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Article: Post-peak behavior and flexural ductility of doubly reinforced normal- and high-strength concrete beams

TitlePost-peak behavior and flexural ductility of doubly reinforced normal- and high-strength concrete beams
Authors
KeywordsFlexural ductility
High-strength concrete
Moment-curvature behavior
Reinforced concrete beams
Issue Date2001
PublisherTechno-Press. The Journal's web site is located at http://technopress.kaist.ac.kr/?journal=sem&subpage=5
Citation
Structural Engineering And Mechanics, 2001, v. 12 n. 5, p. 459-474 How to Cite?
AbstractThe complete moment-curvature curves of doubly reinforced concrete beams made of normal- or high-strength concrete have been evaluated using a newly developed analytical method that takes into account the stress-path dependence of the constitutive properties of the materials. From the moment-curvature curves and the strain distribution results obtained, the post-peak behavior and flexural ductility of doubly reinforced normal- and high-strength concrete beam sections are studied. It is found that the major factors affecting the flexural ductility of reinforced concrete beam sections are the tension steel ratio, compression steel ratio and concrete grade. Generally, the flexural ductility decreases as the amount of tension reinforcement increases, but increases as the amount of compression reinforcement increases. However, the effect of the concrete grade on flexural ductility is fairly complicated, as will be explained in the paper. Quantitative analysis of such effects has been carded out and a formula for direct evaluation of the flexural ductility of doubly reinforced concrete sections developed. The formula should be useful for the ductility design of doubly reinforced normal- and high-strength concrete beams.
Persistent Identifierhttp://hdl.handle.net/10722/71322
ISSN
2015 Impact Factor: 1.021
2015 SCImago Journal Rankings: 0.450
References

 

DC FieldValueLanguage
dc.contributor.authorPam, HJen_HK
dc.contributor.authorKwan, AKHen_HK
dc.contributor.authorHo, JCMen_HK
dc.date.accessioned2010-09-06T06:30:57Z-
dc.date.available2010-09-06T06:30:57Z-
dc.date.issued2001en_HK
dc.identifier.citationStructural Engineering And Mechanics, 2001, v. 12 n. 5, p. 459-474en_HK
dc.identifier.issn1225-4568en_HK
dc.identifier.urihttp://hdl.handle.net/10722/71322-
dc.description.abstractThe complete moment-curvature curves of doubly reinforced concrete beams made of normal- or high-strength concrete have been evaluated using a newly developed analytical method that takes into account the stress-path dependence of the constitutive properties of the materials. From the moment-curvature curves and the strain distribution results obtained, the post-peak behavior and flexural ductility of doubly reinforced normal- and high-strength concrete beam sections are studied. It is found that the major factors affecting the flexural ductility of reinforced concrete beam sections are the tension steel ratio, compression steel ratio and concrete grade. Generally, the flexural ductility decreases as the amount of tension reinforcement increases, but increases as the amount of compression reinforcement increases. However, the effect of the concrete grade on flexural ductility is fairly complicated, as will be explained in the paper. Quantitative analysis of such effects has been carded out and a formula for direct evaluation of the flexural ductility of doubly reinforced concrete sections developed. The formula should be useful for the ductility design of doubly reinforced normal- and high-strength concrete beams.en_HK
dc.languageengen_HK
dc.publisherTechno-Press. The Journal's web site is located at http://technopress.kaist.ac.kr/?journal=sem&subpage=5en_HK
dc.relation.ispartofStructural Engineering and Mechanicsen_HK
dc.subjectFlexural ductilityen_HK
dc.subjectHigh-strength concreteen_HK
dc.subjectMoment-curvature behavioren_HK
dc.subjectReinforced concrete beamsen_HK
dc.titlePost-peak behavior and flexural ductility of doubly reinforced normal- and high-strength concrete beamsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1225-4568&volume=12&issue=5&spage=459&epage=474&date=2001&atitle=Post-peak+behavior+and+flexural+ductility+of+doubly+reinforced+normal-+and+high-strength+concrete+beamsen_HK
dc.identifier.emailPam, HJ:pamhoatjoen@hku.hken_HK
dc.identifier.emailKwan, AKH:khkwan@hkucc.hku.hken_HK
dc.identifier.emailHo, JCM:johnny.ho@hku.hken_HK
dc.identifier.authorityPam, HJ=rp00071en_HK
dc.identifier.authorityKwan, AKH=rp00127en_HK
dc.identifier.authorityHo, JCM=rp00070en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-0035499735en_HK
dc.identifier.hkuros66954en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0035499735&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume12en_HK
dc.identifier.issue5en_HK
dc.identifier.spage459en_HK
dc.identifier.epage474en_HK
dc.publisher.placeKorea, Republic ofen_HK
dc.identifier.scopusauthoridPam, HJ=6602976141en_HK
dc.identifier.scopusauthoridKwan, AKH=7101738204en_HK
dc.identifier.scopusauthoridHo, JCM=24831880500en_HK

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