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上海虹桥协信中心由T1~T10共10栋单体组成商业办公综合体,采用外围稀柱与内部近似密柱相结合的框架结构体系。工程设计时选用SATWE、PMSAP、PUSH等程序对T1、T6组成的大底盘双塔超限结构进行多遇地震、设防地震以及罕遇地震作用下的抗震分析和性能化设计,使其满足了三水准抗震设防目标和要求;并对设置斜柱的其他单塔结构采用SATWE、PMSAP进行包络设计。计算结果表明,本工程结构体系和构件具有较好的抗震性能和安全储备。文中阐述了为满足建筑功能要求而采用的多梁交汇宽扁梁节点的计算分析与构造措施,可供相似工程设计参考。
Shanghai Hongqiao Association letter center from T1 ~ T10 a total of 10 monomers to form a commercial office complex, the use of external peripheral columns and the internal structure of the approximate combination of dense column structure. Engineering design selected SATWE, PMSAP, PUSH and other procedures for T1, T6 composed of large chassis double tower over-limit structure of frequent earthquakes, fortified earthquakes and rare earthquake under the action of seismic analysis and performance design to meet the three Level anti-seismic fortification goals and requirements; and set the other inclined column column structure using SATWE, PMSAP envelope design. The calculation results show that the structural system and components of the project have better seismic performance and safety reserve. In this paper, the computational analysis and structural measures of multi-beam intersected wide flat beam joints used to meet the requirements of building functions are described, which can be used as a reference for similar projects.