“留改拆”理念下超大城市高架更新范式研究

Research on Renewal Paradigm of Elevated Roads in Megacities under Concept of “Remaining, Reconstructing and Removing”

摘要:

超大城市高架道路作为城市交通骨干，承载着交通疏导与城市风貌展示的双重功能，其更新改造是破解城市交通拥堵、优化城市空间品质、衔接城市总体规划的重要举措。以上海内环高架为研究对象，结合“内环年轻化”的具体要求，基于“留改拆”城市更新核心理念，通过政策分析及国内外案例对比，系统探讨超大城市高架更新的核心路径与模式创新，提炼可复制、可推广的超大城市高架更新范式，为同类超大城市高架道路更新提供理论支撑与工程实践参考。

Abstract:

As a backbone of urban traffic, an elevated road in megacity carries the dual functions of traffic guidance and urban landscape display. Its renewal and reconstruction are the important starting points for solving urban traffic congestion, optimizing spatial quality and connecting urban overall planning. Taking Shanghai Inner Ring Elevated Road as the research object, combined with the specific requirements of "Inner Ring Rejuvenation", based on the core concept of urban renewal of "Remaining, Reconstructing and Removing", and through policy analysis and case comparison at home and abroad, the core path and model innovation of elevated road renewal in megacities are systematically discussed, and the replicable and propagable renewal paradigm of elevated roads in megacities is refined, which provides theoretical support and engineering practice reference for the renewal of similar elevated roads in megacities.