竖向荷载作用下钢筋混凝土斜柱—薄壁柱局部转(2)
时间:2025-03-09
时间:2025-03-09
英文摘要
ABSTRACT
AccordingtotestresultsoftwospecimensoflocaltransferRCjointfrominclinedcolumntoBeeline-shapedwallunderverticalstaticloadsandresultsofcorrespondingfiniteelementanalysis(ANSYS),fundamentalbehaviorsofthejointareachieved,whichincludepathsofverticalloadtransferbeforeandaftercracking,stressdistributions,occurrenceanddevelopmentofcracksandfinalfailuremodeofthejoint.Inthetest,thestressdistributionsofwallwhichisuponthetransferbeamandsquarecolumnandtheverticalstressdistributionsoftransferbeamandinclinedcolumnarespeciallystudied.
resultindicatethatthereismuchdifferencebetweenthehollowinclinedcolumn—walltransferR.Cjointandthesolidinclinedcolumn-walltransferR.Cjointon
mechanismof10adtransfer.Asfarashehollowinclinedcolumn-walltrallsferR.Cisconcemed,thestressstateoftransferbeamisverycritical,becauseitbearsnotonlytheverticalloadtransferredfromthewall,butalsotheaxialloadinitiatedbytheinclinedcolumn.Theinclinedcolumn’Sfailureduetoacomplexstressslateresultedinadramaticstressredistributionaswellasalocalcompressingfailureinthewall,inwhichitscapabilitywasnotfullyused.Themechanicalbehaviorsofthejointfollowedobviouslythecharacteristicoftrussmodel,Asfarasthesolidinclinedcolumn—wall
R.Cjointisconcemed,theinclinedcolumnwithabiggerangle、transferbeamandsquarecolumnworkasawhole,andtheloadtransfermechanismissimilartothe
beam.ThestressstateintheWalliSmuchmoreeven.sotheeffectoftransferiSbetterthanthatofthehollowinclinedcolumn—walltransferR.Cjoint.
Accordingtotheresultsoftheexperimentandfiniteelementanalysis,thepaperdiscussedthedesignmethodofthetwotypesofR.Cjoint.Asfarasthehollowinclined
transferR.Cjointisconcerned,thepaperintroducedthetrussmodelto
calculatetheinternalforcesoftransferbeam,inclinedcolumnandsquarecolumn.Inthe
methodofequivalentstressisadoptedtoconfirmtheoutsideforceofthe
model,andthefactoroftheangleofinclinedcolumnisconsidered.Adesignofthewallwassuggested.Asfarasthesolidinclinedcolumn—walltransferR.Cisconcerned,themethodofunequalstressbasedonhypothesisofrigi …… 此处隐藏:140字,全部文档内容请下载后查看。喜欢就下载吧 ……
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