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Article: The effect of a shear bond in the Rankine method for the fire resistance of RC columns

TitleThe effect of a shear bond in the Rankine method for the fire resistance of RC columns
Authors
KeywordsColumn
Fire Resistance
Rankine
Reinforced Concrete
Shear Bond
Issue Date2008
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/engstruct
Citation
Engineering Structures, 2008, v. 30 n. 12, p. 3595-3602 How to Cite?
AbstractThe Rankine formula has been adopted by many natural codes for designing columns and frames at ambient temperature. The method had recently been adapted for structural fire resistance prediction by Tan and co-workers [Tang CY, Tan KH. Basis and application of a simple interaction formula for steel frames under fire conditions. J Struct Engrg ASCE 2001;127(10):1206-13; Tang CY, Tan KH, Ting SK. Basis and application of a simple interaction formula for steel columns under fire conditions. J Struct Engrg ASCE 2001;127(10): 1214-20; Tan KH, Tang CY. Interaction formula for reinforced concrete columns in fire conditions. ACI Struct J 2004;101(1):19-28; Tan KH, Tang CY. Interaction model for unprotected concrete filled steel columns under standard fire conditions. J Struct Eng 2004;130:1405-13]. The conventional Rankine method considers a linear interaction of two failure modes: plastic squashing and linear elastic buckling, ignoring the coupling interaction between the two modes. Consequently, the conventional method gives lower bounds to actual failure loads. This paper discusses the physical meanings of the Rankine approach and the effect of coupling interaction (termed "shear bond" for consistency with our earlier publications) between the collapse modes on the ultimate failure load. The purpose is to demonstrate that the Rankine method is a conservative, robust, and rational method for the structural design of columns under either ambient or elevated temperatures. The approach can be further adapted to provide more accurate failure load predictions by incorporating the shear bond effect into the Rankine formula. Material deterioration at elevated temperature and the resulting effects on the strength and stability of columns are also quantified. A computer code (SAFIR), developed at the University of Liege, was used to calibrate the modified Rankine method. © 2008 Elsevier Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/185380
ISSN
2015 Impact Factor: 1.893
2015 SCImago Journal Rankings: 1.813
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorYao, Yen_US
dc.contributor.authorTan, KHen_US
dc.contributor.authorTang, CYen_US
dc.date.accessioned2013-07-30T07:32:03Z-
dc.date.available2013-07-30T07:32:03Z-
dc.date.issued2008en_US
dc.identifier.citationEngineering Structures, 2008, v. 30 n. 12, p. 3595-3602en_US
dc.identifier.issn0141-0296en_US
dc.identifier.urihttp://hdl.handle.net/10722/185380-
dc.description.abstractThe Rankine formula has been adopted by many natural codes for designing columns and frames at ambient temperature. The method had recently been adapted for structural fire resistance prediction by Tan and co-workers [Tang CY, Tan KH. Basis and application of a simple interaction formula for steel frames under fire conditions. J Struct Engrg ASCE 2001;127(10):1206-13; Tang CY, Tan KH, Ting SK. Basis and application of a simple interaction formula for steel columns under fire conditions. J Struct Engrg ASCE 2001;127(10): 1214-20; Tan KH, Tang CY. Interaction formula for reinforced concrete columns in fire conditions. ACI Struct J 2004;101(1):19-28; Tan KH, Tang CY. Interaction model for unprotected concrete filled steel columns under standard fire conditions. J Struct Eng 2004;130:1405-13]. The conventional Rankine method considers a linear interaction of two failure modes: plastic squashing and linear elastic buckling, ignoring the coupling interaction between the two modes. Consequently, the conventional method gives lower bounds to actual failure loads. This paper discusses the physical meanings of the Rankine approach and the effect of coupling interaction (termed "shear bond" for consistency with our earlier publications) between the collapse modes on the ultimate failure load. The purpose is to demonstrate that the Rankine method is a conservative, robust, and rational method for the structural design of columns under either ambient or elevated temperatures. The approach can be further adapted to provide more accurate failure load predictions by incorporating the shear bond effect into the Rankine formula. Material deterioration at elevated temperature and the resulting effects on the strength and stability of columns are also quantified. A computer code (SAFIR), developed at the University of Liege, was used to calibrate the modified Rankine method. © 2008 Elsevier Ltd. All rights reserved.en_US
dc.languageengen_US
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/engstructen_US
dc.relation.ispartofEngineering Structuresen_US
dc.subjectColumnen_US
dc.subjectFire Resistanceen_US
dc.subjectRankineen_US
dc.subjectReinforced Concreteen_US
dc.subjectShear Bonden_US
dc.titleThe effect of a shear bond in the Rankine method for the fire resistance of RC columnsen_US
dc.typeArticleen_US
dc.identifier.emailTang, CY: tangc@hku.hken_US
dc.identifier.authorityTang, CY=rp01765en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/j.engstruct.2008.06.006en_US
dc.identifier.scopuseid_2-s2.0-55949120128en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-55949120128&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume30en_US
dc.identifier.issue12en_US
dc.identifier.spage3595en_US
dc.identifier.epage3602en_US
dc.identifier.isiWOS:000261678200020-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridYao, Y=7403567472en_US
dc.identifier.scopusauthoridTan, KH=8597408900en_US
dc.identifier.scopusauthoridTang, CY=35489259800en_US

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