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1、北京交通大學(xué)碩士學(xué)位論文活性粉末混凝土橋墩的地震響應(yīng)分析姓名：許麗娜申請學(xué)位級別：碩士專業(yè)：防災(zāi)減災(zāi)工程及防護(hù)工程指導(dǎo)教師：閻貴平20071201ABSlRACTABSTRACTAsanewtypeofcompositematerial．RcaetivePowderConcreteisofmoleexcellentmechanicalprop,talcsandperformancethannormalconcreteandthehigh．s呦glhconcrete；thispaperwillmainlymaketheresearchands
2、tudyOntheseismicl僦ormanccinthec鷦ethatRPCisusedinhighwaypie瑙withthin-wallhollow．BasedOntheexistingdesignmethodofchinastandardofhighwayPCbridge,andwilhutilizationofgoodmechanicalpropertiesofRPC．insteadofnormalconcrete,RPC200．isusedinhighwaypierswimthin-wallhollow,andthendyna
3、micnumericalmodelsusingANSYSaleestablished，finallytheresponsespectrumanalysisanddynamictime-historyanalysisofthestructureal*ecarriedout．Atthesametime,10seismicwavesofthreedifferentsiteswereselected；thecharaeteristicsandlaWlSofRPCpierseismicresponsewithtime-historyanalysiso
4、fearthquakeresponse黜summarizedinthispaper．Comparisonandanalysiswithnormalconcreteal'ealsocarriedout；theresultscanbereferencetoforengineeringRPCapplication．Theresultshowth虬consideringtheroleoffoundationspring,thefoundationspringwillbeinvolvedintheupperstructure,whichreducet
5、helevelofstiffiaess，thenaturalfrequencyofstructurealereduced．PierAandBc鋤meettheintensityandrigidityoftherequirementsundertheconditionoffrequentearthquake，andthestructurelrelllainstheelasticstate．nemaximumofnon-lineardisplacementduetili哆ratiomeallalongthepierdirectionappeal
6、satthebottomofthepierinthelongitudinaldirectionofthebridgeunderseismicaction．TheCUl'Veofnon-lineardisplacementductilityratiome811isaW-shapeCUI'VCinthe吣el-Sedirection,themaximummealtlofnon-lineardisplacementductilityratioalongthepierdirectionappearsatthebottomOrtopsectionof
7、thepierintl"／msyersedirection，andthesecondplastichingeprobablyappearintherangeof25～27meterssection．ThecomparisonbetweenRPCpierandnormalconcretepierfullyprovethattheRPCmaterialhavegoodseismicpa'forma．cc．KEYWORIOS：Reactivepowderconcrete；Pier；Seismicresponse；Responsespectrum；
8、Time-historyanalysisCLASSNo：學(xué)位論文版權(quán)使用授權(quán)書本學(xué)位論文作者完全了解北京交通大學(xué)有關(guān)保留、使用學(xué)位論文的規(guī)定。特授權(quán)北京交通大學(xué)可以將學(xué)位論文的全
