蔡凯臻

CAI Kaizhen

在我国当前的城市更新进程中，通过更新改造提升老旧住区的防灾安全，是加强城市公共安全建设和营造居民美好生活环境的必要举措。老旧住区更新改造的具体实践往往受到诸多难题和限制因素的阻碍，针对防灾安全的更新改造须展开针对关键问题、规划设计对策、组织实施机制的研究，分析与总结相关国际经验更是具有重要的推动作用。本文对日本东京京岛二、三丁目老旧住区的防灾更新改造实践进行梳理研究；在规划设计层面，总结土地整理与产权转换、住区空间与建筑改造的核心对策；从风险评估、项目引导、技术支持、资金补助、参与组织、法规保障6 个维度分析实施与支持机制；并从动态调适优化对策机制、产权转换破解土地限制、精准施策强化改造实效、支持制度提升参与意愿、常态治理推动持续发展、整合关联条款建立法规保障6 个方面，归纳具有借鉴价值的经验和思路。

In the current process of urban regeneration in China, renewal of old residential areas for promoting the disaster prevention safety is a necessary measure to strengthen urban public safety and create a better living environment for residents. The practice of renewal of old residential areas is often hindered by many difficulties and constraints. Renewal for disaster prevention is more necessary to carry out research on key issues, planning and design countermeasures, and organization and implementation mechanisms. It is very important to analysis and sum up the international experiences. This paper studies the practice of disaster prevention renewal of Kyojima 2-chome and 3-chome in Tokyo. At the level of planning and design, it summarizes the main countermeasures about land rearrange, property right transformation, space renovation and building renovation. It analyzes the implementation and support mechanism from the six dimensions including risk assessment, project guidance, technical support, financial subsidy and participating organization. It also summarizes experiences and ideas for reference from six aspects, including dynamic adjustment for optimization of countermeasures and mechanism, property right transformation for cracking land restrictions, precise implementation for strengthening the effectiveness, support institution for improving the willingness to participate, normal governance for promoting continuous development, integrated and related clauses for establishing legal safeguards.

蔡凯臻，博士，东南大学建筑学院，副教授。mycaikz@163.com

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