城市地铁规划网络可达性评价方法  

Evaluation method of accessibility of urban metro planning network

作　　者：王世杰 高鹏程 李伟 WANG Shi-jie;GAO Peng-cheng;LI Wei(Faculty of Geomatics,Lanzhou Jiaotong University,Lanzhou 730070,Gansu,China;National-Local Joint Engineering Research Center of Technologies and Applications for National Geographic State Monitoring,Lanzhou 730070,Gansu,China;Gansu Provincial Engineering Laboratory for National Geographic State Monitoring,Lanzhou 730070,Gansu,China)

机构地区：[1]兰州交通大学测绘与地理信息学院,甘肃兰州730070 [2]地理国情监测技术应用国家地方联合工程研究中心,甘肃兰州730070 [3]甘肃省地理国情监测工程实验室,甘肃兰州730070

出　　处：《西北师范大学学报（自然科学版）》2021年第6期118-123,共6页Journal of Northwest Normal University(Natural Science)

基　　金：国家自然科学基金资助项目(41861061);兰州交通大学优秀研究平台支持项目(201806);中国博士后科学基金资助项目(2019M660091XB);兰州交通大学青年科学基金资助项目(2019003)。

摘　　要：运用GIS网络分析法和空间句法原理,构建用于研究城市地铁空间可达性的评价模型,并用Python脚本语言编写ArcGIS工具箱组件.以兰州地铁为例,在综合考虑换乘次数和线路距离的基础上,模拟分析地铁线路网的空间形态特征,对兰州市地铁远景规划网络的可达性进行定量解释.结果表明,兰州市地铁规划充分考虑了城市主城区的发展和各重要交通站点间的交通可达性,远景规划图有较高的空间识别度,可达性良好;兰州市地铁远景规划网络建成后将极大地改善安宁区、永登县和皋兰县的可达性状况;建成区内,西固区和红古区可达性相对较高,而人口集中、经济相对繁荣的城关区和七里河区可达性相对较低;城市地铁在主城区的总体使用效率不充分,建议在城关区和七里河区公共交通运营中充分考虑好地铁和地上公交的关系,使地下与地上公共交通协调运行,以达到效益最大化.Using GIS network analysis and spatial syntax principle,the evaluation model for studying spatial accessibility of urban subway was constructed,and the ArcGIS toolbox component was written with Python script language.Taking Lanzhou metro as an example,based on the comprehensive consideration of the number of subway transfers and line distance,the spatial form characteristics of the metro network were simulated and analyzed,and the accessibility of Lanzhou metro long-range planning network was quantitatively explained.The analysis results show that the metro planning of Lanzhou City takes the development of main urban area and traffic accessibility between important traffic stations into full consideration,and the vision plan has a high spatial recognition and good accessibility.The future planning network of Lanzhou metro will greatly improve the accessibility of Anning District,Yongdeng County and Gaolan County.Within the completed area,the accessibility of Xigu District and Honggu District is relatively high,while Chengguan District and Qilihe District that have concentrated population and relatively prosperous economy are relatively low.The overall efficiency of urban subway in the main urban area is not sufficient.It is suggested that the relationship between subway and overground bus should be well coordinated in the operation of public transport in Chengguan District and Qilihe District,so as to make the underground and overground public transport operate in a coordinated way,in order to achieve maximum benefits.

关 键 词：可达性 空间句法 轴线模型 网络分析 兰州市 

分 类 号：P208[天文地球—地图制图学与地理信息工程]