都市圈多模式交通网络韧性分析和优化策略研究

——以长株潭都市圈为例

打开文本图片集

AbstractTheulti-odaltransportationetwork（Minmetropliaareashasbcomeanimportatpartofurbanzatiodeveloent which is more complex thana single transportation network.To evaluate theresiliencechangeofmetropolitanMTNunder atacks，amodeling method for the metropolitan MTNis established based oncomplex network theory.Taking network characteristicssuchasoperationaleficiency，thelargestcoectedomponent，andstructuralentropyasthecootation， a comprehensive resilience evaluation index system for MTN is constructed from threedimensions： absorptivecapacity， connectivitycapacityandrecoverycapacity.Basedonindexvaluesobtained throughsingle-pointatackmethods，thetropy weightmethodisused toanalyze the weightsofeachindex in thecalculationofcomprehensive indicators.By integrating the dataofrailways，subways，and intercity bus passenger transport inthe Changsha-Zhuzhou-Xiangtan Metropolitan Region， atopological modeloftheChangsha-Zhuzhou-Xiangtan Metropolitan RegionMTN isconstructed basedonthe NetworkX framework.Based on the calculation results，focusing on enhancing the resilience of the Changsha-Zhuzhou-Xiangtan MetropolitanRegionMN，optimizationstrategies areproposedfromaspects ofoptimizing transfer node layout，improving transportationnetworkdistribution，strengtheningodeprotection，andaddingbackuplines.Thesestrategiesprovideasietific basisanddecision-makingsupportfortheplanmingandconstructionoftheChangsha-Zhuzhou-XiangtanMetropolitanRegionMTN.

关键词全过程实施;现状底图;建构方法;空间认定 Key Words whole process implementation;current land use basemap; construction method;spatial identification 文章编号1673-8985（2025）04-0129-07中图分类号TU984文献标志码A

D0I 10.11982/j.supr.20250418

作者简介

覃佐彦

湖南大学建筑学院博士研究生

焦胜（通信作者）

湖南大学建筑学院

教授，博士生导师，副院长

jiaosheng2008@163.com

0引言

在城市化进程加速和城市空间形态基本成型的背景下，由一个或多个核心城市和与其有紧密经济、交通联系的邻接城镇组成的都市圈[成为大城市区域发展的重要载体和增长极2。（剩余15579字）