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杭州湖滨国际名品街塔楼工程改造范围非常广,结构设计难度非常大。主要的改造内容有:1)东塔的底部拆除两层楼板,新加一层楼板;2)西塔的底部拆除三层楼板,新加两层楼板;3)两塔通过新增的三层裙房和标准层连廊连为一体,形成了带错层的连体结构,结构的体型发生了重大变化。从整体结构出发,讨论结构体系的选择。通过调整结构布置来优化各项抗震指标,进而深化局部构件的加固和关键构件的节点设计,并分析了这些构件的优缺点。
Hangzhou Hubin International Famous Street tower project is very wide range of structural transformation, structural design is very difficult. The main modifications are: 1) Remove two floors at the bottom of East Tower and add a new floor; 2) Remove three floors at the bottom of West Tower and add two new floors; 3) Housing and standard corridor as a single entity, forming a split with the Siamese structure, the structure of the body has undergone major changes. Starting from the overall structure, discuss the choice of structural system. By adjusting the structure layout to optimize the seismic indicators, and then deepen the strengthening of local components and key components of the node design, and analysis of the advantages and disadvantages of these components.