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Article: Theoretical analysis of post-peak flexural behaviour of normal- and high-strength concrete beams

TitleTheoretical analysis of post-peak flexural behaviour of normal- and high-strength concrete beams
Authors
Issue Date2003
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, 2003, v. 12 n. 2, p. 109-125 How to Cite?
AbstractA new method of analysing the post-peak flexural behaviour of reinforced concrete beams has been developed and applied to normal- and high-strength concrete beams. It was revealed that at the post-peak stage the neutral axis depth keeps on increasing, and at a certain point the strain in the tension reinforcement starts to decrease, even though the curvature is increasing monotonically. Such strain reversal in the tension reinforcement occurs in all concrete beams and has significant effects on the post-peak behaviour and flexural ductility of concrete beams. Therefore, the stress path dependence of the tension reinforcement needs to be taken into account in the analysis. By means of a parametric study, the variation of ultimate concrete strain with tension steel ratio and the effects of various structural parameters on flexural ductility have been studied. Based on the numerical results, design values of ultimate concrete strain that are independent of tension steel ratio have been recommended and a simple formula for predicting the flexural ductility of reinforced normal- and high-strength concrete beams has been developed. Copyright © 2003 John Wiley & Sons, Ltd.
Persistent Identifierhttp://hdl.handle.net/10722/71705
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.authorKwan, AKHen_HK
dc.contributor.authorPam, HJen_HK
dc.date.accessioned2010-09-06T06:34:25Z-
dc.date.available2010-09-06T06:34:25Z-
dc.date.issued2003en_HK
dc.identifier.citationStructural Design Of Tall And Special Buildings, 2003, v. 12 n. 2, p. 109-125en_HK
dc.identifier.issn1541-7794en_HK
dc.identifier.urihttp://hdl.handle.net/10722/71705-
dc.description.abstractA new method of analysing the post-peak flexural behaviour of reinforced concrete beams has been developed and applied to normal- and high-strength concrete beams. It was revealed that at the post-peak stage the neutral axis depth keeps on increasing, and at a certain point the strain in the tension reinforcement starts to decrease, even though the curvature is increasing monotonically. Such strain reversal in the tension reinforcement occurs in all concrete beams and has significant effects on the post-peak behaviour and flexural ductility of concrete beams. Therefore, the stress path dependence of the tension reinforcement needs to be taken into account in the analysis. By means of a parametric study, the variation of ultimate concrete strain with tension steel ratio and the effects of various structural parameters on flexural ductility have been studied. Based on the numerical results, design values of ultimate concrete strain that are independent of tension steel ratio have been recommended and a simple formula for predicting the flexural ductility of reinforced normal- and high-strength concrete beams has been developed. Copyright © 2003 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.en_HK
dc.titleTheoretical analysis of post-peak flexural behaviour of normal- and high-strength concrete beamsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1541-7794&volume=12&issue=2&spage=109&epage=125&date=2003&atitle=Theoretical+Analysis+of+Post-peak+Flexural+Behaviour+of+Normal-+and+High-strength+Concrete+Beamsen_HK
dc.identifier.emailHo, JCM:johnny.ho@hku.hken_HK
dc.identifier.emailKwan, AKH:khkwan@hkucc.hku.hken_HK
dc.identifier.emailPam, HJ:pamhoatjoen@hku.hken_HK
dc.identifier.authorityHo, JCM=rp00070en_HK
dc.identifier.authorityKwan, AKH=rp00127en_HK
dc.identifier.authorityPam, HJ=rp00071en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1002/tal.216en_HK
dc.identifier.scopuseid_2-s2.0-0042884434en_HK
dc.identifier.hkuros144934en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0042884434&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume12en_HK
dc.identifier.issue2en_HK
dc.identifier.spage109en_HK
dc.identifier.epage125en_HK
dc.identifier.isiWOS:000184632800003-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridHo, JCM=24831880500en_HK
dc.identifier.scopusauthoridKwan, AKH=7101738204en_HK
dc.identifier.scopusauthoridPam, HJ=6602976141en_HK

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