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Article: FRP-to-concrete joint assemblages anchored with multiple FRP anchors

TitleFRP-to-concrete joint assemblages anchored with multiple FRP anchors
Authors
KeywordsAnchorage
Bond
Concrete
FRP
Joints
Strengthening
Issue Date2012
PublisherElsevier Ltd. The Journal's web site is located at http://www.elsevier.com/locate/compstruct
Citation
Composite Structures, 2012, v. 94 n. 2, p. 403-414 How to Cite?
AbstractMechanical anchorage can enhance the strain capacity of externally bonded fibre-reinforced polymer (FRP) composite plates which are used for the strengthening of concrete members. Anchors made from FRP, which are known as FRP anchors or spike anchors, are an effective anchorage because they can be applied to a wide variety of FRP-strengthened structural elements such as beams and slabs. Limited research and understanding of FRP anchors in isolation or in groups is, however, hindering their rational design. As a result of such a knowledge gap, a series of tests is reported in this paper on forty-one FRP-to-concrete joints anchored with single as well as multiple FRP anchors in addition to two unanchored control joints. Apart from the number of anchors, the location of the anchors is investigated in addition to the method of anchor installation. The displacement controlled nature of the tests has enabled the complete load-slip responses of the joints to be captured, as well as FRP plate strains, and such results facilitate valuable insights to be gained in behaviour and understanding. The optimal arrangement of anchors tripled the strength of anchored joints relative to the unanchored control joint average. In addition, the slip capacity was generally increased at least five fold. Finally, a simple analytical model is also presented which is shown to compare reasonably well with the test results. © 2011 Elsevier Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/139081
ISSN
2015 Impact Factor: 3.853
2015 SCImago Journal Rankings: 2.408
ISI Accession Number ID
Funding AgencyGrant Number
Hong Kong Research Grants CouncilHKU 715907E
Funding Information:

Funding provided by the Hong Kong Research Grants Council's General Research Fund Grant HKU 715907E is gratefully acknowledged.

Grants

 

DC FieldValueLanguage
dc.contributor.authorZhang, HWen_HK
dc.contributor.authorSmith, STen_HK
dc.date.accessioned2011-09-23T05:44:50Z-
dc.date.available2011-09-23T05:44:50Z-
dc.date.issued2012en_HK
dc.identifier.citationComposite Structures, 2012, v. 94 n. 2, p. 403-414en_HK
dc.identifier.issn0263-8223en_HK
dc.identifier.urihttp://hdl.handle.net/10722/139081-
dc.description.abstractMechanical anchorage can enhance the strain capacity of externally bonded fibre-reinforced polymer (FRP) composite plates which are used for the strengthening of concrete members. Anchors made from FRP, which are known as FRP anchors or spike anchors, are an effective anchorage because they can be applied to a wide variety of FRP-strengthened structural elements such as beams and slabs. Limited research and understanding of FRP anchors in isolation or in groups is, however, hindering their rational design. As a result of such a knowledge gap, a series of tests is reported in this paper on forty-one FRP-to-concrete joints anchored with single as well as multiple FRP anchors in addition to two unanchored control joints. Apart from the number of anchors, the location of the anchors is investigated in addition to the method of anchor installation. The displacement controlled nature of the tests has enabled the complete load-slip responses of the joints to be captured, as well as FRP plate strains, and such results facilitate valuable insights to be gained in behaviour and understanding. The optimal arrangement of anchors tripled the strength of anchored joints relative to the unanchored control joint average. In addition, the slip capacity was generally increased at least five fold. Finally, a simple analytical model is also presented which is shown to compare reasonably well with the test results. © 2011 Elsevier Ltd. All rights reserved.en_HK
dc.languageengen_US
dc.publisherElsevier Ltd. The Journal's web site is located at http://www.elsevier.com/locate/compstructen_HK
dc.relation.ispartofComposite Structuresen_HK
dc.subjectAnchorageen_HK
dc.subjectBonden_HK
dc.subjectConcreteen_HK
dc.subjectFRPen_HK
dc.subjectJointsen_HK
dc.subjectStrengtheningen_HK
dc.titleFRP-to-concrete joint assemblages anchored with multiple FRP anchorsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0263-8223&volume=doi:10.1016/j.conbuildmat.2010.11.100&spage=&epage=&date=2011&atitle=FRP-to-concrete+joint+assemblages+anchored+with+multiple+FRP+anchorsen_US
dc.identifier.emailSmith, ST:stsmith@hku.hken_HK
dc.identifier.authoritySmith, ST=rp00168en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.compstruct.2011.07.025en_HK
dc.identifier.scopuseid_2-s2.0-84862919749en_HK
dc.identifier.hkuros210134en_US
dc.identifier.volume94en_US
dc.identifier.issue2-
dc.identifier.spage403-
dc.identifier.epage414-
dc.identifier.eissn1879-1085-
dc.identifier.isiWOS:000298362600009-
dc.publisher.placeUnited Kingdomen_HK
dc.relation.projectPrevention of Debonding Failures in Externally Bonded Fibre Reinforced Polymer (FRP) Composite Strengthening Systems using FRP Anchors-
dc.identifier.scopusauthoridZhang, HW=39262819200en_HK
dc.identifier.scopusauthoridSmith, ST=8751691000en_HK

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