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上海中心大厦的幕墙系统采用了独特的双层幕墙系统,其中内幕墙沿楼面边缘呈圆柱式布置,外幕墙平面呈圆角三角形,且呈现扭转收缩上升的几何形态,远离主体结构悬挂在上下两道加强层之间。由于外幕墙体量巨大、几何形态不规则,且采用柔性的支撑结构体系,给外幕墙的分析、设计、建造带来许多前所未有的技术挑战。对上海中心柔性悬挂式幕墙系统的建筑设计理念、几何形态、幕墙的风荷载研究、支撑结构体系选型及幕墙节点设计进行了介绍,可为类似工程提供有益的借鉴和参考。
The curtain wall system of Shanghai Central Tower adopts a unique double-wall system in which the inner curtain wall is arranged cylindrically along the edge of the floor, the outer curtain wall has a rounded triangle shape, and presents the geometric form of twisting and shrinking and rising, far away from the main structure Between the two layers of reinforcement. Due to the huge volume of external walls, irregular geometric shapes, and the use of flexible support structure, the analysis, design and construction of the external walls bring many unprecedented technical challenges. The architectural design concept, geometry, wind load of curtain wall, selection of supporting structure system and the design of curtain wall of flexible curtain wall system in Shanghai center are introduced, which can provide useful reference and reference for similar projects.