低周反复荷载作用下钢筋混凝土异形柱框架的滞回性能分析

342Vol.34,.220072AppliedScienceandTechnologyFeb.2007:1009-671X(2007)02-0069-041,2,3,4(1.,300251;2.,300071;3.,710089;4.,100076):,,,-;,,,.:,;.:;;;:TB302:AAnalysisofhystereticperformanceofRCframewithspecial2shapedcolumnsunderhorizontallowcyclicrepeatedloadingsTIANCheng2hao1,WANGTie2cheng2,LIUXu2hua3,SUNJin2yun4(1.TheThirdRailwaySurveyandDesignInstitute,Tianjin300251,China;2.DepartmentofBuilding,TianjinUniversity,Tianjin300072,China;3.ChineseFlightTestEstablishment,Xian710089,China;4.BeijingInstituteofStrengthEnvironmentEngineering,Beijing100076,China)Abstract:Basedonthelow2cyclerepeatedloadingtestofathree2storeyRCframewithspecial2shapedcolumns,thispaperdescribesthefailureprocedureandresultsindetail.Theload2displacementcurvesandskeletoncurvesaregiven.Thehystereticrelationsbetweenthemeasuredhorizontalloadandthetopstoreydriftareanalysed.Atlast,thispapergivesarestoringforcemodeloftheframewithspecial2shapedcolumns.Thebehaviorofthemodelsubjectedtoearthquakesoffersthebasisfortheearthquakeresistantdesignandanalysisofspecial2shapedcolumn.Keywords:special2shapedcolumn;earthquakeresistance;low2cyclerepeatedloadingtest;restoringforcemodel:2006-04-25.:(1975-),,,:,E2mail:[e-mail].[1],,,...,.-.,83.,.11.18[2].:,6,3m;8(0.20g),,2;C45;13.,8,32;463,3,86,.0.20.3.1.(a)(b)11.2,;.1.3[3],2.2-.1,.dy.2,,,3,85%,.2-,,,,,,,.,-P23,-P245.P2(6).,,(AA,),(BB,)(CC,),(DD,).20,40.07343P-34P-15P-26P2.,,[4].2.1,:1),.2),35%,,,,,.3),,;,,.,.4),S,,.,.,,,,.,,.,.5),3,,,,3,8.2%15.1%,,3.7%1811%..6),,,,,,,.7),,172,:..2.2.,7.7,2:1)85%;2).,.,,.,,7,3:,.,;,,,;,,,=uyum;uy;um;,0.490.63.,P=0.3,,;.:[1].[M].:,1989.[2],.[J].,2004,25(3):31-36.[3].[J].,1988,5(1):78-83.[4],.[M].:,1985.[:]2734