城市地下快速道路网规划分析

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1、ABSTRACTUrbanundergroundmadnetworkconstructioncanalleviatecurrentsituationandtendencyoftrafficcongestioninurbancentraldistrict,gavelandresourcesatmaximum，andalsocanmaketheurbanconstructionkc印openspace，plentyofsunshine，舶shair,beautifullandscape，andlarge—areagreenlandandwater

2、,providingthelivingandworkingconditionsfortheresidentswithouttrafficenvironmentinfluences．Atpresent,urbanundergroundroadsystemswhichhavebefinishedorareunderplanningandconslructionaremanyathomeandabroad,butwithoutsystematicresearchontheplanningprocess．Planningconstructionofu

3、rbanundergroundroadsystemisqualitativelydifferentfromitofgroundroadsystemplanning，mainlyreflectingthaturbanundergroundroadsystemownsthebasiccharacteristicsofundergroundproject,andtheinfluencesoftopographyandgcomorphology,geologicalconditionareveryimportant．Soitisnotonlyfrom

4、thepathofplanningideastodiscussplanningandconstructionofurbanundergroundexpresswaynetwork．Combiningwithchongqingtorch—planprojects”keytechnologyresearchonconstructionofundergroundfastroadnetworkinChongqingdowntownareas”，theurbanundergroundespresswaynetworkplanningandconstru

5、ctionwerestudied,firstlybeginningfromcharacteristicsofundergroundengineering，planelementsof”themodelofentrancelocation”and”undergroundoverpasshub”ctcwereexplored；byanalyzingtheurbanroadplanningmethods，railtransportationplanningthought,multi—modulesdelaminatingpoint,lineandp

6、laneelementmethodswereputforwardtosatisfytheurbanundergroundroadnetworkplanning；fmally,schemesevaluation，comparisonandselectionandriskanalysisoftheurbanundergroundfastroadnetworkwerediscussed,ete．Themaininnovationpointsandworkofthepaperare弱follows：Combinedwiththecharacteris

7、ticsofundergroundengineering，principlesmeetingurbanundergroundfastroadnetworkplanningweresummarizedanddiscussed,andplanningcontentneedingtobeconsideredWassummarized；Forsatisfyingurbanroadnetwork,thelocationmodelofentranceandexitWasbuilt,andthefeasibilityofthemodelWastesteda

8、ndverifiedthroughexamples；Itexpoundedoperationprocessofmulti—modulesdelaminatingpo