街道步行指数的大规模评价 ——方法改进及其成都应用

Large-scale Evaluation for Street Walkability: Methodological Improvements and the Empirical Application in Chengdu

周 垠
成都市规划设计研究院 规划师,硕士

摘要: 步行交通对于城市可持续发展的积极意义,已经得到国际、国内的广泛接受和肯定,可步行性评价也得到了越来越多的关 注。基于国际上流行的WalkScore的评价思路,对其计算方法进行简化,并加入街道环境影响因子,对成都市一、二圈层区 县内的街道可步行性展开综合评价。根据可步行性的评价结果,与人口空间分布展开相关分析,评价临街设施分布的合理 性;并对比分析住宅类街道(R)、公共管理与公共服务类街道(A)和商业服务业设施类街道(B)的可步行性的差异及 不同类型街道的圈层分布差异。研究表明,住宅类街道可步行性最高,其次为公共服务类街道,商业类街道可步行性相对 较低;然后分析了市中心、区县中心、地铁口、商业综合体等区位因素对街道可步行性的影响,其中原市中心(天府广场) 对街道可步行性的影响最大,其次为区县中心,地铁口和商业综合体能一定程度提升周边街道可步行性。

Abstract: The significant effect of walking on urban sustainability has attracted worldwide attention. More and more walkability evaluation studies have been conducted in recent years. In this paper, we revised the evaluation method for WalkScore via introducing street greenery and applied the revised method in Chengdu. The application results reveal that streets in residential areas are associated with greater WalkScore, in comparing with those in business areas. In addition, streets being closer to the city center, sub centers, subway stations and shopping centers have greater WalkScore values as well.

关键词:可步行性、 WalkScore、街景、人本尺度、成都

Keyword: Walkability、 WalkScore、 Street view、 Human-scale、 Chengdu

中图分类号:TU981

文献标识码: A

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