The recentlargeinterestinnonlinearseismicanalysismethods,staticanddynamic,hasrequiredproper strategiesofmodelingbasedonreliable,andatthesametimeeasytouse,constitutivelawsforthe structural elements.Regardingthebehaviorofframedstructures,specialattentionhastobedevotedto infills becauseofthekeyroletheyplayinmodifyingoverallstiffness,strengthandductilityunder seismic excitation.Pointingouttheattentiononthistopicthepaperdiscussesacriteriaformodelingthe structural behaviorofinfills basedonamacromodelingapproach,thatistosayonthesubstitutionof infills withdiagonalpinjointedstruts.Ishereshownhowmultilinearplasticlinkelementsgoverned by ahystereticPivotmodel,availableindifferentFEMcodes,canbeappropriatelyusedtomodelthe equivalentstrutstoperformlinearornonlinearanalyses.Inordertoenlargeexperimentalknowledgeon cyclicbehaviorofinfilled framesstructuresandasreferencefordevelopingtheabovementioned modelingstrategy,anexperimentalcampaignonsingle-storey,single-bay,fullyinfilledframeswithdifferent kindsofmasonryandsubjectedtolateralcyclicalloads,wascarriedout,andsomeothersavailableinthe literaturearereferredto.ValidationofPivotmodeling approachwascarriedoutcomparingexperimental resultsandcomputersimulationsoftheexperimentaltests.Inthepaperhysteresisparametersvalues calibratingPivotlawarealsogivenforinvolvedmasonryinfills typologiesandsomeproposalsforcorrelation betweenstrengthandstiffnessofinfilledframesandofmasonryinfillsareprovidedasatoolforthequick calibrationofthePivotmodelinpracticalapplications.

CAVALERI, L., DI TRAPANI, F. (2014). Cyclic response of masonry infilled RC frames: Experimental results and simplified modeling. SOIL DYNAMICS AND EARTHQUAKE ENGINEERING, 65, 224-242 [10.1016/j.soildyn.2014.06.016].

Cyclic response of masonry infilled RC frames: Experimental results and simplified modeling

CAVALERI, Liborio;DI TRAPANI, Fabio
2014-01-01

Abstract

The recentlargeinterestinnonlinearseismicanalysismethods,staticanddynamic,hasrequiredproper strategiesofmodelingbasedonreliable,andatthesametimeeasytouse,constitutivelawsforthe structural elements.Regardingthebehaviorofframedstructures,specialattentionhastobedevotedto infills becauseofthekeyroletheyplayinmodifyingoverallstiffness,strengthandductilityunder seismic excitation.Pointingouttheattentiononthistopicthepaperdiscussesacriteriaformodelingthe structural behaviorofinfills basedonamacromodelingapproach,thatistosayonthesubstitutionof infills withdiagonalpinjointedstruts.Ishereshownhowmultilinearplasticlinkelementsgoverned by ahystereticPivotmodel,availableindifferentFEMcodes,canbeappropriatelyusedtomodelthe equivalentstrutstoperformlinearornonlinearanalyses.Inordertoenlargeexperimentalknowledgeon cyclicbehaviorofinfilled framesstructuresandasreferencefordevelopingtheabovementioned modelingstrategy,anexperimentalcampaignonsingle-storey,single-bay,fullyinfilledframeswithdifferent kindsofmasonryandsubjectedtolateralcyclicalloads,wascarriedout,andsomeothersavailableinthe literaturearereferredto.ValidationofPivotmodeling approachwascarriedoutcomparingexperimental resultsandcomputersimulationsoftheexperimentaltests.Inthepaperhysteresisparametersvalues calibratingPivotlawarealsogivenforinvolvedmasonryinfills typologiesandsomeproposalsforcorrelation betweenstrengthandstiffnessofinfilledframesandofmasonryinfillsareprovidedasatoolforthequick calibrationofthePivotmodelinpracticalapplications.
Settore ICAR/09 - Tecnica Delle Costruzioni
CAVALERI, L., DI TRAPANI, F. (2014). Cyclic response of masonry infilled RC frames: Experimental results and simplified modeling. SOIL DYNAMICS AND EARTHQUAKE ENGINEERING, 65, 224-242 [10.1016/j.soildyn.2014.06.016].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10447/101291
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