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
Research on Resilience Analysis and Optimization Strategies of Multi-modal Transportation Network in Metropolitan Region: A Case Study of ChangshaZhuzhou-Xiangtan Metropolitan Region
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
摘要: 都市圈的多模式交通网络（Multi-modal Transportation Network，MTN）已经成为城市化发展的重要载体，它比单一交通网 络更为复杂。为研究都市圈MTN应对攻击时的韧性变化特征，依托复杂网络理论和都市圈层面的多种交通模式，建立都市 圈MTN复杂网络模型的建模方法。以运行效率、最大连通子图、结构熵等网络特征为内涵，构建吸收能力、连通能力、恢复能 力3个维度的MTN综合韧性评估指标体系。通过单点攻击的方法获取各个指标值，并采用熵权法分析各指标在综合指标计 算中的权重。整合长株潭都市圈铁路、地铁、城际汽车客运数据，基于NetworkX框架构建长株潭都市圈MTN拓扑模型。基于 计算结果，以提升长株潭都市圈MTN韧性为核心导向，从优化换乘节点布局、优化交通网络分布、加强关键节点保护、增加 备用线路等方面提出长株潭都市圈MTN的优化策略，以期为长株潭都市圈MTN的规划建设提供科学依据和决策支持。
Abstract: The multi-modal transportation network (MTN) in metropolitan areas has become an important part of urbanization development, which is more complex than a single transportation network. To evaluate the resilience change of metropolitan MTN under attacks, a modeling method for the metropolitan MTN is established based on complex network theory. Taking network characteristics such as operational efficiency, the largest connected component, and structural entropy as the connotation, a comprehensive resilience evaluation index system for MTN is constructed from three dimensions: absorptive capacity, connectivity capacity, and recovery capacity. Based on index values obtained through single-point attack methods, the entropy weight method is used to analyze the weights of each index in the calculation of comprehensive indicators. By integrating the data of railways, subways, and intercity bus passenger transport in the Changsha-Zhuzhou-Xiangtan Metropolitan Region, a topological model of the Changsha-Zhuzhou-Xiangtan Metropolitan Region MTN is constructed based on the NetworkX framework. Based on the calculation results, focusing on enhancing the resilience of the Changsha-Zhuzhou-Xiangtan Metropolitan Region MTN, optimization strategies are proposed from aspects of optimizing transfer node layout, improving transportation network distribution, strengthening node protection, and adding backup lines. These strategies provide a scientific basis and decision-making support for the planning and construction of the Changsha-Zhuzhou-Xiangtan Metropolitan Region MTN.
关键词：全过程实施；现状底图；建构方法；空间认定
Keyword: whole process implementation; current land use base map; construction method; spatial identification
中图分类号：TU984
文献标识码: A
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