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Article: Prediction of ultimate stress in unbonded prestressed tendons

TitlePrediction of ultimate stress in unbonded prestressed tendons
Authors
Issue Date2004
PublisherThomas Telford (ICE Publishing). The Journal's web site is located at http://www.concrete-research.com
Citation
Magazine Of Concrete Research, 2004, v. 56 n. 1, p. 1-11 How to Cite?
AbstractThe behaviour of prestressed concrete members with unbonded tendons is different from that of members with bonded tendons. While the behaviour of prestressed concrete beams with bonded tendons is characterised by that existing at individual sections, analysis of the entire member is necessary for beams with unbonded tendons. This paper examines various design methods for the determination of ultimate tendon stress at flexural failure of prestressed concrete beams with unbonded tendons. Two broad categories of deformation-based approaches have been identified, namely those based on the span-depth ratio together with loading type, and those based on the neutral axis depth. These methods are reviewed critically. A new design formula has been proposed in the light of the available experimental data. It is applicable not only to the conventional high-strength steel prestressing tendons, but also to those made of other materials such as fibre-reinforced polymer.
Persistent Identifierhttp://hdl.handle.net/10722/70620
ISSN
2015 Impact Factor: 1.227
2015 SCImago Journal Rankings: 0.955
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorAu, FTKen_HK
dc.contributor.authorDu, JSen_HK
dc.date.accessioned2010-09-06T06:24:37Z-
dc.date.available2010-09-06T06:24:37Z-
dc.date.issued2004en_HK
dc.identifier.citationMagazine Of Concrete Research, 2004, v. 56 n. 1, p. 1-11en_HK
dc.identifier.issn0024-9831en_HK
dc.identifier.urihttp://hdl.handle.net/10722/70620-
dc.description.abstractThe behaviour of prestressed concrete members with unbonded tendons is different from that of members with bonded tendons. While the behaviour of prestressed concrete beams with bonded tendons is characterised by that existing at individual sections, analysis of the entire member is necessary for beams with unbonded tendons. This paper examines various design methods for the determination of ultimate tendon stress at flexural failure of prestressed concrete beams with unbonded tendons. Two broad categories of deformation-based approaches have been identified, namely those based on the span-depth ratio together with loading type, and those based on the neutral axis depth. These methods are reviewed critically. A new design formula has been proposed in the light of the available experimental data. It is applicable not only to the conventional high-strength steel prestressing tendons, but also to those made of other materials such as fibre-reinforced polymer.en_HK
dc.languageengen_HK
dc.publisherThomas Telford (ICE Publishing). The Journal's web site is located at http://www.concrete-research.comen_HK
dc.relation.ispartofMagazine of Concrete Researchen_HK
dc.rightsMagazine of Concrete Research. Copyright © Thomas Telford Ltd.en_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rightsPermission is granted by ICE Publishing to print one copy for personal use. Any other use of these PDF files is subject to reprint fees-
dc.titlePrediction of ultimate stress in unbonded prestressed tendonsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0024-9831&volume=56&issue=1&spage=1&epage=11&date=2004&atitle=Prediction+of+ultimate+stress+in+unbonded+prestressed+tendonsen_HK
dc.identifier.emailAu, FTK:francis.au@hku.hken_HK
dc.identifier.authorityAu, FTK=rp00083en_HK
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1680/macr.56.1.1.36288en_HK
dc.identifier.scopuseid_2-s2.0-0442311103en_HK
dc.identifier.hkuros95818en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0442311103&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume56en_HK
dc.identifier.issue1en_HK
dc.identifier.spage1en_HK
dc.identifier.epage11en_HK
dc.identifier.isiWOS:000189293800001-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridAu, FTK=7005204072en_HK
dc.identifier.scopusauthoridDu, JS=36442226500en_HK

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