斜拉桥的仿真计算与检测分析

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1、斜拉桥的仿真计算与检测分析Ys?ozooSimulationandDetectionofCable-StayedBAdge作者姓名学位类型学科专业研究方向导师及职称竖扬丞堂压亟主直政工程撼血道路生援鋈墓敛敦援一2006年1月20日SimulationandDetectionofCable-StayedBridgeAbstractWiththedevelopmentoftrafficandtheadvancementoftechnology,thedetectionofbridgeisconsideredtobemoreandmoreim

2、portant．Itsmainsignificationexpressesintheapplicationsasfollows：assessofactualcarryingcapacityoftoday’Sbridges，foundationoftechnicalinformationofbridges，anddevelopmentsoftheassesstheoriesofoldbridgesanddesigntheoriesofnewbridges．Since1940s，finiteelementmethod(FEM)gradual

3、lyholdstheimportantrolesinscientificresearchandengineeringanalysis．Atpresent，itisthemainstreamofthedomainofnumericalcalculation．Anunknownexpertsaysthattheimegrmionofanalysisanddetectiontechniquewillbethehotspotofbridge’Sdetectioninthefuture．That’Stosay,thenumericalanalys

4、istechniquesbased—onFEMwillbebandedtogetherwithfieldexamines，andtheywillcheckandreinforceeachother．Indetails，thispaperdiscussestheprinciple，methodandcontentofstructuraldetectionofcable·stayedbridge．Atthesametime，theauthortakesonecable—stayedbridgeastheexample，andexposesi

5、tsfactualresultsofdetection．Recently,thestructuralsimulationtechniqueforbridgeisusedmoreandmole，andithasbeenonenotablesymboloftheprogressoftechniqueofbridgeengineering．111esimulationofcable-stayedbridgeisbasedonentireFEMmodel．whichCancompletelyandexactlyreflectstheactual

6、stateandbehavior．Thispaperstudiesthestrucmralcharactersandmechanicspecialtiesofcable-stayedbridge，detaileddiscussesthetotalthoughtandworkprocess，andtakesoneengineeringexample．Comparedtheresultsofsimulationwiththeresultsoffieldexamination，wecanfindthereiSconsistency．There

7、fore，theresultsofsimulationandcalculationcaninsteadofsomeeasydetectionwork，whichwillabatetheburdenofthefuture’Sdetectiontask．nispaperaimstheexpositionofthemethodsofdetectionofcable．stayedbridge，andaimstheintegrationofsimulationcalculationanddetectiontechniqueinordertoche

8、cktheirconsistency．Ithasfivechapters．Inchapterone，theauthorsummarizesthedetectionofbridgeandthestructur