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

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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