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1、西南交通大學(xué)碩士學(xué)位論文箱型肋拱橋荷載橫向分布計(jì)算分析及其試驗(yàn)研究姓名:皇甫娟申請(qǐng)學(xué)位級(jí)別:碩士專業(yè):橋梁與隧道工程指導(dǎo)教師:錢永久20090401西南交通大學(xué)碩士研究生學(xué)位論文第lI頁(yè)AbstractReinforcedconcretearchbridgehasgreatcompetitioninthemoderlong-spanarchbridge,andtheribbed-boxarchbridgeisthecommonkindinthearchbridge.So.ithasremarkablysignifica
2、tioninthetheoryandpracticalvaluetostudythebehaviorofloadingpropagationaboutthiskindofbridge.Basedonthecharacteristicsofthistypestructure.theactualdistributionoftransverseloadweremeasuredandanalyzedcombiningwithanalysisbyfiniteelement、theorganicglassmodeltestsofa
3、ribbed-reinforcedconcretearchbridgeandtheloadingtestofaalreadycompletedarchbridge.Sumupthesuitablemethodforcalculatingthetransverseloaddistributionofthistypebridge.Then,themeasuredresultswerecomparedwiththecalculatedonesbytheleverprinciplemethod.Finally,thetrans
4、verseloaddistributionofthistypebridgewasanalysedandverified.Themaincontentsinthisthesisasfollows:1.Firstly,summarizedtheemergenceandthedevelopmentofribbed-boxarchbridge,andsystematicallyelaboratedthemaincharacteristicsofthistypeofbridge.Thenthepresentapplication
5、ofribbed—boxarchbridgeandthepresentresearchworksofitstransverseloaddistributionwereintroduced.Atlasttheexistentproblemsandthemainworksinthisthesiswerepointedout.2.Introducedthemethodsforcalculatingtransverseloaddistribution,andfoundoutthemethodsuitableforcalcula
6、tingthetransverseloaddistributionofribbed-boxarchbridge.3.Byfiniteelementanalysis,andcombiningwithorganicglassmodelexperimentandabridgeloadingtest,gettheregulationoftransverseloaddistributionofthistypebridge.Thenthesuitablemethodforcalculatingthetransverseloaddi
7、stributionofribbed-boxarchbridgeweregiven.4.Summarizedthechangeofthetransverse10addistributionalongthebridgespanaccordingtheanalysisresults.Then,makeacomparisonbetweentheresultsoffiniteelementanalysisandtheresultscalculatedbytheleverprinciplemethodtoverifytheapp
8、licabilityofthelever西南交通大學(xué)碩士研究生學(xué)位論文第1II頁(yè)principlemethod.Keywords:Ribbed—boxArchBridge;TransverseLoadDistribution;FiniteElement;LeverPrincipleMethod;Experiment/Test西南交