摘要
高密度城市建设一直是亚洲城市的普遍特征,在解决人地矛盾的同时,也使城市的健康、安全和生态风险逐渐增加。伴随着新冠疫情的暴发,管控合理城市密度的呼声也越来越高。本文通过梳理国内外城市密度的相关理论研究,选取地块容积率、建筑高度和开放空间率三个变量,从地块尺度定义城市密度,并认为城市密度存在适宜的"中密度"临界值,中密度可实现城市综合效益的最大化。同时,结合亚洲典型大城市的密度分区和管控经验研究,本文提出我国大城市建设的适宜"中密度",即中等开发强度、更多的开放空间和多样的建筑高度,并建议构建"橄榄型"密度分区模型引导城市建设向"中密度"靠近。
High-density city construction has always been a common feature of Asian cities.While solving the man-land contradiction,it has indeed increased the health,safety and ecological risks of the city.With the outbreak of the Coronavirus Disease 2019(COVID-19),the call for reasonable urban density is increasing.By reviewing the relevant researches on urban density at home and abroad,it is believed that FAR,building height and open space rate are the three key indicators to define urban density in block scale,and there is a"medium density"which can maximize the overall benefits of the city.Combining with the researches on density zoning of typical Asian metropolises,this paper gives the appropriate indicators for"medium density"of Chinese metropolises(medium intensity,more open space and diverse building heights),and proposes to build"olive structure"of density zoning to guide urban construction towards medium density.
作者
郑德高
董淑敏
林辰辉
Zheng Degao;Dong Shumin;Lin Chenhui
出处
《国际城市规划》
CSSCI
CSCD
北大核心
2021年第4期1-9,共9页
Urban Planning International
基金
“十三五”国家重点研发计划课题(2018YFC0704606)。
关键词
中密度
容积率
建筑高度
开放空间率
城市密度分区
城市综合效益
规划管理
建设容量
Medium Density
FAR
Building Height
Open Space Rate
Urban Density Zoning
Comprehensive Urban Benefits
Planning Administration
Building Capacity
