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首页 天津快速路志成道立交工程设计浅述(Tianjin Expressway Zhicheng Roa…

天津快速路志成道立交工程设计浅述(Tianjin Expressway Zhicheng Road Interchange Project on Design).doc

天津快速路志成道立交工程设计浅述(Tianjin Expres…

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2018-02-02 0人阅读 0 0 0 暂无简介 举报

简介:本文档为《天津快速路志成道立交工程设计浅述(Tianjin Expressway Zhicheng Road Interchange Project on Design)doc》,可适用于社会民生领域

天津快速路志成道立交工程设计浅述(TianjinExpresswayZhichengRoadInterchangeProjectonDesign)天津快速路志成道立交工程设计浅述(TianjinExpresswayZhichengRoadInterchangeProjectonDesign)TianjinExpresswayZhichengRoadInterchangeProjectonDesignAbstract:TianjinisoneofthefourmunicipalitiesinChina,andthepartoftheeventsoftheOlympicgamesInordertosolvetheTianjincitytrafficproblemfundamentally,tobetterservetheOlympicGames,TianjincityexpresswaysystemintheimplementationoftheprojectstartedinTheexpresswaynetworkplanningfortheconstructionof"twohorizontal""twoverticalandfourexpresswayschannel,thusformingafastchannelnorthsouthandeastwestthroughthecityZhichengRoadInterchangeProjectforEastWestExpresswaysystempartoftheNorthernCross,fromnorthtoSouthaspartofarapidsystemvertical,formedafterthecompletionofanimportantpartofexpresswayrunsthroughthecenterofthenortherncityofTianjin,caneffectivelyalleviatethetrafficpressureintheregionKeywords:ExpresswayprojectoverviewdesignprinciplesofZhichengdesignroadinterchangeprojectaccordingtotheoverallplanningofTianjincityfastroadnetwork,andconsiderthelimitofinvestment,constructionperiod,groundtransportation,constructionsiteconditions,withaslittleaspossibledemolition,lessland,tosavetheprojectinvestment,toachieverapidtransitastheprinciple,andactivelycarryoutthepractical,economicalandbeautifulbuildingpolicyFocusontheoveralllayoutofthebridgeconstructionandthemainstructure,structuretheoverallappearanceofattentionandurbanlandscapespace,proportionofcoordination,inordertomeetthetrafficstandards,andstrivetoadvancedtechnology,beautifulappearance,savethecost,maketheprojectafterthecompletionofTianjincityhasbecomeabeautifullandscapetrafficorganizationZhichengRoadEastfromtheZiyaRiverBridgetotheendpointtotheouterring,atotallengthofmetersInordertoensurethetrafficsmooth,fast,ZhichengroaddesignwillbelocatedonthethirdfloorOnthesouthsideroadmetersacrosstoclearance,JinpurailwayandJingshanrailway,uptothirdlayers,successivelyacrossthefastEastLongitudinalandthestatusquoofTuosaltbridge,felltothegroundZhichengRoadInterchangeBandClineforZhichengRoadInterchangesecond,theneastacrossthelongitudinalstartingpoint,andaftertheXinkaiRiverEastlongitudinalrailroadviaductbridgeThetwomaindirectionswithelevatedform,completelyseparatedfromtheroadsurfacetoensurethesmoothflowofexpresswayInadditionintheinterchangealsosetD,E,F,G,H,JandIrespectivelyinterchangeramp,communicationlinkandverticaltothedirectionoftheZiyaRiverandroadtrafficandrailOntherampNline,southsideroadintersectionEastrampsettingtheMline,theexpresswayandauxiliaryroadandSouthRoadcommunicationDuetotheconstructionofoverpasssolves,mostofNorthEastlongitudinalcrosstraffic,travelalongthevehicleandlinktosomeoftheirvehicles,nonmotorvehiclesandpedestrianscanbesolvedbygroundtransportation,therefore,tosetuponthenorthsideofmainlineroadinChi,roadwearringanduseofsaltfieldsonbothsidesofthebridgeauxiliaryroadcommunicationwiththecentrallineTheoveralldesignoftheoverpassbridgeTheoverpassspanmustmeettheclearanceacrosstheroad,railwayandriverrequirements,andstrivetodesignbeautiful,affordable,graduallytransitionsizespanfromhightolow,topreventthebeamheightdifferenceistoolarge,inordertokeepthelinesofsymmetryandcontinuityAccordingtotheaboveprinciples,theoverpasscrossingpositionexceptforspecialneeds,generallytometersofmediumspan,