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1、西南交通大學(xué)碩士學(xué)位論文桁架加勁梁懸索橋懸臂架設(shè)過程分析及穩(wěn)定性研究姓名：門永斌申請學(xué)位級別：碩士專業(yè)：橋梁與隧道工程指導(dǎo)教師：沈銳利20080601西南交通大學(xué)碩士研究生學(xué)位論文第1I頁AbstractFirstofa11．thisthesisintroducesthedifferentconstructionprocessesandstabilityproblemsduringconstructionofsuspensionbridgestiffeningbeamsbriefly,thenrecallsthedomesticandoversea
2、sactualityaboutstabilitystudywhenthesuspensionbridgeandcable—stayedbridgestiffeningbeamsareconstructing．Therefore，theresearchcontentiSasfellows：trussstiffeningsuspensionbridgecantilevererectionandstabilitystudy．ThethesisinstancestheconstructingBalingRiverBridge．presentstheenti
3、resimulationcalculationmethodswhenadeckloopwheelmachineiSadoptedduringstiffeningbeamscantileverinstallationconstructionprocess，establishesthefull—bridgemodelofspacenonlinearanalysisduringconstructing，researchestheimpactonstructureconstructioninternalforcesofdeckloadsinstalledi
4、nbatchesandboundaryconditionsonbeamduringstiffeningbeamsinstallationphase．researchestheimpactonstructureandconstructionofhingeseffect，thenumberandlocationofhingesduringstiffeningbeamsinstallationphase．Thethesispresentsthetrusselasticstabilityanalysisfull．bridgemodelwhendeckloo
5、pwheelmachineiSadoptedduringstiffeningbeamcantileverinstallationconstructionprocess，calculatesandstudiesstructureelasticstabilitywhenadeckloopwheelmachineiSadoptedduringstiffeningbeamcantileverinstallationconstructionprocess．researchestheimpactonstructureelasticstabilityofdeck
6、loadsinstalledinbatchesandboundaryconditionsonbeamduringstiffeningbeamsinstallationphase．researchestheimpactonstructureelasticstabilityofinstallingtemporaryhingesduringstiffeningbeamsinstallationphase．Finallythethesiscomparestheelasticstabilitycalculationresultsduringcantileve
7、rerectionwhenthetrussstiffeningbeamsuspensionbridgesegmentsarewhollyrigidconnectionandrigidity—hingeconnection，selectsafewdisadvantageousworkconditionstostudytheultimatebearingcapacitywhengeometricandmaterialdoublenon．1inearityareconsidered．showstheruleofstructureultimatedamag
8、ewhentrussstiffeningbeamsuspensionbridgesareerectedusingcanti
