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基于空间构成效率的历史古城人流空间分布研究 —   —以平遥古城主要商业街道为例
武凤文1, 李烈航2
1.( 通讯作者):北京工业大学城建学部,副教授, wufengwen123@126.com;2.北京工业大学建筑与城市规划学院,硕士 研究生
摘要:
本文针对历史古城中因人流分布不 均衡带来的街道空间活力问题,以空间句法 理论与方法为技术手段,选取平遥古城为研 究对象,通过对实测人流与空间句法模型指 标的回归分析得出与实测人流关联度最高的 句法参数,探讨平遥古城街道空间形态和商 业的空间布局对人流空间分布的联动影响机 制。研究表明:平遥古城的大尺度空间构成 效率与人流量强相关,行人出行活动的差异 是低效的街道空间形态和不完善的商业等级 结构所导致的。针对此问题,本文提出了织 补道路网络结构与锚固局部商业核心节点的 提升策略,旨在为历史古城的发展和保护提 供新的研究思路。
关键词:  空间构成效率  人群分布  空间形 态  商业布局  平遥古城
DOI:10.13791/j.cnki.hsfwest.20200309
分类号:
基金项目:
A Study on the Spatial Distribution of People Flow in Historical Ancient Cities Based onthe Efficiency of Spatial Composition: Taking the Main Commercial Streets of PingyaoAncient City for Instance
WU Fengwen,LI Liehang
Abstract:
The transformation and development of historical ancient cities often have spatial differences, which make the use of street space excessively concentrated and the distribution of people unbalanced, and finally lead to the phenomenon of the vitality of street space extremely prosperous and declining. From the perspective of spatial form, the accessibility and identifiability of the street will directly guide or hinder the pedestrian’s direction of action and path selection, which is the external condition affecting the distribution of the crowd. From the perspective of business function, the service nature, service object and spatial layout of shops will change the travel purpose of pedestrians, trigger the gathering and dispersion of people, which is the endogenous power that affects the distribution of people. In recent years, most of the domestic scholars use the quantifiable characteristics of spatial syntax to explain the distribution characteristics of the population in the historical ancient city from the perspective of spatial morphology and movement. However, most scholars divide the influencing factors of population distribution into multiple independent parts with different attributes, and consider little about the correlation between the influencing factors of human flow, lacking in-depth research on the interaction mechanism between the factors. Based on the existing research foundation, this paper creatively introduces the concept of spatial composition efficiency in spatial syntax, regards it as a bridge connecting spatial structure and commercial function, establishes the linkage relationship between them, and makes a multi-level, multi-angle and comprehensive discussion on the influence mechanism of spatial distribution of people. The results show that: 1) The spatial composition efficiency model with a radius of 1 200 m can better represent the measured distribution of people flow, but the population dynamics will be affected by the distribution of various types of businesses; 2) The inefficient spatial form of streets will lead to the uneven layout of commercial facilities, and form the spatial differentiation phenomenon of the core street shops piled up and the local streets and lanes with few people; 3) The level of commercial center is not perfect, and it is difficult to form a reasonable level. The flow of people into the streets is hindered by the business network. Based on this, this paper thinks that repairing the road structure and improving the business hierarchy can effectively improve the overcrowding phenomenon of Pingyao Ancient City, and expects to achieve the purpose of moderate crowd gathering and balanced development of the ancient city. Under the background of stock renewal, this study, through quantitative regression analysis and qualitative description, makes some tentative exploration on the research ideas and analysis methods of the spatial distribution characteristics of the population in the historical ancient city, and puts forward practical and scientific improvement strategies, hoping to provide valuable enlightenment for the renewal and protection of the historical ancient city, and also hopes to expand the space syntax model in the city.
Key words:  Configurational Efficiency  Population Distribution  Spatial Form  Business Layout  Pingyao Ancient City