城市空间形态对交通生成影响分析

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32

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TheImpactsofUrbanSpatialFormonTripGeneration

Peng

Hu

Jifeng

(Institute

ransp

ortation

Engineering

,Tsinghua

University

,Beij

ing

100084)

Duringthelasttwodecades,thereareamountofresearchesonrelationshipbetweenurbanform

andtraveldemandaroundthedevelopedcountries.Manymethodsandmodelsinthisfieldhavebeen

developed,aswellaspoliciesapplication.Thereare,however,lessstudieswithrespectthathowthe

urbanformimpactthetraveldemandinthedevelopingcountries.Asoneoftheimportantpartofcity

system,cityspatialformhashugeeffectontravelbehaviorthathasbeenprovedinmanycities.Inor-

dertodeeplyunderstandthepotentialrulebetweenurbanformandtraveldemandinChina,fourin-

dexesareputforwordtoestimateitinthispaperbasedondescriptionofurbanform,namelyurban

spatialshape,landusemixentropy,populationdensityandaccessibility.SeveralcitiesofChinawith

differentterrainarechoseninthisstudyandspatialanalysismethodsofGISareused.Theimpactsof

theseindexesonthetripgenerationareanalyzedrespectively,someconclusionsabouttheinteraction

ofurbanspatialformandtraveldemandaredrawn.Infactitisveryhelpfulforurbanplanningand

transporta