bothlinescorrespondtopierlayoutprinciples,ensuretheoveralllayoutofthebridgepierinorder,togivepeopleagoodvisualexperience,andensurethatallthepiersarelocatedintheintersectionofroadclearanceunderthebridgeoutsidebridgestructuredesigntheupperstructuredesignofboxgirdersectionoverallstiffness,deflection,bendingandtorsionalproperties,especiallytheadvantagesinthedesignofcurvegirderbridgeismoreprominentAndthebeautifulappearance,strongapplicability,hasexperienceinthedesignandconstructionofadvancedandmature,theconstructionmethodismoreflexibleandelevatedstructurewidelyusedathomeandabroadTheprojectislocatedintheurbanarea,landscaperequirementshigher,curvebeam,mainlineandrampconnection,shouldadopttheconstructiontechnologyofcastinsituconcretestructureandcastinplaceconstruction,simultaneouslyworkingfacetocarryoutthework,fastconstructionprogressSo,Inthisdesign,inadditiontotheupperstructureofthebridgecrossingtherailwaylocationusingprestressedreinforcedconcreteprecastslabbeam,otherpositionswereusingcastinplacecontinuousboxgirderstructureA,B,Cstandardsinglesectionlinebridgewidthofmeters,theupperstructurewithsingleboxdoubleroomsection,consideringthelandscaperequirementsandoverallcoordinationacrosstheoverpass,inadditiontotheauxiliaryroadlocation(spanmeters)beamismeterstall,crosslinkposition(spanmetersbymetershighbeam)outside,therestpositioninastandardspanofmeters,metersheightofthebeamAlineacrosstheJinpurailway,Jingshanrailwaylocation,combinedwiththecurrentsituationofrailwaysuperstructure,usingposttensionedprestressedconcretesimplysupportedhollowslab,inordertomeettherequirementsofnormaltrafficduringtheconstructionofrailwayEightrampbridgewidthismeters,theupperstructurewithsinglecellboxsection,consideringtherequirementsandtheoveralllandscapeinterchangecoordination,inadditiontotheJlineacrossthebridgewithhighsaltTuoLimitedmeters,theotherpositionofboxgirderwithmetershighTheplaneisinthesmallradiuscurveramp,reinforcedconcretecontinuousboxwithmetersstandardspanbeamthelowerpartofthestructuredesignofcityoverpassshouldhavegoodvisibilityconditionsandthelandscapeunderthebridge,thepiershapewiththebeautifullightAccordingtotheupperstructure,thisprojectadoptsrectangularoverpasspiercolumnwithangleofsinglecolumnpier,thepiertopcurvethroughtheamplification,incoordinationwiththeshapeofboxgirderNovelappearance,conciseoutline,theproportionofmoderateTheabutmentareusedwordform,Taiwanbodyheightisreducedasfaraspossible,inordertoshortenthelengthofTaiwanafterthewall,ensurethecityspacepermeabilityThebridgesurface~metersrangefortheartificialsoillayer,theothertotheundergroundmeterswithinthescopeofthebasicsubclaylayer,geologicalconditions,distributionuniformityandstabilityButtheundergroundpipelineofurbanroadsismoreintensive,andlackofrelevantinformation,inordertoguaranteetheconstructionofvariousundergroundutilitypipelinessafety,toensurethefoundationbearingcapacity,reducethesettlementofboredpilefoundationarethesubstructure,acapThepilediameterofmeters,thelengthofthepilefoundationbearingcapacityisdifferentintherangeoftometersGuardrailarearrangedonbothsidesoftheaffiliatedengineeringdesignofbridgebyreinforcedconcretecolumn,andthesolidpartofmetalsteeltubehandrailcombinationThebridgeismadeofcastirondrainagedrainageholes,bysettingpiersofthePVCpipeintothegrounddrainagesystemThebridgeexpansiondeviceuptothebendintheanticollisionrailing,withallinclusivetypeConcreteboxgirderbridgepavementbottomusingfibernetconcrete,theupperasphaltconcretestructureInordertoalleviatethebumpingphenomenon,abutmentpositionsadoptmeterlongreinforcedconcreteslabkeyproblemsindesignandconstructionThesectionofNorthlinecrossingtherailwayschemerespectivelyacrossJinpurailwaylinesandthreesharesofthreesharesofJingshanrailwaylineintheoverpassrange,becausethesefewlinesarethemainrailwayline,theconstructionperiodmustensurethenormaloperationofthetrain,sointhisdesign,thetworailwaybridgewithsimplysupportedplategirderthestructure,andthebridgeframebeamTheoverallframesequenceofthegirderfromeasttowestbyspanerection,useandhascompletedtheconstructionofthecastinplaceboxgirderadjacentsimplysupportedplateasbridgingmachineandfeedassemblysitedoorhangingbeam,anderectedthefirstholeofsimplysupportedplategirder,andthenforwardthecompletionoferectionoftherestoftheholebyholebeamInthedesigninadditiontothecalculationofnormaldesignload,butalsoneedtostructureandthelowerpartofthebridgebeamdrillingpileeccentricforce,theupperstructureofsimplysupportedbeamandcontinuousbeamunderconstructionloadforcecalculationcheck,toguaranteethesafetyofthestructureduringconstructioncontinuousboxgirderconstructionprocessoverpasssuperstructureconstructionwithfullframingconstructionmethod,acrosstheintersectionandneedtopositionthroughthemilitarybeamreservedduringtheconstructionoftemporarychannels,ensuregroundtrafficBecausemostoftheupperstructureofthebridgeforprestressedstructure,theformationofmultiprestressedboxgirderisconnected,inordertoensuretheconstruction,constructionperiod,takestockandadjacentpouring,Thatisacontinuousbeamwithbothendsoftheprestressedtensioningconstruction,andadjacentacontinuousbeam,thesidespannearthepierpositionreservedmeterswideafterpouringwetjointinthewetjointpositiononbothsidesofthetensionofprestressedsteelbeam,steelanchorbeaminwetjointsection,andthetwosidepartofthesteelanchorbeamthroughthewetjointarrangedontheinnersideoftheanchorblockinthewebTheconstructionprocesscanensuremultiprestressedcontinuousboxbeamconstructioniscompletedonscheduleatthesametime,strivefortheprecioustimeIntheschedulepermits,constructionofreinforcedconcretecontinuousboxgirderincompleteprestressedboxgirderconstruction,avoidtheworksurfacecrossinterferenceprestressedconcretecontinuousLiangLianggaoofthisprojectisthreelayerInterchangeInterchangeacrossmultipleexistingroads,railwayandrivergroundThelocalareaclearancelimitstructureofprestressedconcretecontinuousgirderbridgebeamisquitesmallThrougheconomicanalysisandcomparison,appropriatetoreducethebeamheight,theoverallsizeofinterchangeprojectisgreatlyreduced,whiletheupperpartoftheconcretestructuretoreducetheamountofdeadloaddecreasesandonthelowerpartofthestructureofengineeringquantitysavingisextremelybeneficial,thussavingalotofmaterials,processing,transportationandhoistinginconstructioncostsForthecontinuousbeamstructurebyusinghighstrengthconcreteandhighstrengthsteelstrand,toimprovethequalityofconcretestructureEspeciallyinthemodernarchitecturaltechnologyprogressundertheconditionoftheworld,especiallythedevelopedcountries,buildingahighlevelofsecurityisachievedbyhighstrengthmaterialIn"JTGD"bridgegauge,comparedwiththeoriginalstandard,improvethestrengthgradeofconcrete,highstrengthconcretewillbeincludedinthespecification,andrecommendedtheuseofhighstrengthsteelstrandsteelasthedominant,butalsoshowedatrendofpromotionofnewmaterialsThisprojectisadoptedinthedesignofthebridgeisrelativelysmall,throughtheresearchontheeffectofthefinalproject,forthisprojecttoimproveeconomicefficiency,ensurethestructurequality,hasabeneficialeffectAtpresent,ZhichengRoadoverpasshasbeenfullycompleted,theauxiliaryroadlightingandgreeningfacilitiesconstructionisperfectManypeoplehaveexperienceditfortheconvenienceoflife,timeandspacedistanceofthewholecitycenterisalsoshortenedAlongwiththeTianjinexpresswaynetworkwasbuilttoimprovetheurbantraffictension,improveoperationalefficiencyofvehicleswillbeofgreatsignificance

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