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1、河北工業(yè)大學(xué)碩士學(xué)位論文Y型墩連續(xù)剛構(gòu)橋設(shè)計(jì)與施工新技術(shù)研究姓名：郭友申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：建筑與土木工程指導(dǎo)教師：周建賓；趙翔柱201010Y型墩連續(xù)剛構(gòu)橋設(shè)計(jì)與施工新技術(shù)研究iiDESIGNNEWCONSTRUCTIONTECHNIQUESTUDYOFPRESTRESSEDCONTINUOUSRIGIDFRAMEBRIDGEWITHYPIERABSTRACTTheContinuousRigidFrameBridgehasachie

2、vedgreatdevelopmentfromscratchinnearlyahundredyears.Itwas70’swhenPrestressedconcretecontinuousrigidframebridgefirsttobeusedinbridgeprojectinChinascities.WiththerapiddevelopmentofhighwayChinaRoadBridgegetalotofleapslongsp

3、anbridgeespeciallyprestressedconcretecontinuousrigidframebridgehasbecomethemaintypeofbridge.RigidFrameBridgewithYPierisonetypeofPrestressedContinuousRigidFrameBridgewhat’sdifferentfromnmalPrestressedContinuousRigidFrameB

4、ridgemultispanbridgeRigidFrameBridgeisthatit’smadeofaYtypepier.Ithasthesamemechanicalpropertiesadvantageswiththesestructures.ComparedwiththeContinuousBeamBridgeindesignRigidFrameBridgewithVPierhasalongerspancanfurtherred

5、ucethepeakmomentadditionallyitcanreducetheheightofthebeam.ComparedwiththeContinuousRigidFrameBridgeithasasmallerbendingmomentatthedleofthespanpivothasabeautifulappearancewithmecompactstructure.WhenthepierofRigidFrameBrid

6、gewithVPierishigheraverticalpiercanbeconnectedfollowingtheVpierlegswhichfmingYtyperigidframetheyhavethesamewkingbehavi.ComparingwithRigidFrameBridgewithVPierthesecondarystressoftheRigidFrameBridgewithYPierwhichiginatedfr

7、omtemperatureconcreteshrinkagecreepsettlementotherfactsislargerbutthestructurecandecreasetwodeckexpansionjointshasnoneedofhangingconstructionplantwhichgetaresultofimprovingridecomftreducingtheconstructiondifficulty.Based

8、onthecurrentresearchproblemscombinedwiththeengineeringofInnerMongoliaErdosAvenueBridgeinErdosCityatypicalthreespanprestressedconcretecontinuousrigidframebridgewithYpierthispaperusedthemethodofShellelementanalysistogetade

9、tailedspatialanalysisbythespatialanalysisprogramASCivilthepaperfocusedonthespatialstaticdynamicbehaviofthistypeofbridgeunderdifferentloadtypesexpledthedifferencesbetweenpredictedvaluebygeneraltheeticaltheactualspatialeff

10、ectcrelationalexperimentalstudieshasbeendonedurlingtheresearchperiod.FinallythepapergotmedetailedillustrationabouttheonstructiontechnologyofRigidFrameBridgewithYPieritgaveafullexpositionofthewholeconstructionprocessconst

11、ructionproceduresconstructionpointsnotescombinedwiththelocalgeologicalfeaturesthestudiescanprovideareferencefsimilarprojects.KEYWDS:PrestressedContinuousRigidFrameRigidFrameBridgewithVPierShellelementanalysisSoilmodulusm

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