大跨徑鋼管潤土系桿拱橋的施工控制及分析研究.pdf

1、合肥工業(yè)大學(xué)碩士學(xué)位論文大跨徑鋼管潤土系桿拱橋的施工控制及分析研究姓名：李強(qiáng)申請學(xué)位級別：碩士專業(yè)：橋梁與隧道工程指導(dǎo)教師：胡成201204ABSTRACTThispaperpacketsthelarge—spanbridgeofBaohedadaoasprojectbackgroundThestructureanalysismethodofconstructioncontrolofConcreteFilledSteelTubularA

2、rchBridgewithLongSpanandthetechnologyofconstructioncontrolandsensitivityanalysisofparametersandthestabilityofconstructionprocesshadbeenresearchedThispaperfirstreviewedthedevelopmentandresearchoftheCFSTarchbridge，summariz

3、edtheconstructioncontrolsituationoftheCFSTarchbridge，introducedtheconstructiontechnologyandconstructioncontrolofBaohedadaolarge—spanbridgeandestablishedtheconstructioncontrolsystemofthisbridgewhichbasedonthestressanddefo

4、rmationandstabilityinthewholeprocessofconstructionThispaperusedtheMidas／Civilfiniteelementsoftwaretomodel，andcalculatedandanalyzedthestressanddeformationinthewholeprocessofconstructionandgraspedtheeffect；Theeffectofvario

5、usconstructionerrorstothebridgeisdiscussed，andthemethodofparametersensitivityanalysisisintroducedThispapertookthemainbeamdeformationandstress，theribdeformationandstressandthesuspenderforceasthecontrolobjective，andanalyze

6、dthesensitivityofthesuspendertension，thematerialbulkweight，theelasticmodulus，temperatureandtheconstructionloadThispaperalsousedtheinterpolationmethodtocalculatethesensitivityandidentifythemainparameterandthesecondarypara

7、meterThebridge’SstabilityindifferentconstructionprocesshavebeenanalyzedStudieshaveshownthatthebridgehaveabigstabilityfactorandbucklesmainlyintheoutplanedirection，SOtheinstabilitycontrolmainlyintheout—planedirectionFinall

8、yThetechniquesandmethodsoftheconstructioncontrolhasbeendescribedAndcontrastedthemonitoringresultstofiniteelementresults，studieshaveshownthatthemonitoringprogramisviable，provideareferenceforthesametypeofbridge’Sconstructi