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Article: A minimum ductility design method for non-rectangular high-strength concrete beams

TitleA minimum ductility design method for non-rectangular high-strength concrete beams
Authors
KeywordsFlexural ductility
High-strength concrete
Reinforced concrete beams
Issue Date2004
PublisherTechno-Press. The Journal's web site is located at http://technopress.kaist.ac.kr/?journal=cac&subpage=6
Citation
Computers and Concrete, 2004, v. 1 n. 2, p. 115-130 How to Cite?
AbstractThe flexural ductility of solid rectangular reinforced concrete beams has been studied quiternextensively. However, many reinforced concrete beams are neither solid nor rectangular; examples includern T-, -, - and box-shaped beams. There have been few studies on the flexural ductility of nonrectangularrnreinforced concrete beams and as a result little is known about the possible effect of sectionalrnshape on flexural ductility. Herein, the effect of sectional shape on the post-peak flexural behaviour ofrnreinforced normal and high-strength concrete beams has been studied using a newly developed analysisrnmethod that employs the actual stress-strain curves of the constitutive materials and takes into account thernstress-path dependence of the stress-strain curve of the steel reinforcement. It was revealed that thernsectional shape could have significant effect on the flexural ductility of a concrete beam and that thernflexural ductility of a T-, -, - or box-shaped beam is generally lower than that of a solid rectangularrnbeam with the same overall dimensions and the same amount of reinforcement provided. Based on thernnumerical results obtained, a simple method of ensuring the provision of a certain minimum level ofrnflexural ductility to non-rectangular concrete beams has been developed.
Persistent Identifierhttp://hdl.handle.net/10722/71759
ISSN
2015 Impact Factor: 0.849
2015 SCImago Journal Rankings: 0.506

 

DC FieldValueLanguage
dc.contributor.authorAu, FTK-
dc.contributor.authorKwan, AKH-
dc.date.accessioned2010-09-06T06:34:55Z-
dc.date.available2010-09-06T06:34:55Z-
dc.date.issued2004-
dc.identifier.citationComputers and Concrete, 2004, v. 1 n. 2, p. 115-130-
dc.identifier.issn1598-8198-
dc.identifier.urihttp://hdl.handle.net/10722/71759-
dc.description.abstractThe flexural ductility of solid rectangular reinforced concrete beams has been studied quiternextensively. However, many reinforced concrete beams are neither solid nor rectangular; examples includern T-, -, - and box-shaped beams. There have been few studies on the flexural ductility of nonrectangularrnreinforced concrete beams and as a result little is known about the possible effect of sectionalrnshape on flexural ductility. Herein, the effect of sectional shape on the post-peak flexural behaviour ofrnreinforced normal and high-strength concrete beams has been studied using a newly developed analysisrnmethod that employs the actual stress-strain curves of the constitutive materials and takes into account thernstress-path dependence of the stress-strain curve of the steel reinforcement. It was revealed that thernsectional shape could have significant effect on the flexural ductility of a concrete beam and that thernflexural ductility of a T-, -, - or box-shaped beam is generally lower than that of a solid rectangularrnbeam with the same overall dimensions and the same amount of reinforcement provided. Based on thernnumerical results obtained, a simple method of ensuring the provision of a certain minimum level ofrnflexural ductility to non-rectangular concrete beams has been developed.-
dc.languageeng-
dc.publisherTechno-Press. The Journal's web site is located at http://technopress.kaist.ac.kr/?journal=cac&subpage=6-
dc.relation.ispartofComputers and Concrete-
dc.subjectFlexural ductility-
dc.subjectHigh-strength concrete-
dc.subjectReinforced concrete beams-
dc.titleA minimum ductility design method for non-rectangular high-strength concrete beams-
dc.typeArticle-
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1598-8198&volume=1&issue=2&spage=115&epage=130&date=2004&atitle=A+minimum+ductility+design+method+for+non-rectangular+high-strength+concrete+beamsen_HK
dc.identifier.emailAu, FTK: francis.au@hku.hk-
dc.identifier.emailKwan, AKH: khkwan@hkucc.hku.hk-
dc.identifier.authorityAu, FTK=rp00083-
dc.identifier.authorityKwan, AKH=rp00127-
dc.identifier.doi10.12989/cac.2004.1.2.115-
dc.identifier.hkuros94842-
dc.identifier.volume1-
dc.identifier.issue2-
dc.identifier.spage115-
dc.identifier.epage130-
dc.publisher.placeKorea, Republic of-

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