京滬高速鐵路96m下承式鋼箱系桿拱橋模型試驗研究.pdf

1、中南大學碩士學位論文高滬高速鐵路96m下承式鋼箱系桿拱橋模型試驗研究姓名：尹雪倩申請學位級別：碩士專業(yè)：土木工程指導教師：郭向榮201105中南大學碩士學位論文ABSTRUCTABSTRACTSteelboxthroughtiedarchbridgepossessesmanyspecialcharacteristics，suchaslowconstructionheight，economicandfineoutlook，excellen

2、tcrossovercapabilityandSOonBecauseofthelackofvariousspecificationsandotherdocuments，anumberofproblemsofthestructuresystem，designandconstructionofsteelboxthroughtied—archbridgeremaintobesolvedAndthereislessapplicationonhi

3、gh—speedrailwaysTakingBeijingshanghaihighspeedrailwaysteelboxthroughtied—archbridgebridgeastheprojectbackground，thispaperestablishesthespaceanalysismodelofthebridgetosimulatethestaticcharacteristicsanalysisofwholebridgeB

4、asedontheintegralanalysis，thescalemodelhasbeendesignedandthemodelexperimenthasbeendoneThetestresultsisusefultotheanalysisofthebridgeTheworksfinishedinthepaperareasfollows：1Thespatialanalysismodelofentirebridgestructureis

5、setupthroughlarge—scalefiniteelementsoftwareinthispaper，basedonthemodel，simulatedcalculationandanalysisofmechanicalcharacteristicsofwholebridgeunderdifferenttestingloadworkingconditionarefinished；2Thel：6scalemodelofthebr

6、idgeisdesignedandmadebasedontheconformityprinciple，andloadingschemeandtestingcontentsarestudiedaswell；3Afterloadingtestsonmodelunderninedifferentoperatingconditions，thevaluesofexperimentshavebeengained，andtheexperimental

7、resultsagreewellwiththeFEAresultsTheresultsshowthat：overallstresslevelofstructureisnothigh，structureisdesignedrationallyandCanbearloadwellandsafelyReplacingwireslingcanbedonewhenbridgeopenstotraffic；4Basedonthecomparison