竖向荷载作用下钢筋混凝土斜柱—薄壁柱局部转(2)
发布时间:2021-06-06
发布时间:2021-06-06
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,themethodofunequalstressbasedonhypothesisofrigidangleisadoptedtocalculatecapabilityofthewallandtransferbeam.ItisalsosuggestedthatIIIThethejointtransfertransfermuchcolumn—wallpaper,thetrussmethodjoint
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