Transport Effect of Group Adhesion Expansion in Chongqing Urban Area

doi:10.3969/j.issn.1674-0696.2018.04.15

Abstract

Abstract: With the expansion of urban space，there is a trend of residential group adhesions in some polycentric group cities.In order to explore the influence mechanism of group adhesion on the urban traffic of polycentric group city，taking the main urban area of Chongqing as an example，the travel characteristics of the residents in the studied area were analyzed.The traffic generating and attracting characteristics and the characteristics of travel modes with different travel purposes were investigated through questionnaires.The characteristics of main road traffic operation on the working days and non-working day in the adhesion area were analyzed by road real-time monitoring.It is considered that the group adhesion expansion breaks group internal balance and increases cross-group travel demand; it stimulates demand for private car travel which is not conducive to the development of public transport; it also breaks the “arterial traffic + area freestyle” road network layout which is well matched with the group urban construction.Finally，suggestions for the coordinated development of urban spatial structure and urban traffic in polycentric group city were put forward.

Key words: traffic and transportation engineering, polycentric group city, group adhesion, urban transportation, urban spatial structure

摘要： 随着城市空间的扩展，一些组团城市出现了组团粘连扩展的趋势。为了探寻多中心组团城市粘连式扩展对城市交通的影响机理，以重庆市主城区为例，对研究区居民出行特征进行分析，通过问卷调查对粘连区不同目的出行的交通发生吸引特征、不同目的出行的交通出行方式特征进行调查分析，并通过道路实时监测分析粘连区工作日和非工作日主要道路交通运行特征。认为组团粘连式扩张使组团内部平衡被打破，跨组团出行需求增加；刺激小汽车出行需求，不利于公共交通发展；破坏了与组团式布局形态较为匹配的“干线+片区自由式”的路网布局特征。最后提出了多中心组团城市空间结构与城市交通协调发展的建议。

关键词: 交通运输工程, 多中心组团城市, 组团粘连, 城市交通, 城市空间结构

CLC Number:

TU984
U121

IU Xiaomeng1，2，HUANG Chengfeng1. Transport Effect of Group Adhesion Expansion in Chongqing Urban Area[J]. Journal of Chongqing Jiaotong University(Natural Science), 2018, 37(04): 96-101.

刘晓萌1，2，黄承锋1. 重庆市主城区组团粘连式扩展的交通影响研究[J]. 重庆交通大学学报（自然科学版）, 2018, 37(04): 96-101.

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