Combin39单元在建筑结构中的应用ANSYS

2004ANYSYCombin39200092[]ANSYSCombin39Combin39[]Combin39ApplicationofCombin39ElementinBuildingStructuresWangJing-feng,HuXiao-lun,Qubing,LiuQingpingTongjiUniversityShanghai200092,China[Abstract]InANSYSsoft,combin39isaunidirectionalelementwithnonlinearspringelementwithtwonodes.Theusercanmodifytheelementparametersandmakeithavinglongitudinalortorsioncapabilityinone,two,orthreedimensionalapplications.Thiselementisappliedtosimulatenonlinearbond-sliprelationshipbetweenanchorbarandconcreteandcontactbetweenendplateandconcrete.Usingitstorsioncapability,theeffectofsemi-rigidconnectiononthebehaviorofcompositeframeisstudied.Alsoitcanbeusedtosolvetheproblemofbond-slipincompositebeam.Soitisappliedextensivelyinthenonlinearanalysisofbuildingstructures.Inthispaper,therearetwocasestoillustratetheelementcharacterandhowtoapplytheelementinbuildingstructures.Thiswillhelpdesignersandresearcherstoknowandmasterit.[Keyword]combin39element;buildingstructures;nonlinearanalysis12004ANYSY1ANSYSCombin39Combin39[1][2]2Combin39[3]Combin39xyzxyz11COMBIN3933.1222004ANYSYE.HognestadWillam-Warnke1975[1]Pipe20Solid45Solid650.50.8Combin39123tβcβ1990[4]()()xxφψτ(1)()−−−=22a45135.145135.1alxlxxψ<<<