File Download

There are no files associated with this item.

  Links for fulltext
     (May Require Subscription)
Supplementary

Article: Ductility analysis of prestressed concrete beams with unbonded tendons

TitleDuctility analysis of prestressed concrete beams with unbonded tendons
Authors
KeywordsDuctility
Post-tensioning
Prestressed concrete
Unbonded tendons
Issue Date2008
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/engstruct
Citation
Engineering Structures, 2008, v. 30 n. 1, p. 13-21 How to Cite?
Abstract
This paper describes a numerical method for the full-range analysis of prestressed concrete flexural members with unbonded tendons, taking into account the stress-path dependence of materials. The numerical results compare favourably with experimental results. Parametric studies are carried out to evaluate the influence of loading type, span-depth ratio, combined reinforcement index (CRI), partial prestressing ratio, concrete compressive strength, and ratio of compressive reinforcement, etc. on the ductility behaviour. The results indicate that the curvature ductility factor of prestressed concrete members with unbonded tendons decreases with the increase of CRI. The curvature ductility factors for members with bonded and unbonded tendons for given values of CRI are also analyzed and compared. It is generally observed that when the CRI is between 0.15 and 0.20, the ductility factor of an unbonded member is close to that of the bonded one. Above this range of CRI the ductility factor of an unbonded member is higher than that of a bonded one, while below this range the ductility factor of an unbonded member is lower than that of a bonded one. © 2007 Elsevier Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/71510
ISSN
2013 Impact Factor: 1.767
2013 SCImago Journal Rankings: 2.205
ISI Accession Number ID
References

 

Author Affiliations
  1. The University of Hong Kong
  2. Beijing Jiaotong Daxue
DC FieldValueLanguage
dc.contributor.authorDu, JSen_HK
dc.contributor.authorAu, FTKen_HK
dc.contributor.authorCheung, YKen_HK
dc.contributor.authorKwan, AKHen_HK
dc.date.accessioned2010-09-06T06:32:39Z-
dc.date.available2010-09-06T06:32:39Z-
dc.date.issued2008en_HK
dc.identifier.citationEngineering Structures, 2008, v. 30 n. 1, p. 13-21en_HK
dc.identifier.issn0141-0296en_HK
dc.identifier.urihttp://hdl.handle.net/10722/71510-
dc.description.abstractThis paper describes a numerical method for the full-range analysis of prestressed concrete flexural members with unbonded tendons, taking into account the stress-path dependence of materials. The numerical results compare favourably with experimental results. Parametric studies are carried out to evaluate the influence of loading type, span-depth ratio, combined reinforcement index (CRI), partial prestressing ratio, concrete compressive strength, and ratio of compressive reinforcement, etc. on the ductility behaviour. The results indicate that the curvature ductility factor of prestressed concrete members with unbonded tendons decreases with the increase of CRI. The curvature ductility factors for members with bonded and unbonded tendons for given values of CRI are also analyzed and compared. It is generally observed that when the CRI is between 0.15 and 0.20, the ductility factor of an unbonded member is close to that of the bonded one. Above this range of CRI the ductility factor of an unbonded member is higher than that of a bonded one, while below this range the ductility factor of an unbonded member is lower than that of a bonded one. © 2007 Elsevier Ltd. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/engstructen_HK
dc.relation.ispartofEngineering Structuresen_HK
dc.subjectDuctilityen_HK
dc.subjectPost-tensioningen_HK
dc.subjectPrestressed concreteen_HK
dc.subjectUnbonded tendonsen_HK
dc.titleDuctility analysis of prestressed concrete beams with unbonded tendonsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0141-0296&volume=30 &issue=1&spage=13&epage=21&date=2008&atitle=Ductility+analysis+of+prestressed+concrete+beams+with+unbonded+tendonsen_HK
dc.identifier.emailAu, FTK:francis.au@hku.hken_HK
dc.identifier.emailCheung, YK:hreccyk@hkucc.hku.hken_HK
dc.identifier.emailKwan, AKH:khkwan@hkucc.hku.hken_HK
dc.identifier.authorityAu, FTK=rp00083en_HK
dc.identifier.authorityCheung, YK=rp00104en_HK
dc.identifier.authorityKwan, AKH=rp00127en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.engstruct.2007.02.015en_HK
dc.identifier.scopuseid_2-s2.0-36549036150en_HK
dc.identifier.hkuros140396en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-36549036150&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume30en_HK
dc.identifier.issue1en_HK
dc.identifier.spage13en_HK
dc.identifier.epage21en_HK
dc.identifier.isiWOS:000252832500002-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridDu, JS=36442226500en_HK
dc.identifier.scopusauthoridAu, FTK=7005204072en_HK
dc.identifier.scopusauthoridCheung, YK=7202111065en_HK
dc.identifier.scopusauthoridKwan, AKH=7101738204en_HK

Export via OAI-PMH Interface in XML Formats


OR


Export to Other Non-XML Formats