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Article: CFRP-confined square RC columns. II: cyclic axial compression stress-strain model

TitleCFRP-confined square RC columns. II: cyclic axial compression stress-strain model
Authors
KeywordsConfinement
Constitutive models
Fiber reinforced polymer
Reinforced concrete
Concrete construction
Issue Date2012
PublisherAmerican Society of Civil Engineers. The Journal's web site is located at http://www.pubs.asce.org/journals/cc.html
Citation
Journal of Composites for Construction, 2012, v. 16 n. 2, p. 161-170 How to Cite?
AbstractFor the seismic design of fiber reinforcement polymer (FRP) confined reinforced concrete (RC) columns, the development of an accurate axial stress-strain model that considers cyclic compression is necessary. In light of such a demand, this paper presents a cyclic axial stress-strain model for FRP-confined RC square columns. The model is informed from physical observations and test measurements obtained from an experimental investigation reported in the companion paper, in which FRP-confined square unreinforced and reinforced concrete columns of larger size under varying cyclic axial compression patterns were tested. In the current paper, the proposed stress-strain model is presented and it consists of three main components, namely (1)a monotonic stress-strain model to describe the envelope curve, (2)a polynomial expression for the unloading path, and (3)a straight line for the reloading path. The influence of internal longitudinal and hoop steel reinforcement is also considered in the proposed model, in addition to their influence on the ultimate stress and strain. The accuracy of the model is finally validated with an experimental database compiled of tests reported in the companion paper and other relevant tests extracted from the open literature © 2012 American Society of Civil Engineers.
Persistent Identifierhttp://hdl.handle.net/10722/139083
ISSN
2015 Impact Factor: 2.503
2015 SCImago Journal Rankings: 2.051
ISI Accession Number ID
Funding AgencyGrant Number
National Natural Science Foundation of China51078109
50408010
Heilongjiang Provincial Foundation for Returned Overseas ScholarsLC2011C23
Funding Information:

This first author acknowledges the support provided by the National Natural Science Foundation of China (Grant Nos. 51078109 and 50408010) and also by the Heilongjiang Provincial Foundation for Returned Overseas Scholars (Grant No. LC2011C23).

 

DC FieldValueLanguage
dc.contributor.authorWang, ZYen_US
dc.contributor.authorWang, DYen_US
dc.contributor.authorSmith, STen_US
dc.contributor.authorLu, DGen_US
dc.date.accessioned2011-09-23T05:44:51Z-
dc.date.available2011-09-23T05:44:51Z-
dc.date.issued2012en_US
dc.identifier.citationJournal of Composites for Construction, 2012, v. 16 n. 2, p. 161-170en_US
dc.identifier.issn1090-0268en_US
dc.identifier.urihttp://hdl.handle.net/10722/139083-
dc.description.abstractFor the seismic design of fiber reinforcement polymer (FRP) confined reinforced concrete (RC) columns, the development of an accurate axial stress-strain model that considers cyclic compression is necessary. In light of such a demand, this paper presents a cyclic axial stress-strain model for FRP-confined RC square columns. The model is informed from physical observations and test measurements obtained from an experimental investigation reported in the companion paper, in which FRP-confined square unreinforced and reinforced concrete columns of larger size under varying cyclic axial compression patterns were tested. In the current paper, the proposed stress-strain model is presented and it consists of three main components, namely (1)a monotonic stress-strain model to describe the envelope curve, (2)a polynomial expression for the unloading path, and (3)a straight line for the reloading path. The influence of internal longitudinal and hoop steel reinforcement is also considered in the proposed model, in addition to their influence on the ultimate stress and strain. The accuracy of the model is finally validated with an experimental database compiled of tests reported in the companion paper and other relevant tests extracted from the open literature © 2012 American Society of Civil Engineers.-
dc.languageengen_US
dc.publisherAmerican Society of Civil Engineers. The Journal's web site is located at http://www.pubs.asce.org/journals/cc.htmlen_US
dc.relation.ispartofJournal of Composites for Constructionen_US
dc.rightsJournal of Composites for Construction. Copyright © American Society of Civil Engineers.-
dc.subjectConfinement-
dc.subjectConstitutive models-
dc.subjectFiber reinforced polymer-
dc.subjectReinforced concrete-
dc.subjectConcrete construction-
dc.titleCFRP-confined square RC columns. II: cyclic axial compression stress-strain modelen_US
dc.typeArticleen_US
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1090-0268&volume=doi:10.1061/&issue=ASCE&spage=&epage=&date=2011&atitle=CFRP-confined+square+RC+columns.+II:+cyclic+axial+compression+stress-strain+modelen_US
dc.identifier.emailSmith, ST: stsmith@hku.hken_US
dc.identifier.authoritySmith, ST=rp00168en_US
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1061/(ASCE)CC.1943-5614.0000246-
dc.identifier.scopuseid_2-s2.0-84870745873-
dc.identifier.hkuros195000en_US
dc.identifier.hkuros210138-
dc.identifier.volume16-
dc.identifier.issue2-
dc.identifier.spage161-
dc.identifier.epage170-
dc.identifier.isiWOS:000303129600005-
dc.publisher.placeUnited States-

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