欢迎来到天天文库
浏览记录
ID:40698510
大小:1.78 MB
页数:14页
时间:2019-08-06
《Residual strength of blast damaged reinforced concrete columns》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、InternationalJournalofImpactEngineering37(2010)295–308ContentslistsavailableatScienceDirectInternationalJournalofImpactEngineeringjournalhomepage:www.elsevier.com/locate/ijimpengResidualstrengthofblastdamagedreinforcedconcretecolumnsXiaoliBao,BingLi*SchoolofCivilandEnvironmentalEngi
2、neering,NanyangTechnologicalUniversity,50NanyangAve,639798,SingaporearticleinfoabstractArticlehistory:Columnsarethekeyload-bearingelementsinframestructuresandexteriorcolumnsareprobablytheReceived1January2009mostvulnerablestructuralcomponentstoterroristattacks.Columnfailureisnormally
3、theprimarycauseReceivedinrevisedformofprogressivefailureinframestructures.Ahigh-fidelityphysics-basedcomputerprogram,LS-DYNAwas30March2009utilizedinthisstudytoprovidenumericalsimulationsofthedynamicresponsesandresidualaxialAccepted5April2009strengthofreinforcedconcretecolumnssubjecte
4、dtoshortstandoffblastconditions.ThefiniteelementAvailableonline23April2009(FE)modelisdiscussedindetailandverifiedthroughcorrelatedexperimentalstudies.Anextensiveparametricstudywascarriedoutonaseriesof12columnstoinvestigatetheeffectsoftransverseKeywords:reinforcementratio,axialloadrati
5、o,longitudinalreinforcementratio,andcolumnaspectratio.TheseReinforcedconcretecolumnBlastloadingsvariousparameterswereincorporatedintoaproposedformula,capableofestimatingtheresidualaxialNumericalsimulationcapacityratiobasedonthemid-heightdisplacementtoheightratios.Residualaxialcapaci
6、tyÓ2009ElsevierLtd.Allrightsreserved.1.Introductionexperimentalstudies.ThevalidatedFEmodelwasthenanalyzedundersimulatedblastloadsandinvestigationswerecarriedoutonColumnsarethekeyload-bearingelementsinframestructures.thedynamicresponsesandresidualaxialcapacitiesofthecolumns.Exteriorc
7、olumnsareprobablythemostvulnerablestructuralAnextensiveparametricstudywascarriedoutonaseriesof12componentstoterroristattacks.Columnfailureisnormallythecolumnstoinvestigatetheeffectofthetransversereinforcementprimarycauseofprogressivefailureinframestructures.However,ratio,long-termax
8、ialloadratio,longit
此文档下载收益归作者所有