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Article: Modeling dowel action of reinforcement bars for finite element analysis of concrete structures

TitleModeling dowel action of reinforcement bars for finite element analysis of concrete structures
Authors
Issue Date2001
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/compstruc
Citation
Computers And Structures, 2001, v. 79 n. 6, p. 595-604 How to Cite?
AbstractA numerical model for the dowel action of reinforcement bars crossing cracks in concrete is developed for finite element analysis of concrete structures. The beam on elastic foundation theory is used to derive the dowel force-displacement relationship, which is expressed in a smeared form in terms of dowel stress and strain in order to be compatible with the smeared crack and smeared reinforcement models commonly used in finite element analysis. This dowel action model is incorporated in a finite element program that employs secant stiffness formulation and a displacement controlled iteration scheme for nonlinear analysis. Using the finite element program, the nonlinear behaviors of several reinforced concrete beams tested by others are analyzed well into the post-peak range. The beams are analyzed first with the dowel action neglected and then again with the dowel action incorporated. It is found that in certain cases, the dowel action can have significant effects on the shear strength and ductility of reinforced concrete beams and that the analytical results generally agree better with the experimental values when the dowel action is taken into account.
Persistent Identifierhttp://hdl.handle.net/10722/70783
ISSN
2015 Impact Factor: 2.425
2015 SCImago Journal Rankings: 1.710
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorHe, XGen_HK
dc.contributor.authorKwan, AKHen_HK
dc.date.accessioned2010-09-06T06:26:05Z-
dc.date.available2010-09-06T06:26:05Z-
dc.date.issued2001en_HK
dc.identifier.citationComputers And Structures, 2001, v. 79 n. 6, p. 595-604en_HK
dc.identifier.issn0045-7949en_HK
dc.identifier.urihttp://hdl.handle.net/10722/70783-
dc.description.abstractA numerical model for the dowel action of reinforcement bars crossing cracks in concrete is developed for finite element analysis of concrete structures. The beam on elastic foundation theory is used to derive the dowel force-displacement relationship, which is expressed in a smeared form in terms of dowel stress and strain in order to be compatible with the smeared crack and smeared reinforcement models commonly used in finite element analysis. This dowel action model is incorporated in a finite element program that employs secant stiffness formulation and a displacement controlled iteration scheme for nonlinear analysis. Using the finite element program, the nonlinear behaviors of several reinforced concrete beams tested by others are analyzed well into the post-peak range. The beams are analyzed first with the dowel action neglected and then again with the dowel action incorporated. It is found that in certain cases, the dowel action can have significant effects on the shear strength and ductility of reinforced concrete beams and that the analytical results generally agree better with the experimental values when the dowel action is taken into account.en_HK
dc.languageengen_HK
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/compstrucen_HK
dc.relation.ispartofComputers and Structuresen_HK
dc.titleModeling dowel action of reinforcement bars for finite element analysis of concrete structuresen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0045-7949&volume=79 &issue=6&spage=595 &epage= 604&date=2001&atitle=Modeling+dowel+action+of+reinforcement+bars+for+finite+element+analysis+of+concrete+structuresen_HK
dc.identifier.emailKwan, AKH:khkwan@hkucc.hku.hken_HK
dc.identifier.authorityKwan, AKH=rp00127en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/S0045-7949(00)00158-9en_HK
dc.identifier.scopuseid_2-s2.0-0035254595en_HK
dc.identifier.hkuros62598en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0035254595&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume79en_HK
dc.identifier.issue6en_HK
dc.identifier.spage595en_HK
dc.identifier.epage604en_HK
dc.identifier.isiWOS:000166882200003-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridHe, XG=7404408241en_HK
dc.identifier.scopusauthoridKwan, AKH=7101738204en_HK

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