CINECA IRIS Institutional Research Information System
IRIS è la soluzione IT che facilita la raccolta e la gestione dei dati relativi alle attività e ai prodotti della ricerca. Fornisce a ricercatori, amministratori e valutatori gli strumenti per monitorare i risultati della ricerca, aumentarne la visibilità e allocare in modo efficace le risorse disponibili.
EnglishThesteelConcentricBracedFrame(CBF)isapopularstructuraltypeforbuildingsinseismicareas.Infact,itcanconvenientlyprovidethebuildingwithlargestrengthandstiffness.Furthermore,thesimplicityoffabricationthatderivesfromtheuseofshearconnectionsbetweenbeamsandcolumnsappealstostructuraldesigners.Unfortunately,thedissipationcapacityofsteelbracesislimitedandthestructuraltypeislowredundantandthuspronetostoreycollapsemechanisms.ToimprovetheseismicperformanceoftheCBFdouble-stageBRBs(DYBs)couldbeusedinsteadofconventionalsteelbraces.TheDYBexhibitshighdissipativeandstablecyclicresponseand,ifinsertedintoasteelframe,promotethespreadofdamageowingtotheshapeofitshysteresisloop.Despiteitsqualities,inliteraturetherearenodesignmethodsthatallowitsuse.Hence,inthispaper,adesignmethodforsteelframeswithDYBsisformulatedincompliancewiththeprinciplesoftheEuropeanseismiccode.ThebehaviourfactorqiscalibratedtomeettheperformanceobjectivesofEurocode8.Theca-librationisperformedbynonlineardynamicanalysisconductedwithOpenSeeson75frameswithdifferentfeatures.ThenumericalmodeliscalibratedontheresultsoftheexperimentaltestsperformedbyPanandhisco-workersatTsinghuaUniversityinBeijing(China).ThededucedresultsconfirmtheeffectivenessoftheframewithDYBs,whichcanbedesignedwithqvaluesgreaterthanthoseusedfortraditionalsteelbracedframes
| Titolo: | Achieving a more effective concentric braced frame by the double-stage yield BRB |
| Autori interni: | |
| Data di pubblicazione: | 2019 |
| Rivista: | |
| Handle: | http://hdl.handle.net/20.500.11769/362105 |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
File in questo prodotto:
Copyright © 2021