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Study on Dual Strategies for a Local City in the Aging Society-Planned Retreat from Suburban Areas and Restructuring of Central Built-Up Areas

地方城市老龄化双重战略研究——有计划的郊区退出与中心城区重构

基本信息

批准号：
16206053
负责人：
HAYASHI Yoshitsugu
金额：
$ 28.95万
依托单位：
Nagoya University
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (A)
财政年份：
2004
资助国家：
日本
起止时间：
2004 至 2006
项目状态：
已结题

项目摘要

This study, of which Toyota City in Aichi Prefecture is selected as a case, shows that the dual strategies, namely "planned retreat from suburban areas" and "restructuring of central built-up areas" are required for Japanese local cities under the rapid population decline and aging, and indicates the practical methodologies for implementation.1. Examination of future situation: Quality of Life (QoL), infrastructure maintenance cost, and environmental load are the fundamental factors for analyzing sustainable urban form, and that the necessity for dual strategy is indicated. The reduction effect of infrastructure maintenance cost by compact urban area is evaluated through Generation Accounting method.2. Evaluation indices for political goals : A multi-dimensional methodology for evaluating QoL, infrastructure maintenance cost, and environmental load is developed. This is applied to the examination of urban form, and the result shows that cluster-typed urban form is appropriate in terms of QoL improvement.3. Physical design of built-up areas : The automatic generation system for 3-dimensional virtual urban form to examine the design of a built-up area is developed. Comparison of several design scenarios shows the importance of down zoning policy. Maximal potential market for neighborhood car sharing is investigated considering optimization of car use within household. Results of empirical analysis suggest that household fleet can be reduced by about 35% on weekdays and about 55% on weekends.4. Management scheme: The roles of private nonprofit organization in the development of a densely built-up area are identified by the research about the advanced case examples. The containment of development in farmland by TDR (Transfer of Development Rights) and its impacts for urban greening are examined.

本研究以爱知县丰田市为例，说明了在人口急剧减少和老龄化的情况下，日本地方城市需要“有计划地从郊区撤退”和“重建中心建成区”的双重战略，并指出了切实可行的实施方法。审查未来情况：生活质量、基础设施维护成本和环境负荷是分析可持续城市形态的基本要素，指出了双重战略的必要性。通过发电量核算方法评估紧凑型城市地区降低基础设施维护成本的效果。政治目标的评价指标：一个多维的方法来评估生活质量，基础设施的维护成本和环境负荷。并将其应用于城市形态的检验，结果表明，集群型城市形态对生活质量的改善是适宜的.建成区物理设计：开发了用于检验建成区设计的三维虚拟城市形态自动生成系统。几种设计方案的比较显示了分区策略的重要性。考虑家庭内部汽车使用的优化，研究了邻里汽车共享的最大潜在市场。实证分析的结果表明，家庭车队可以减少约35%的工作日和约55%的周末.管理方案：通过对先进案例的研究，明确了民间非营利组织在城市密集区发展中的作用。探讨了土地开发权转让对农地开发的遏制作用及其对城市绿化的影响。