Abstract
The recentlargeinterestinnonlinearseismicanalysismethods,staticanddynamic,hasrequiredproperstrategiesofmodelingbasedonreliable,andatthesametimeeasytouse,constitutivelawsforthestructural elements.Regardingthebehaviorofframedstructures,specialattentionhastobedevotedtoinfills becauseofthekeyroletheyplayinmodifyingoverallstiffness,strengthandductilityunderseismic excitation.Pointingouttheattentiononthistopicthepaperdiscussesacriteriaformodelingthestructural behaviorofinfills basedonamacromodelingapproach,thatistosayonthesubstitutionofinfills withdiagonalpinjointedstruts.Ishereshownhowmultilinearplasticlinkelementsgovernedby ahystereticPivotmodel,availableindifferentFEMcodes,canbeappropriatelyusedtomodeltheequivalentstrutstoperformlinearornonlinearanalyses.Inordertoenlargeexperimentalknowledgeoncyclicbehaviorofinfilled framesstructuresandasreferencefordevelopingtheabovementionedmodelingstrategy,anexperimentalcampaignonsingle-storey,single-bay,fullyinfilledframeswithdifferentkindsofmasonryandsubjectedtolateralcyclicalloads,wascarriedout,andsomeothersavailableintheliteraturearereferredto.ValidationofPivotmodeling approachwascarriedoutcomparingexperimentalresultsandcomputersimulationsoftheexperimentaltests.InthepaperhysteresisparametersvaluescalibratingPivotlawarealsogivenforinvolvedmasonryinfills typologiesandsomeproposalsforcorrelationbetweenstrengthandstiffnessofinfilledframesandofmasonryinfillsareprovidedasatoolforthequickcalibrationofthePivotmodelinpracticalapplications.
Lingua originale | English |
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pagine (da-a) | 224-242 |
Numero di pagine | 19 |
Rivista | Soil Dynamics and Earthquake Engineering |
Volume | 65 |
Stato di pubblicazione | Published - 2014 |
All Science Journal Classification (ASJC) codes
- ???subjectarea.asjc.2200.2205???
- ???subjectarea.asjc.1900.1909???
- ???subjectarea.asjc.1100.1111???