Study on the optimal allocation of public service facilities from the perspective of living circle—A case study of Xiangyang High-tech Zone, China

IF 3.9 2区 社会学 Q1 URBAN STUDIES
Jiandong Peng , Yue Liu , Zehan Ruan , Hong Yang
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引用次数: 1

Abstract

The equitable allocation of public service facilities is directly related to the healthy development and socially just functioning of cities. Traditional location-allocation models mostly take travel distance and facility construction cost as the decision-making objectives, with relatively single optimization objectives, and are not sufficiently adaptable to reality. The introduction of the accessibility analysis and the concept of equalization of public services diversify the objectives of urban public service facility optimization decisions. The construction of the circle of life is based on residents' behavior and helps to improve its adaptability in the configuration of public services. This study evaluates the accessibility of eight types of public service facilities in Xiangyang High-tech Zone, China, from a Living Circle perspective, based on the Gaussian Two-step Floating Catchment Area (G2SFCA) method. We integrate the advantages of the Minimum Facility Point (MFP) model, Maximum Covering Location Problem (MCLP) model, and P-Median model to address the equity and efficiency issues in facility configuration, and seek the optimal layout scheme under the fairness objective. Results showed that after using the improved location-allocation models, the maximum travel time for residents was reduced from 76 ​min to 13 ​min, and the average travel time was reduced from 19 ​min to 8 ​min. Additionally, the coverage rate of the facilities increased from an average of 57% to 97%, and the spatial layout of facilities was more rational. The research results contributed to the study of spatial problems and spatial equity in facility allocation.

生活圈视角下的公共服务设施优化配置研究——以襄阳高新区为例
公共服务设施的公平配置直接关系到城市的健康发展和社会功能的公正。传统的区位配置模型多以出行距离和设施建设成本为决策目标,优化目标相对单一,对现实的适应性不足。可达性分析和公共服务均等化概念的引入使城市公共服务设施优化决策的目标多样化。生活圈的构建以居民的行为为基础,有助于提高其在公共服务配置中的适应性。基于高斯两步浮动集水区(G2SFCA)方法,基于生活圈视角对襄阳高新区8类公共服务设施可达性进行评价。综合最小设施点(MFP)模型、最大覆盖区位问题(MCLP)模型和p -中值模型的优势,解决设施配置中的公平性和效率问题,寻求公平性目标下的最优布局方案。结果表明,采用改进的区位分配模型后,居民的最大出行时间从76 min减少到13 min,平均出行时间从19 min减少到8 min。设施覆盖率由平均57%提高到97%,设施空间布局更加合理。研究结果有助于研究设施配置的空间问题和空间公平性。
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来源期刊
CiteScore
9.50
自引率
4.90%
发文量
45
审稿时长
65 days
期刊介绍: Journal of Urban Management (JUM) is the Official Journal of Zhejiang University and the Chinese Association of Urban Management, an international, peer-reviewed open access journal covering planning, administering, regulating, and governing urban complexity. JUM has its two-fold aims set to integrate the studies across fields in urban planning and management, as well as to provide a more holistic perspective on problem solving. 1) Explore innovative management skills for taming thorny problems that arise with global urbanization 2) Provide a platform to deal with urban affairs whose solutions must be looked at from an interdisciplinary perspective.
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