3/22/2015 RoleofSpandrelBeamsonResponseofSlabBeamColumnConnections:JournalofStructuralEngineering:(ASCE)

http://ascelibrary.org/doi/abs/10.1061/(ASCE)07339445(1995)121:3(408) 1/2

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Home>JournalofStructuralEngineering>Volume121,Issue3(March1995)>10.1061/(ASCE)07339445(1995)121:3(408)

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DiFranco,M.,Mitchell,D.,andPaultre,P.(1995).RoleofSpandrelBeamsonResponseofSlabBeamColumnConnections.J.Struct.Eng.,121(3),408419.

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RoleofSpandrelBeamsonResponseofSlabBeamColumnConnectionsArticleHistory

Published:01March1995

PublicationData

ISSN(print):07339445ISSN(online):1943541XPublisher:AmericanSocietyofCivilEngineersMarcoA.DiFranco

1Grad.Res.Asst.,Dept.ofCiv.Engrg.andAppl.Mech.,McGillUniv.,817SherbrookeSt.W.,Montreal,Canada,H3A2K6.

DenisMitchell,Member,ASCE

2Prof.,Dept.ofCiv.Engrg.andAppl.Mech.,McGillUniv.,817SherbrookeSt.W.,Montreal,Canada,H3A2K6.

PatrickPaultre,Member,ASCE

3Prof.,Dept.ofCiv.Engrg.,Univ.ofSherbrooke,Sherbrooke,Canada,J1K2R1.

Fullscaleexteriorbeamcolumnslabsubassemblagesweretestedunderreversedcyclicloadingtoinvestigatetheroleofthespandrelbeamintheoverallresponse.Resultsfromspecimenshavingdifferentspandrelbeamsizesanddifferentamountsoftorsionalreinforcementinthespandrelbeamsprovidedabetterunderstanding

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3/22/2015 RoleofSpandrelBeamsonResponseofSlabBeamColumnConnections:JournalofStructuralEngineering:(ASCE)

http://ascelibrary.org/doi/abs/10.1061/(ASCE)07339445(1995)121:3(408) 2/2

PurchaseReprintsoftheirbehavior.Detailedstrainmeasurementstogetherwiththecrackpatternsindicatethattheeffectivewidthoftheslabcontributingtothenegativebendingofthemainbeamisaffectedbythetorsionalyieldingofthespandrelbeam.However,afterthisyielding,adifferentforcemechanism,involvingconcretecompressivestrutsandtensiontiesintheslabandspandrelbeambars,providesmeansoftransferringadditionalforcesfromtheslabbarstothejointregion.Itisimportanttoconsidertheeffectoftheseforces,sincetheyincreasethenegativemomentcapacityofthebeams,and,hence,theymayaffectthehierarchyofyieldingbetweenthecolumnsandthebeams.Designproposals,accountingfortheflowofforcesthroughthespandrelbeam,arepresentedandillustratedbyanumberofexamples.

Permalink:http://dx.doi.org/10.1061/(ASCE)07339445(1995)121:3(408)

Citedby

Ning,N.,Qu,W.,andZhu,P.(2014)."RoleofcastinsituslabsinRCframesunderlowfrequencycyclicload."EngineeringStructures,10.1016/j.engstruct.2013.09.050,2838.Onlinepublicationdate:1Feb2014.CrossRefBenaventCliment,A.,Cahs,X.,andZahran,R.(2009)."ExteriorwidebeamcolumnconnectionsinexistingRCframessubjectedtolateralearthquakeloads."EngineeringStructures,10.1016/j.engstruct.2009.02.008,14141424.Onlinepublicationdate:1Jul2009.CrossRefMousseau,S.andPaultre,P.(2008)."Seismicperformanceofafullscale,reinforcedhighperformanceconcretebuilding.PartI:Experimentalstudy."CanadianJournalofCivilEngineering,10.1139/L08017,832848.Onlinepublicationdate:1Aug2008.CrossRefCopyright1995AmericanSocietyofCivilEngineers

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