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Article: Flexural ductility and deformability of concrete beams incorporating high-performance materials

TitleFlexural ductility and deformability of concrete beams incorporating high-performance materials
Authors
KeywordsConcrete beam
Flexural ductility
High performance material
High strength concretes
Moment curvature analysis
Issue Date2012
PublisherJohn Wiley & Sons Ltd. The Journal's web site is located at http://www.interscience.wiley.com/jpages/1541-7794/
Citation
Structural Design Of Tall And Special Buildings, 2012, v. 21 n. 2, p. 114-132 How to Cite?
AbstractHigh-performance materials, such as high-strength concrete (HSC) and high-strength steel (HSS), are often adopted in tall buildings to reduce member size and save space. The use of HSC and/or HSS can significantly increase the flexural strength of concrete members but may also adversely affect the flexural ductility and deformability. Herein, the pros and cons of using HSC and HSS in concrete beams are investigated in terms of the limits of flexural strength, ductility and deformability that can be simultaneously achieved using nonlinear moment-curvature analysis with stress-path dependence of the reinforcement taken into account. The results reveal that the use of HSC or both HSC and HSS in concrete beams can at the same strength increase the ductility and deformability, or increase the strength without depleting the ductility and deformability. However, the use of HSS has no such benefit, albeit it can reduce the steel area required. Copyright © 2010 John Wiley & Sons, Ltd.
Persistent Identifierhttp://hdl.handle.net/10722/124562
ISSN
2015 Impact Factor: 0.898
2015 SCImago Journal Rankings: 0.690
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorHo, JCMen_HK
dc.contributor.authorLam, JYKen_HK
dc.contributor.authorKwan, AKHen_HK
dc.date.accessioned2010-10-31T10:41:28Z-
dc.date.available2010-10-31T10:41:28Z-
dc.date.issued2012en_HK
dc.identifier.citationStructural Design Of Tall And Special Buildings, 2012, v. 21 n. 2, p. 114-132en_HK
dc.identifier.issn1541-7794en_HK
dc.identifier.urihttp://hdl.handle.net/10722/124562-
dc.description.abstractHigh-performance materials, such as high-strength concrete (HSC) and high-strength steel (HSS), are often adopted in tall buildings to reduce member size and save space. The use of HSC and/or HSS can significantly increase the flexural strength of concrete members but may also adversely affect the flexural ductility and deformability. Herein, the pros and cons of using HSC and HSS in concrete beams are investigated in terms of the limits of flexural strength, ductility and deformability that can be simultaneously achieved using nonlinear moment-curvature analysis with stress-path dependence of the reinforcement taken into account. The results reveal that the use of HSC or both HSC and HSS in concrete beams can at the same strength increase the ductility and deformability, or increase the strength without depleting the ductility and deformability. However, the use of HSS has no such benefit, albeit it can reduce the steel area required. Copyright © 2010 John Wiley & Sons, Ltd.en_HK
dc.languageengen_HK
dc.publisherJohn Wiley & Sons Ltd. The Journal's web site is located at http://www.interscience.wiley.com/jpages/1541-7794/en_HK
dc.relation.ispartofStructural Design of Tall and Special Buildingsen_HK
dc.rightsThe Structural Design of Tall and Special Buildings. Copyright © John Wiley & Sons Ltd.-
dc.subjectConcrete beam-
dc.subjectFlexural ductility-
dc.subjectHigh performance material-
dc.subjectHigh strength concretes-
dc.subjectMoment curvature analysis-
dc.titleFlexural ductility and deformability of concrete beams incorporating high-performance materialsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1541-7794&volume=&spage=&epage=&date=2010&atitle=Flexural+ductility+and+deformability+of+concrete+beams+incorporating+high-performance+materialsen_HK
dc.identifier.emailHo, JCM:johnny.ho@hku.hken_HK
dc.identifier.authorityHo, JCM=rp00070en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1002/tal.579en_HK
dc.identifier.scopuseid_2-s2.0-84856283313en_HK
dc.identifier.hkuros176103en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-84856283313&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume21en_HK
dc.identifier.issue2en_HK
dc.identifier.spage114en_HK
dc.identifier.epage132en_HK
dc.identifier.isiWOS:000299554000003-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridHo, JCM=24831880500en_HK
dc.identifier.scopusauthoridLam, JYK=24831751200en_HK
dc.identifier.scopusauthoridKwan, AKH=54924582700en_HK

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