隧道襯砌模板臺車的結(jié)構(gòu)分析.pdf

1、隧道襯砌模板臺車的結(jié)構(gòu)分析StructureAnalysisofModelBoardTrolleyforTunnelConstruction(申。青石家莊鐵道學(xué)院授予：【學(xué)碩士學(xué)位論文)培養(yǎng)單研究指導(dǎo)教位：機(jī)械工程分院業(yè)：載運(yùn)工具運(yùn)用工程生：賀振通師：賈糧棉教授二oo六年十二月AbstractAbstractModelboardtrolleyisanon—standardlargemechanicalequipmentfortunnel

2、construction，itsmainframeisaplateandbeamelementconstructedsteelstructureItiswidelyusedinthecivilengineeringforrailwayhighwayhydraulicfacilityandhydroelectricengineeringconstructionThetraditionaldesignmethodofthetrolleyba

3、sedonsolidmechanicscalculationiSnotveryrationalbecauseitisverydimculttoaccuratelycalculatethestressanddeformationInthispaperthediscreteFEMmodelofthewholetrolleyisestablishedfirstlyThenthedetailedstressanddeformationdistr

4、ibutionofthewholetrolleyanditskeycomponentsunderdifferentoperationalstaticloadsareobtainedaccordingtoFEManalysiscalculationIntheend，thestructuralstabilityofthetemplatetrolleyisanalyzedandoperatingmodeisdividedThedistorti

5、onandthestressanalysisofthetrolleypartsunderdifferentoperatingmodeareanalyzedeffectivelytooThedistortionanditsfeatureareunderstoodroundlybasedontheanalyzedresultsofthetrolleyTheshortageofthetrolleystructureisfoundoutandt

6、henimprovedThecheckcalculationshowsthatstabilityofthetemplatetrolleyisimprovedgreatlyTheoperatingmodeisdecreasedfromfivetothreeandtheperfusiontimeisdecreasedto60％Atthesametime，therigidityofthetrolleyfl翟meisimprovedgreatl

7、yandthedistortioniscontrolledeffectivelyTherefore，thestressdistributionconditionismorerationalandthesafetyisguaranteedAccordingtoanalysisofthispaperthereferenceofdesignandUSeforthetrolleyisprovidedinthefutureKeywords：Tun