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Article: Practical determination of prestress tendon profile by load-balancing method

TitlePractical determination of prestress tendon profile by load-balancing method
Authors
KeywordsLoad-Balancing Method
Prestressed Concrete
Issue Date2006
PublisherHong Kong Institution of Engineers. The Journal's web site is located at http://www.hkie.org.hk/html/publications/transactions/index.asp
Citation
Transactions Hong Kong Institution Of Engineers, 2006, v. 13 n. 3, p. 27-34 How to Cite?
AbstractThe determination of prestress tendon profile is a crucial step in the design of prestressed concrete structures. Like other design procedures, it is perceived to be a trial-and-error process. As an uncommon alternative to the conventional method of working out secondary moments and revising the tendon profile when the line of pressure falls out of the limiting zone, the load-balancing method offers great potential for direct determination of tendon profile. Though decades have passed since its proposition, there are still no comprehensive guidelines as to how the load-balancing method should be implemented. Issues regarding how much load should be balanced and how the method should be applied to two-dimensional structures etc have not been systemicalfy addressed. In this paper, the load-balancing method is revisited. Various considerations in the implementation of the method are discussed and two examples are presented to illustrate the step-by-step procedures. It is shown that the method is actually quite easy to implement, even in complicated structures like curved continuous bridges. Finally, it is advocated that the method is a much more efficient alternative to the conventional method and should be incorporated in the standard design process.
Persistent Identifierhttp://hdl.handle.net/10722/150375
ISSN
2015 SCImago Journal Rankings: 0.145
References

 

DC FieldValueLanguage
dc.contributor.authorNg, PLen_US
dc.contributor.authorKwan, AKHen_US
dc.date.accessioned2012-06-26T06:03:59Z-
dc.date.available2012-06-26T06:03:59Z-
dc.date.issued2006en_US
dc.identifier.citationTransactions Hong Kong Institution Of Engineers, 2006, v. 13 n. 3, p. 27-34en_US
dc.identifier.issn1023-697Xen_US
dc.identifier.urihttp://hdl.handle.net/10722/150375-
dc.description.abstractThe determination of prestress tendon profile is a crucial step in the design of prestressed concrete structures. Like other design procedures, it is perceived to be a trial-and-error process. As an uncommon alternative to the conventional method of working out secondary moments and revising the tendon profile when the line of pressure falls out of the limiting zone, the load-balancing method offers great potential for direct determination of tendon profile. Though decades have passed since its proposition, there are still no comprehensive guidelines as to how the load-balancing method should be implemented. Issues regarding how much load should be balanced and how the method should be applied to two-dimensional structures etc have not been systemicalfy addressed. In this paper, the load-balancing method is revisited. Various considerations in the implementation of the method are discussed and two examples are presented to illustrate the step-by-step procedures. It is shown that the method is actually quite easy to implement, even in complicated structures like curved continuous bridges. Finally, it is advocated that the method is a much more efficient alternative to the conventional method and should be incorporated in the standard design process.en_US
dc.languageengen_US
dc.publisherHong Kong Institution of Engineers. The Journal's web site is located at http://www.hkie.org.hk/html/publications/transactions/index.aspen_US
dc.relation.ispartofTransactions Hong Kong Institution of Engineersen_US
dc.subjectLoad-Balancing Methoden_US
dc.subjectPrestressed Concreteen_US
dc.titlePractical determination of prestress tendon profile by load-balancing methoden_US
dc.typeArticleen_US
dc.identifier.emailKwan, AKH:khkwan@hkucc.hku.hken_US
dc.identifier.authorityKwan, AKH=rp00127en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-33750324061en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33750324061&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume13en_US
dc.identifier.issue3en_US
dc.identifier.spage27en_US
dc.identifier.epage34en_US
dc.publisher.placeHong Kongen_US
dc.identifier.scopusauthoridNg, PL=15045284100en_US
dc.identifier.scopusauthoridKwan, AKH=7101738204en_US

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