傳遞矩陣法在鋼橋結(jié)構(gòu)分析中的應(yīng)用研究.pdf

1、河海大學(xué)碩士學(xué)位論文傳遞矩陣法在鋼橋結(jié)構(gòu)分析中的應(yīng)用研究姓名：張杰申請學(xué)位級別：碩士專業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：吉伯海20050401AbstractTransfermatrixmethod，astructuralanalysismethodlyingbetweenforcemethodanddisplacementmethod，Callbeappliedtosmacawalstatic，dynamicandstabilityanalysi

2、sthroughthemultiplicationofmatrixesbycomputerbasedonprecisesolutionofthecontroldifferentialequationsofstructurenlismethod誦madvantagesofclearmechanicalconceptionandhighcalculationprecisionCallbeconvenientlyprogrammedStati

3、cstructuralanalysisofsteelbridgeswiththismethodispmposedinthispaperTakingContinuousbeamMdge，circulararcbridge，skewboxgirderbri衄eandcable—stayedbridgeasstudysamples，thismethodisemployedtosolveinternalforcesanddisplacement

4、ofthefourcategoriesofbridgesrespectivelyBasicconceptions，expressionsandcalculationprincipleconcernedareintroducedbytakingtheanalysisofanindeterminatebeamwimsinglespanasanexampleandthefeasibilityofthismethodappliedinstati

5、canalysisofmemberstructureiSdemonstratedConsideringthemechaniccharacteristicsofthefourtypesofsteelbridges，detailedformulaeoffieldtransfermaWixandpointmatrixofeachbridgearederivedrespectivelyAccordingtodifferentboundaryco

6、nditions，theboun血yconditionalandcompatibleexpressionsCanbeobtainedandthesolutionofeachbridgeiscarriedoutbyrecurrencecalculationCalculationexamplesshowthattheresultsobtainedbythismethodagreewiththoseobtainedbymarxdisplace

7、mentmethodT0makethecalculationmodelmoreactual，thefactorsofarbitraryload，arbitrarysupportandvailablecrosssectionhavebeenconsidered、^，i也thismethodtherestricti0135incalculmingcontinuousbeamCallbeovercomeaswellIntheanalysiso

8、fsteelcirculararCbridge，theestablishmentoffieldtransfermatrixiSbasedontheprecisesolutionofdi位rentialequationsofciteulararCelementwhichmakesthecalculationreSultsmoreprecisethanthatwi山matrixdisplacementmethodWhat’Smore，cir

9、culararcbridgewithvailablecrosssectioncanbesolvedtOOAsfortheestablishmentofthecalculationmodelofsteelskewboxgirderbridgeskeWboxbridge、vitharbiWaryplanarshapeunderarbitraryloadistakeninto柚1consideration，whichconfolmstothe

10、calculationofskewboxbridgeswi血vailableCROSSsectionaswell。Theanalysisofcable—stayedbridgeisbasedontheplanarmechanicalmodelofcablestayedbridgebeingtransformedintocontinuousbe鋤ontheelasticsupponsAsaresllltthesolutiontovarie

11、tiesofcable—stayedbridgewitharbitraryspanandsupportCanbeaccomplishedTheimplementationoftransferma在ixmethodOnstaticstructuralanalysisofsteelbridgesprovidesaconvenientcalculationmethod、vi也hi曲precisionforlargescalebridges’p