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ID:33144072
大小:19.05 MB
页数:80页
时间:2019-02-21
《地铁盾构区间下穿城际铁路桥梁结构与轨道变形分析和控制措施分析-(5566)》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、万方数据ABSTRACT—————————————————————————————————————————一一AbstractWiththespeedingupofurbanizationprocess,highspeedrailwayengineeringbetWeencitiesandurbansubwaynetworkofcitiesdeveloprapidly,thesituationsofthenewsubwayshieldthroughthehighspeedrailwayviaductbridgeshappenmoreandmorefrequemly.Inthedev
2、elopmentofurbanrailtransitconstruction.shieldtunnelconstructionmethodforitsadvantagesofsafety、efficientanddoesnotaffectthegroundtransportationgotbetterapplicationandrapiddevelopment.However.shieldtunnelcrossingengineeringwillcausedeformationofstrata,structureofviaductandtrackstructure.Sotherei
3、sabigsecurityrisk.Thispaperisbasedonanewsubwayshieldintervalthroughthebeijing,tianjininter-cityrailway·ByusingfiniteelementanalysissoflwareANSYSnumericallysimulateshieldtunnelconstructionprocessandanalyzestheactualdata.shieldcrossinginter—cityrailwayelevatedlinedeformationcausedbytheinnuencean
4、driskcontrolarestudied.Themainworkandresultswereasfollows:(1)FormationcausedbyshieldtunnelcrossingconstructionandeIevatedlinedeformationmechanismisstudiedtheoretically.(2)ByusingANSYSfiniteelementsoftware,3Dentityformation.structuremodelisestahlished·Bysireulatingshieldconstrucgon,thedeformati
5、ondatapredictedbythemodelareanalyzed.Theeffectsoftrackstructureandthebering—tianjininter-cityelevatedbridgestructurecausedbyshieldconstructionaremastered.(3)Bysortingandanalyzingmonitoringdataofactualengineering,theactualsettlementdeformationlawofinter-cityrailwayviaductmadtrackintheprocessofs
6、hieIdcrossingaregot.Theresultoftheoreticalsimulationiscomparedandanalvzedwiththeactualmonitoringresults,validatingthecorrectnessofthemodel.(4)ByanalyzingandsummaryingeffectivecontrolmeasuresofshieldthroughtbeInter-cityrailwayviaduct,reasonablesuggestionsareprovidedforthesimilarshieldcrossingen
7、gineering.K哪Vord:Shield;Theinter。cityrailway;Elevatedbridge;Deformation1aw:Controlmeasures.Classification:U231Vll万方数据目录中文摘要⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯.vAbstract.⋯...⋯....⋯....⋯⋯⋯.....⋯..⋯....⋯...⋯⋯..⋯⋯...⋯.⋯⋯....⋯.⋯⋯....⋯....⋯⋯...
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