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《梁端加盖板节点域箱形加强式工字形柱弱轴连接边框架节点滞回性能的有限元分析-(5940)》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。
1、AbstractAsanewconnectionform,boxstrengthen-jointregionofbeam-columnconnectionhasshowngreatmechanicalproperties.Inordertofurtherexploreitsmechanicalpropertiesundercyclicloading,thepapercarriedontheABAQUSfiniteelementsimulationofsideframejointsunderlowc
2、yclicloading.Thispaperfocusesonthestandardjointandcover-platereinforcedjoint,byvaryingtheparametersofaseriesoffiniteelementanalysisanddataprocessing,andstudiedthefailuremechanismandkeymemberofthenodes,theconnectionseamstressdistributioncurve,stiffness
3、classification,stiffnessandductilityofmatchingandotherissues,atthesametime,thispaperalsomadeimprovementaimingattheshortcomingofthecover-platereinforcedjoint.Theconclusionsareasfollows:1.Standardjointandcover-platereinforcedjointcanreachthecharacterist
4、icsofstrongdomain,andbothweresemi-rigidconnectioninswayframeswhilerigidityconnectioninlateralframe.StressbeamflangeweldsconnectingalongthebeamwidthdirectionshowedanegativeVDistribution.Cover-platecancontrolplastichingeawayfromthedominarea,andcansignif
5、icantlyimprovetheinitialrotationalstiffnessandbearingcapacityofthenode.Incontrast,thecover-platereinforcedjointstiffnessandductilitymatchbetter.2.Underhighaxialcompressionratio,thecolumnflangemayearlybuckling,andpresentedthetendencyof"strongbeam-weakc
6、olumn",andtheseismicperformanceofjointswouldbegreatlydegradation.Axialcompressionratioshouldbecontrolledwithin0.6;3.Comparedtoheight,thicknessofskinplatehasamoredirectandsignificantimpactonthemechanicalpropertiesofjoint,andshouldensurethattheminimumth
7、icknessoftheskinplatetoensurethatthejointhasmatchinggoodstiffnessandductility;4.Thelengthandthicknessofcover-platehaveobviousimpactontheseismicperformanceofjoint,toolargeortoosmallwouldreduceseismicbehavior.Whenthelengthandthicknessofcover-platewereta
8、kenat0.5timesthebeamflangesectionheightandthickness,jointhasbothgreatstiffnessandductility;5.Thelargersectionofthebeamwouldincreasethecapacity,andlargersectionofcolumnwouldincreasetherotationalstiffness.Inordertoensurethebettermatchofrigiditya
