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文档简介

CivilWorks–TunnelsHighSpeedRailEngineeringTCKao

ConradRuppert,Jr.

RailTransportation&Engineering

Center(RailTEC)DepartmentofCiviland

EnvironmentalEngineeringSectionOutlineBasicTunnelConfigurationsSpecialConsiderationsforHSRMethodsofConstructionBasicTunnelConfigurationsBoredTunnels:Twinsingle-tracktunnelshavingcrosspassagesbetweentunnels.Singletunnelwithtwin-trackswithseparationwall&escapewalkwaybetweentracksandaccessdoorsinseparationwall.Singletunnelwithtwin-tracksw/oseparationwall,escapewalkwayadjacenttotunnelwall.BasicTunnelConfigurationsCut-and-CoverTunnels:Single-tracktwinboxeswithescapeshaftsorcross-passages.Twin-track,singleboxwithseparationwall&escapewalkwaybetweentracksandaccessdoorsinseparationwall.Twin-track,singleboxwithoutseparationwall,escapewalkwaybywalloftunnel.SelectionofTunnelConfigurationTrainSpeedAlignmentTunnelLengthAerodynamicsVentilationFireandLife-SafetyDepthofTunnelAccessandEgressGeologicConditionsGroundStabilityRight-of-WayMethodofConstructionEnvironmentalConcernsOperation&MaintenanceCapital&OperatingCostsConstructionScheduleSpecialRequirementsforHSRTunnelcrosssectionServicespaceandsafetyconsiderationsPortaldesignFunctionalTunnelCross-Section

LoadingGaugeInsulationClearanceMaintenanceAllowanceSafetyAreaEmergencyWalkway(a)OpenFieldtrainNon-viscousflowViscousflow(b)EnteringtheTunnelCompressivewavesFlowboundaryNon-viscousViscousTrain(c)IntheTunnelNon-viscousViscousTrain(d)ExitingtheTunnelNon-viscousViscousTrainShortTunnelShockWavesatPortalDependson:TrainspeedFreearearatioLengthoftrainDesignoftrainnoseLengthoftunnelTrackstructureTunnelPortal

LongitudinalCross-SectionPressureReliefHolesPressureReliefPortalStructureTunnel20mPassengerComfortConsiderationsAirpressurechangeintunneldependson:TrainSpeedTunnelFreeCross-SectionalAreaTrainCross-SectionalAreCrossSectionsJapan:64m²German:64→82→92m²France:71m²Italy:76m²Spain:75m²Korea:107m²China:90m²320km/h350km/h400km/h320km/h350km/h400km/hTGVdesignServiceSpaceandSafety

DesignConsiderationsDrainageSafetyareasformaintenancepersonnelWalkwaysandemergencyaccess/egresspointsformaintenancecrewsandpassengersNichesandotherrequiredspacesforequipmentClearanceallowanceandconnectionsforcatenarysupportsandtensioningapparatusEarthingandbondingMaintenancereservationEmergencyEgresswithRescueAdit

EmergencyEgresswith

RescueShaft

LinkouTunnelConstructionPlanofLinkouTunnelNorthPortalSouthPortalShaftAShaftBFourWorkFacesExcavationattheTunnelFaceExcavationattheTunnelFaceExcavationDumpingShotcreteInstallationofsteelribWireMeshRockBoltsTunnelLiningWireMeshRockboltsInvertConstructionApplicationofWaterProofLayer©2010T.C.KaoandChrisBarkan.AllRightsReservedCEE498HSR5.3-CivilWorks-Tunnels&Tunneling36WaterStopper&WaterProofLayerWastewatertreatmentplantSteelReinforcementplatformLiningsteelformInvertBridgeRe-barinstallationCompletionofthere-barinstalltionCo

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