第39卷第1期2023年2月结构工程师StructuralEngineersVol.39,No.1Feb.2023帕德玛大桥摩擦摆隔震支座型式试验及性能分析李歆1,*赵斌1徐奇2何巍2彭胜利2(1.同济大学土木工程防灾国家重点实验室,上海200092;2.中船双瑞(洛阳)特种装备股份有限公司武汉分公司,武汉430084)摘要摩擦摆隔震支座具有广泛应用前景。孟加拉国帕德玛桥梁工程为“一带一路”重要交通工程,采用了摩擦摆隔震支座,以保障桥梁安全。本文首先介绍了试验采用的大吨位多功能试验机及其主要技术参数,其次采用欧洲EN15129:2009标准规定对帕德玛大桥采用的两种摩擦摆隔震支座进行了型式试验和性能评估分析。结果表明:摩擦摆隔震支座的滞回曲线饱满,耗能效果良好,具有稳定的力学性能及较好的隔震性能,满足设计要求。试验结果为该隔震支座的实际工程应用提供了试验验证,确保了该工程的抗震安全性。关键词大吨位多功能试验机,摩擦摆隔震支座,型式试验,性能评估TypeTestandPerformanceAnalysisofFrictionPendulumIsolatedBearingforPadamaBridgeLIXin1,*ZHAOBin1XUQi2HEWei2PENGShengli2(1.StateKeyLaboratoryofDisasterReductioninCivilEngineering,TongjiUniversity,Shanghai200092,China;2.CSSCSunrui(Luoyang)SpecialEquipmentCo.,Ltd.,WuhanBranch,Wuhan430084,China)AbstractFrictionpendulumisolationbearingshaveextensiveapplicationprospects.ThePadamaBridgeisanimportanttransportationprojectof“theBeltandRoadInitiative”.FrictionpendulumisolationbearingsareadoptedtothePadamaBridgetoensurethesafetyofthebridge.First,themainperformancesparametersdomesticallydevelopedlarge-scalemultipurposetestingmachineusedinthistestwereintroduced.Secondly,typetestsaccordingtoEuropeanEN15129:2009Standardandperformanceevaluationanalysisofthefrictionpendulumisolationbearingwereconducted.Theresultsshowthatthehysteresiscurvesofthefrictionpendulumisolationbearingaresatisfactory,withgoodenergydissipationeffect,stablemechanicalpropertiesandexcellentseismicisolationperformance,whichmeetthedesignrequirements.Thetestresultsprovidetestverificationforthepracticalapplicationofthistypeoffrictionpendulumisolationbearingandfacilitatethedemonstrationprojectapplication.Keywordslarge-scalemultipurpos...