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Article: Creep and shrinkage analysis of reinforced concrete frames by history-adjusted and shrinkage-adjusted elasticity moduli

TitleCreep and shrinkage analysis of reinforced concrete frames by history-adjusted and shrinkage-adjusted elasticity moduli
Authors
Issue Date2009
PublisherJohn Wiley & Sons Ltd. The Journal's web site is located at http://www.interscience.wiley.com/jpages/1541-7794/
Citation
Structural Design Of Tall And Special Buildings, 2009, v. 18 n. 1, p. 13-35 How to Cite?
AbstractConsideration of the time-dependent deformations due to creep and shrinkage is often necessary to ensure satisfactory behavior of complex concrete structures. The stresses and deformations of a reinforced concrete frame can be analyzed by the finite element method using time integration. However, as the full stress history prior to each time interval considered is necessary, with the increase in the number of time intervals used, the amount of computations increases dramatically. The concept of age-adjusted elasticity modulus is further explored to develop new functions for efficient evaluation of time-dependent behavior of concrete frames. The history-adjusted elasticity modulus is devised so that stage construction can be modeled more accurately. Likewise, the shrinkage-adjusted elasticity modulus is introduced to enable shrinkage analysis to be carried out using one single step. The methods can cope with frame structures built and loaded in several stages. Accurate results can be obtained by considering just a few large time intervals instead of those fine time steps used in time integration. Numerical examples are presented to demonstrate the usefulness of the new methods. Copyright © 2007 John Wiley & Sons, Ltd.
Persistent Identifierhttp://hdl.handle.net/10722/58548
ISSN
2015 Impact Factor: 0.898
2015 SCImago Journal Rankings: 0.690
ISI Accession Number ID
Funding AgencyGrant Number
Committee on Research and Conference Grants
University of Hong Kong, Hong Kong
Funding Information:

The work described in this paper has been partially supported by the Committee on Research and Conference Grants, the University of Hong Kong, Hong Kong.

References

 

DC FieldValueLanguage
dc.contributor.authorAu, FTKen_HK
dc.contributor.authorLiu, CHen_HK
dc.contributor.authorLee, PKKen_HK
dc.date.accessioned2010-05-31T03:32:20Z-
dc.date.available2010-05-31T03:32:20Z-
dc.date.issued2009en_HK
dc.identifier.citationStructural Design Of Tall And Special Buildings, 2009, v. 18 n. 1, p. 13-35en_HK
dc.identifier.issn1541-7794en_HK
dc.identifier.urihttp://hdl.handle.net/10722/58548-
dc.description.abstractConsideration of the time-dependent deformations due to creep and shrinkage is often necessary to ensure satisfactory behavior of complex concrete structures. The stresses and deformations of a reinforced concrete frame can be analyzed by the finite element method using time integration. However, as the full stress history prior to each time interval considered is necessary, with the increase in the number of time intervals used, the amount of computations increases dramatically. The concept of age-adjusted elasticity modulus is further explored to develop new functions for efficient evaluation of time-dependent behavior of concrete frames. The history-adjusted elasticity modulus is devised so that stage construction can be modeled more accurately. Likewise, the shrinkage-adjusted elasticity modulus is introduced to enable shrinkage analysis to be carried out using one single step. The methods can cope with frame structures built and loaded in several stages. Accurate results can be obtained by considering just a few large time intervals instead of those fine time steps used in time integration. Numerical examples are presented to demonstrate the usefulness of the new methods. Copyright © 2007 John Wiley & Sons, Ltd.en_HK
dc.languageengen_HK
dc.publisherJohn Wiley & Sons Ltd. The Journal's web site is located at http://www.interscience.wiley.com/jpages/1541-7794/en_HK
dc.relation.ispartofStructural Design of Tall and Special Buildingsen_HK
dc.rightsThe Structural Design of Tall and Special Buildings. Copyright © John Wiley & Sons Ltd.en_HK
dc.titleCreep and shrinkage analysis of reinforced concrete frames by history-adjusted and shrinkage-adjusted elasticity modulien_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1541-7794&volume=18&issue=1&spage=13&epage=35&date=2009&atitle=Creep+and+shrinkage+analysis+of+reinforced+concrete+frames+by+history-adjusted+and+shrinkage-adjusted+elasticity+modulien_HK
dc.identifier.emailAu, FTK:francis.au@hku.hken_HK
dc.identifier.emailLee, PKK:hreclkk@hkucc.hku.hken_HK
dc.identifier.authorityAu, FTK=rp00083en_HK
dc.identifier.authorityLee, PKK=rp00141en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1002/tal.391en_HK
dc.identifier.scopuseid_2-s2.0-60849094789en_HK
dc.identifier.hkuros158978en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-60849094789&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume18en_HK
dc.identifier.issue1en_HK
dc.identifier.spage13en_HK
dc.identifier.epage35en_HK
dc.identifier.isiWOS:000263485500002-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridAu, FTK=7005204072en_HK
dc.identifier.scopusauthoridLee, PKK=24522826500en_HK

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