中国城市铁路客运可达性空间格局演变研究

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摘要 研究目的: 为更加全面测度铁路客运网络支撑下的中国城市可达性演变历程,本文针对铁路旅客出行时间构成特点,提出“出行累计时间”概念,并选取代表性时间节点进行可达性分析评价。
研究结论: (1)以“四纵四横”为骨干的高铁网络对旅客城市间出行可达性提升发挥了巨大作用,大环路加放射状的高可达网络格局初步形成,较高可达性等级城市呈现连绵分布;(2)城市可达性重心南移趋势明显;(3)近年来铁路建设显著提升了西部地区城市可达性水平;(4)沪汉蓉、东南沿海通道部分区段由于设计时速、客货混行等原因,城市间可达性水平不高,影响了长江中下游沿线以及浙江、福建、广东沿海城市间旅客出行的便利性与时效性;(5)本研究成果可为科学评价铁路客运可达性提供参考。

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	姚涵
	傅强

关键词 ：铁路客运, 出行累计时间, 可达性, 中国

Abstract：Research purposes: In order to comprehensively measure the evolution of the Chinese city accessibility supported by railway passenger transport network based on the characteristics of whole travel time of railway passengers, this paper proposes the concept of "Travel Cumulative Time (TCT)", and selects representative time nodes for accessibility analysis and evaluation.
Research conclusions: (1) The "four vertical and four horizontal" high-speed rail network plays a huge role in improving the accessibility between cities, and the high access network showing the pattern of large loops and radial extensions has taken shape. (2) The gravity center of access network represents a clear southward trend. (3) Railway construction has provided significant support for the improvement of urban accessibility in the western region in recent years. (4) Due to the design speed, mixed passenger and freight traffic, the accessibility level between cities in some sections of Shanghai-Wuhan-Chengdu Corridor and Southeast Coastal Corridor is not high, which affects the convenience and timeliness of passenger travel in these areas. (5) The research results can provide reference for scientific evaluation of railway passenger transport accessibility

Key words： railway passenger transport travel cumulative time accessibility China

收稿日期: 2021-12-09

PACS:

TU984

基金资助:中国国家铁路集团有限公司科技研究开发计划(2020F022);内蒙古自治区自然科学基金项目(2021MS05025)

作者简介: 姚涵,1976年出生,男,高级工程师;^**傅强,1981年出生,男,讲师。

引用本文:

姚涵, 傅强. 中国城市铁路客运可达性空间格局演变研究[J]. 铁道工程学报, 2022, 39(11): 1-5.
YAO Han, FU Qiang. Research on the Spatial Pattern Evolution of Urban Railway Passenger Transport Accessibility in China. Journal of Railway Engineering Society, 2022, 39(11): 1-5.

链接本文:

https://tdgcxb.crec.cn/CN/ 或 https://tdgcxb.crec.cn/CN/Y2022/V39/I11/1

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