公路桥梁桥墩延性性能初步研究

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1、重庆交通大学硕士学位论文公路桥梁桥墩延性性能初步研究姓名：周勇申请学位级别：硕士专业：桥梁与隧道工程指导教师：张力;唐光武20060414ABSTRACTWiththepromotionofcognitionongroundmotionanddynamiccharacteristicofstructure，peopledevelopedmanyanti—seistoicdesigntheories．Accordingtothedifferentdesignparameters，anti—seismicdesignmethodseallbeclassifiedintotwodesignmeth

2、ods，designmethodbasedonstrengthanddesignmethodbasedondisplacement．ThedevelopmentofseismicdesigntheoryforductilityofstructureiSabout50yearsfromthebeginninguntilnow．Butuptothepresent，intheaspectsofdesigntheoriesforductilityofstructure、designmethodsforductilityofstructureandtheapplyingofpractice，still

3、existproblemsthatsomehavenoverygoodsolution：especiallyinourcountry，thestudyiSweakerandalotofproblemsneedsfurtherresearching．InthiSthesis，seismictheoriesandmethodsof10calandforeigncountryaresummarizedandanalysised，problemsofRCpierductibilitythatinfluencedandanti—seismicconstructivemeasuresadoptedbyo

4、urcountryarestudied。andelementarilyestimatetheanti-seismicductibilityofbridgesreferencingthe《SpecificationsofEarthquakeResistantDesignforHighwayEngineering})(JTJ004—89)inourcountry．Detailsinthisthesisareasfollows：1．Tomakeabriefintroductiononevolvementoftheanti—seismicanalysismethodsandanti—seismicd

5、esignmethods：especiallyexpatlateontheoriginality，basicconceptionsandprinciplesofanti—seismicductibilitydesignideas．2．TostudytheductibilityofRCpierfromtheoryandtest，andanalyzetheinfluencefactorOntheductibilityofpierwithaxialcompressionratio，volumehooprationandlongitudinalreinforcementratio，andcompar

6、etheregulationsamongthe《SpecificationsofEarthquakeResistantDesignforHighwayEngineering》、《AmericanAssociationofStateHighwayandTransportationOfficials)>and{CaliforniaDepartmentofTransportation}}，andcheckingcomputationsbasedonthestrengthanddisplacementofanti——seismicandanti——shearwillbeestablishedonth

7、epierofasimplysupportedgirderbridge．Ⅱ3．Toinvestigate28bridgesinYunnanandmakethestatisticsofparametersindetail，meanwhile。constructivemeasuresofasimplesupportedgirderbridgewillbeinspectedas龇lexample．4．Toproce