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Article: Behavior and effectiveness of FRP wrap in the confinement of large concrete cylinders

TitleBehavior and effectiveness of FRP wrap in the confinement of large concrete cylinders
Authors
KeywordsColumns
Concrete
Confinement
Cylinders
Fiber-reinforced polymers
Issue Date2010
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, 2010, v. 14 n. 5, p. 573-582 How to Cite?
AbstractThis paper presents the results of an experimental investigation on the strength and behavior of large 250 mm diameter concentrically loaded unreinforced fiber-reinforced polymer (FRP) confined concrete cylinders. In this study, the effect of the number of layers of the FRP and different overlap locations on the effectiveness of the FRP wrap is determined. Discontinuous versus continuous wrapping configurations to confine the cylinder are also investigated. To quantify the level of strain in the wrap and to aid in developing a deeper understanding of the behavior of these larger sized test specimens, an extensive array of electrical resistance strain gauges is used in addition to electronic speckle pattern interferometry (ESPI) optical measurement at selected locations. The ESPI results prove especially powerful in confirming the existence of strain concentrations at the ends of the overlap region, which may contribute to rupture failure of the wrap. The strain gauges in turn enable the effectiveness of the FRP to be quantified in addition to the distribution of hoop strain in the overlap and nonoverlap regions. Also of interest in these tests is identification of the occurrence of interfacial failure between the FRP and concrete at the FRP rupture failure position. Finally, the test results are found to correlate reasonably well with the ACI 440.2R-08 predictions for FRP-confined concrete columns. © 2010 ASCE.
Persistent Identifierhttp://hdl.handle.net/10722/124612
ISSN
2015 Impact Factor: 2.503
2015 SCImago Journal Rankings: 2.051
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorSmith, STen_HK
dc.contributor.authorKim, SJen_HK
dc.contributor.authorZhang, Hen_HK
dc.date.accessioned2010-10-31T10:44:09Z-
dc.date.available2010-10-31T10:44:09Z-
dc.date.issued2010en_HK
dc.identifier.citationJournal Of Composites For Construction, 2010, v. 14 n. 5, p. 573-582en_HK
dc.identifier.issn1090-0268en_HK
dc.identifier.urihttp://hdl.handle.net/10722/124612-
dc.description.abstractThis paper presents the results of an experimental investigation on the strength and behavior of large 250 mm diameter concentrically loaded unreinforced fiber-reinforced polymer (FRP) confined concrete cylinders. In this study, the effect of the number of layers of the FRP and different overlap locations on the effectiveness of the FRP wrap is determined. Discontinuous versus continuous wrapping configurations to confine the cylinder are also investigated. To quantify the level of strain in the wrap and to aid in developing a deeper understanding of the behavior of these larger sized test specimens, an extensive array of electrical resistance strain gauges is used in addition to electronic speckle pattern interferometry (ESPI) optical measurement at selected locations. The ESPI results prove especially powerful in confirming the existence of strain concentrations at the ends of the overlap region, which may contribute to rupture failure of the wrap. The strain gauges in turn enable the effectiveness of the FRP to be quantified in addition to the distribution of hoop strain in the overlap and nonoverlap regions. Also of interest in these tests is identification of the occurrence of interfacial failure between the FRP and concrete at the FRP rupture failure position. Finally, the test results are found to correlate reasonably well with the ACI 440.2R-08 predictions for FRP-confined concrete columns. © 2010 ASCE.en_HK
dc.languageengen_HK
dc.publisherAmerican Society of Civil Engineers. The Journal's web site is located at http://www.pubs.asce.org/journals/cc.htmlen_HK
dc.relation.ispartofJournal of Composites for Constructionen_HK
dc.subjectColumnsen_HK
dc.subjectConcreteen_HK
dc.subjectConfinementen_HK
dc.subjectCylindersen_HK
dc.subjectFiber-reinforced polymersen_HK
dc.titleBehavior and effectiveness of FRP wrap in the confinement of large concrete cylindersen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1090-0268&volume=doi: 10.1061/&issue=ASCE&spage=&epage=&date=2010&atitle=Behavior+and+effectiveness+of+FRP+wrap+in+the+confinement+of+large+concrete+cylindersen_HK
dc.identifier.emailSmith, ST:stsmith@hku.hken_HK
dc.identifier.authoritySmith, ST=rp00168en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1061/(ASCE)CC.1943-5614.0000119en_HK
dc.identifier.scopuseid_2-s2.0-77956834371en_HK
dc.identifier.hkuros178886en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-77956834371&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume14en_HK
dc.identifier.issue5en_HK
dc.identifier.spage573en_HK
dc.identifier.epage582en_HK
dc.identifier.eissn1943-5614-
dc.identifier.isiWOS:000281825500010-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridSmith, ST=8751691000en_HK
dc.identifier.scopusauthoridKim, SJ=36237633000en_HK
dc.identifier.scopusauthoridZhang, H=36538235600en_HK

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