数字化隧道工程关键技术研究及应用

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1、同济大学土木工程学院博士学位论文数字化隧道工程关键技术研究及应用姓名：解福奇申请学位级别：博士专业：结构工程（地下结构）指导教师：朱合华;李晓军20090701摘要适逢国家四万亿投资，希望本文的研究成果能够为国家隧道及地铁建设贡献微薄之力!关键词：数字化隧道工程，时态GIS，Delaunay三角化，三维数字地层，地层剖切，造型平台，可视化，虚拟现实ⅡAbstractABSTRACTDigitalresearchontunnelconstructionandmanagementisanurgentworkandaninevitabletr

2、end，andalsoaverycomplexandbroadsubject．Inthispaper,theconceptofdigitaltunnelengineering(DTE)isputforwardforthefirsttime，andthekeytechnologyresearchincludingthespace—timeinformationsystem，thevisualizationandmodelingplatform，and3Dmodelingsystemandspatialanalysissystemiscar

3、ryout．Themainworkisasfollows：1)Proposetheconceptofdigitaltunnelengineering．AndthenthemodulesystemforDTEislaiddownbasedonthefunctionanddemandanalysis，andalsotheoverallstructureisdesigned．．2)Thedatasourcesoftotaltunnellifecycleareanalyzedindetail，andinaccordance谢t11itschar

4、acteristicsthedataclassificationandcodingsystem，finallythedatastandardizationsystemisdeveloped，whichCanshowmodemtunnelprojectcharacteristicsandobject-orientedphilosophy,meetrequirementsforDTE，andfacilitatedatacollectionandorganization,alsoconducivetobeuniversallyaccepted

5、andadopted．Thedatabaseisdesignedbymetamodelandthetunnelspaceinformationishierarchicallydescribed埘ththeengineeringstructurestree，finally,thedigitaltunnelspmialdatabase、)I，itlltheobject—orientedcharacteristicsissetup．3)ThemodelingplatformforDTEisresearchedanddevelopedinthe

6、plug-instructure．Theentireplatformisdividedintosixsubsystems，namelythegeometrysubsystem，thetopologysubsystem，thevisualizationandinteractivesubsystem，thevirtualrealitybrowsersubsystem，theengineeringobjectlibrarysubsystemandtheexpansionusercommandsubsystem．Andexpoundedthei

7、nterface，thevisualizationplug·-insubsystemandthelogicallayerplug··insubsystemaledescribed，atlastthemethodofapplicationanddevelopmentbasedontheplatformisexplained．4)Fortheactualdistributioncharacteristicsofstrata,thestratamodelingisestablished、炳tlltheDelaunaytriangulation

8、,andthenanewstratamodel、砘tIlinterlayerismodeledtoimprovetheaboveone．ThemodelingoftheNATMtunnelsandthesh