Availability and Adequacy of Facilities in 15 Minute Community Life Circle Located in Old and New Communities

Abstract

The 15 minute Community Life Circle (15 min-CLC) concept is an urban planning approach that aims to provide various daily services for citizens within a short distance. It has been widely adopted in China, especially in large cities. However, there is a lack of research on how to apply the 15 min-CLC concept in second-tier cities, which have high population densities and lower quality of life. This study chose Jinan City as a case study to explore the underdeveloped areas and facilities of 15 min-CLCs in rapidly developing and medium-size cities, called second-tier cities. First, it analyzed the distribution of facilities and residential POIs in old communities, new communities, and the whole city, to find out which types of facilities are missing at the community level. Second, it examined the relationship between facilities and population in each 15 min-CLC by using the Facility to Population Ratio (FPR), to evaluate the sufficiency of facilities to meet the daily needs of residents. Through the analysis of facility distribution and Facility to Population Ratio, our study found that old communities have all the required facility types within each 15 min-CLC, but they do not have enough number of facilities to support the population. At the same time, identified the underdeveloped regions and provided specific development directions for each 15 min-CLC. The FPR methodology developed in this study can be used to evaluate whether the existing facilities can meet the daily needs of residents in a certain region.

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