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ID:29058797
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页数:21页
时间:2018-12-16
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1、本科毕业设计(论文)外文翻译专业名称:土木工程年级班级:学生姓名:指导教师:河南理工大学土木工程学院二○年月日UrbantransportationPlanningAnurbantransportationsystemisbasiccomponentofanurbanarea'ssocial,economic,andphysicalstructure.Notonlydoesthedesignandperformanceofatransportationsystemprovideopportunitiesformobility,butov
2、erthelongterm,itinfluencespatternsofgrowthandthelevelofeconomicactivitythroughtheaccessibilityitprovidestoland.Planningforthedevelopmentormaintenanceoftheurbantransportationsystemisthusanimportantactivity,bothforpromotingtheefficientmovementofpeopleandgoodsinanurbanareaa
3、ndformaintainingthestrongsupportiverolethattransportationcanplayinattainingothercommunityobjectives.Thereareseveralbasicconceptsaboutanurbantransportationsystemthatshouldbekeptinmind.Mostimportant,atransportationsysteminanurbanareaisdefinedasconsistingofthefacilitiesands
4、ervicesthatallowtravelthroughouttheregion,providingopportunitiesfor:(I)mobilitytoresidentsofanurbanareaandmovementofgoodsand(2)accessibilitytoland.Giventhisdefinition,anurbantransportationsystemcanbefurthercharacterizedbythreemajorcomponents:thespatialconfigurationthatpe
5、rmitstravelfromonelocationtoanother;thetransportationtechnologiesthatprovidethemeansofmovingoverthesedistances;andtheinstitutionalframeworkthatprovidesfortheplanning,construction,operation,andmaintenanceofsystemfacilities.TheSpatialConfigurationofaTransportationSystemOne
6、waytodescribethespatialdimensionofanurbantransportationsystemistoconsiderthecharacteristicsofindividualtripsfromanorigintoadestination.Forexample,atripcanconsistofseveraltypesofmovementundertakentoachievedifferentobjectives.Travelersleavinghomemightusealocalbussystemtore
7、achasuburbansubwaystation(atripcollectionprocess),proceedthroughthestationtothesubwayplatform(atransferprocess),ridethesubwaytoadowntownstation(aline-haulprocess),andwalktoaplaceofemployment(adistributionprocess).Similarly,onecanviewahome-to-worktripbycarasconsistingofsi
8、milarsegments,withthelocalstreetsystemprovidingthetripcollectionprocess,afreewayprovidingtheline-haulca
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