Engineering Structures, 2005, v. 27 n. 10, p. 1537-1550 How to Cite?
AbstractThis paper aims to develop a new method for strengthening reinforced concrete (RC) coupling beams. Experiments were conducted to test three full-scale RC coupling beams, of which two were strengthened by bolted external steel plates on the side faces of the beams and the other one acted as a control specimen without strengthening. The improvements to strength, deformation and energy dissipation of the external plate strengthened RC coupling beams were observed from the experimental results. Nonlinear finite element analysis was carried out to model the strengthened and non-strengthened coupling beams. The material properties used for concrete and reinforcement in the numerical analysis were validated by the laboratory tests. As the experimental study showed that there was a small slip between the bolted connection and the concrete wall pier, a bilinear model was used to simulate the load-slip behaviour of the bolt connections. The model was calibrated by the experimental results from the plate strengthened coupling beams. A numerical parametric study found that the small slip (>3 mm) between the bolt connection and the concrete wall could significantly affect the load-carrying capacity of the bolt connections as well as the structural performance of the strengthened coupling beams. The numerical model developed is very useful for investigating strengthened beams with other configurations and other reinforcement details. © 2005 Elsevier Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/48529
ISSN
2015 Impact Factor: 1.893
2015 SCImago Journal Rankings: 1.813
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorSu, RKLen_HK
dc.contributor.authorZhu, Yen_HK
dc.date.accessioned2008-05-22T04:16:22Z-
dc.date.available2008-05-22T04:16:22Z-
dc.date.issued2005en_HK
dc.identifier.citationEngineering Structures, 2005, v. 27 n. 10, p. 1537-1550en_HK
dc.identifier.issn0141-0296en_HK
dc.identifier.urihttp://hdl.handle.net/10722/48529-
dc.description.abstractThis paper aims to develop a new method for strengthening reinforced concrete (RC) coupling beams. Experiments were conducted to test three full-scale RC coupling beams, of which two were strengthened by bolted external steel plates on the side faces of the beams and the other one acted as a control specimen without strengthening. The improvements to strength, deformation and energy dissipation of the external plate strengthened RC coupling beams were observed from the experimental results. Nonlinear finite element analysis was carried out to model the strengthened and non-strengthened coupling beams. The material properties used for concrete and reinforcement in the numerical analysis were validated by the laboratory tests. As the experimental study showed that there was a small slip between the bolted connection and the concrete wall pier, a bilinear model was used to simulate the load-slip behaviour of the bolt connections. The model was calibrated by the experimental results from the plate strengthened coupling beams. A numerical parametric study found that the small slip (>3 mm) between the bolt connection and the concrete wall could significantly affect the load-carrying capacity of the bolt connections as well as the structural performance of the strengthened coupling beams. The numerical model developed is very useful for investigating strengthened beams with other configurations and other reinforcement details. © 2005 Elsevier Ltd. All rights reserved.en_HK
dc.format.extent672236 bytes-
dc.format.extent40905 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypeapplication/pdf-
dc.languageengen_HK
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/engstructen_HK
dc.relation.ispartofEngineering Structuresen_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectBolten_HK
dc.subjectCoupling beamen_HK
dc.subjectDeformationen_HK
dc.subjectDuctilityen_HK
dc.subjectNonlinear finite element analysisen_HK
dc.subjectSteel plateen_HK
dc.subjectStrengthen_HK
dc.subjectStrengtheningen_HK
dc.titleExperimental and numerical studies of external steel plate strengthened reinforced concrete coupling beamsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0141-0296&volume=27&issue=10&spage=1537&epage=1550&date=2005&atitle=Experimental+and+numerical+studies+of+external+steel+plate+strengthened+reinforced+concrete+coupling+beams+en_HK
dc.identifier.emailSu, RKL:klsu@hkucc.hku.hken_HK
dc.identifier.authoritySu, RKL=rp00072en_HK
dc.description.naturepostprinten_HK
dc.identifier.doi10.1016/j.engstruct.2005.04.012en_HK
dc.identifier.scopuseid_2-s2.0-21044450655en_HK
dc.identifier.hkuros117969-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-21044450655&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume27en_HK
dc.identifier.issue10en_HK
dc.identifier.spage1537en_HK
dc.identifier.epage1550en_HK
dc.identifier.isiWOS:000231277800009-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridSu, RKL=7102627096en_HK
dc.identifier.scopusauthoridZhu, Y=8592050500en_HK
dc.identifier.citeulike10079434-

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