基于量化的城市街廓空间形态分类研究

A Study on Classification of Urban Space in the Block Based on Quantification

城市空间形态影响着人的活动、人对城市的视觉感知和城市微气候,同时也是城市设计与规划的基础。文章聚焦城市街廓空间,探索城市街廓空间形态特征及其量化分类方法。基于空间句法的空间划分方法和视域的空间描述方法,建立点式空间数据表达方法,定义空间特征指标的量化方法。针对街廓空间形态分类,研究提出多指标组合的空间形态分类图表。最后以南京新街口街区的两个街廓空间为例,探讨空间形态特征指标和空间形态分类图表的效果和实践意义。

The urban form influences activities and visual perception of people,as well as urban microclimate.It is also the basis of urban design and urban planning.This paper focuses on urban space in the block in order to explore the spatial characteristics of the urban block and their quantitative classification methods.Based on the spatial division method of space syntax and the spatial description method of isovist,the method of spatial data representation by setting points is established and the algorithm of spatial feature indicators is defined.Aiming at the classification of urban space in the block,this paper puts forward the spatial morphological classification chart based on multi-indicator combination.Finally,through the study of two blocks of Xinjiekou District in Nanjing,the effects and practical significance of spatial morphological quantitative indicators and the spatial morphological classification chart are discussed.