基于空间句法的城市住宅遗产空间识别、划定和潜力评估模型

Yukun He, Keji Chen, Xiao Han
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摘要

在后现代化时代,城市空间的深刻变革导致了当代城市遗产空间构成范式的重大转变。对这一过程的研究对于阐明城市遗产现代化转型的空间路径和构成变化至关重要。本研究旨在通过对中国和日本历史名城的城市遗产民居空间范式的比较分析,建立具有历史特征和遗产潜力的城市民居环境空间结构的识别指标和评估体系。首先,本研究以空间综合理论为基础,选取苏州平江历史街区和宇治中寺街区的城市住宅遗产作为研究案例。利用路网数据,分析城市遗产空间的生活集成(Int.VR1000)和全球集成(Int.VR5000),从而构建遗产空间的空间拓扑系统。其次,采用建筑密度熵、空间形态熵、功能混合熵等城市空间熵指标对空间结构进行定量描述,从而建立遗产空间形态结构指标体系。最后,利用空间聚类方法将空间拓扑系统与形态结构指标系统集成,形成城市民居遗产空间的特征模型。研究结果表明,居住空间范式的转型路径主要受空间拓扑的影响,从功能布局、建筑密度和空间形态三个方面影响居住遗产空间的结构。这一现象反过来又影响了人口分布和居住空间的迁移。但与此同时,街巷空间的 "阻力效应 "和建筑形式对空间功能的限制又保护了内部空间的完整性和真实性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Residential urban heritage space identification, delimitation, and potential assessment model based on space syntax
In the era of post-modernization, profound transformations in urban spaces have led to significant shifts in the spatial composition paradigms of contemporary urban heritage. Research on this process is crucial for elucidating the spatial pathways and compositional changes in the modernization transformation of urban heritage. This study aims to establish identification indicators and assessment systems for the spatial structure of urban residential environments exhibiting historical characteristics and heritage potential through a comparative analysis of residential urban heritage spatial paradigms in historic cities in China and Japan. First, grounded in space syntax theory, this study selected residential urban heritage in Suzhou’s Pingjiang Historic District and Uji’s Nakauji District as research cases. Utilizing road network data, this study analyzed the Life Integration (Int.VR1000) and Global Integration (Int.VR5000) of urban heritage spaces, thereby constructing a spatial topology system for heritage spaces. Second, the study employed urban spatial entropy indicators, such as architectural density entropy, spatial morphology entropy, and function mixing entropy, to quantitatively describe the spatial structure, consequently establishing a heritage space morphological structure indicator system. Finally, spatial clustering methods are used to integrate the spatial topology system with the morphological structure indicator system, resulting in a feature model for residential urban heritage spaces. The research results indicate that the transformation path of residential space paradigms is mainly influenced by spatial topology, affecting the structure of residential heritage spaces in three aspects: functional layout, building density, and spatial form. This phenomenon, in turn, impacts population distribution and the migration of living spaces. However, at the same time, the “resistance effect” of street and lane spaces and the limitations of architectural forms on spatial functions have protected the integrity and authenticity of the internal space.
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