基于既有高铁车站改造条件下的站城融合建筑设计实践与思考OA

[Objective]As China's high-speed railway network enters the stock-based development stage,numerous existing passenger stations are facing the urgent demand for upgrading and renovation while maintaining normal operation.Therefore,it is imperative to explore architectural design paths for station-city integration under the renovation constraints of existing stations.[Methods]Taking Suzhou North Railway Station as a typical case,this study was based on its 801 600 m2 expansion scale and the engineering scenario of integrating new and existing station buildings.Guided by the core concept of"track weaving and station-city symbiosis,"the design practice focused on two major themes:circulation organization and spatial reconstruction.[Results]At the circulation level,a 5 m high exit and re-enter floor was introduced to reconstruct the conventional linear circulation mode of elevated stations characterized by upper-floor entry and lower-floor exit,constructing a convenient three-dimensional transfer system.Aerial walkways,ground corridors,and underground spaces were connected to form a multi-dimensional pedestrian network.A"three-network integration,fast-slow traffic separation"vehicle circulation system was formed to achieve human-oriented efficient accessibility.At the spatial level,core spaces were created drawing on the spatial aesthetics of Suzhou gardens.The"South Light Valley"employed a spatial weaving strategy to introduce a vertical transfer hall connecting new and existing station buildings,and the"North Light Valley"adopted a semi-outdoor strategy to integrate transportation and urban attributes.The existing station buildings employed a"phased renovation,dynamic weaving"strategy to release ground-level space back to the city.Through differentiated spatial scales and scene creation,a rich spatial narrative experience was formed.At the implementation support level,a full-cycle guarantee system integrating pre-assessment,functional relocation,phased renovation,and dynamic monitoring was established,ensuring safe project delivery under simultaneous operation and construction conditions.[Conclusion]Three design strategies are summarized:introducing an independent exit and re-entry floor to reconstruct circulation and release ground-level space,using core modes to anchor spatial sequences and promoting the transformation from transportation hubs to urban public living nodes,and establishing a full-cycle guarantee system to support safe delivery under simultaneous operation and construction conditions.These strategies provide a reference for the renovation of similar stations.