天津国家会展中心展厅钢结构设计

Steel Structure Design of Exhibition Hall of Tianjin National Convention&Exhibition Center

天津国家会展中心展览大厅地上钢结构采用了梯形四弦桁架和人字柱的结构形式,最大跨度达到84m。本文对展厅结构布置及设计条件做出了详细说明,分析了结构的振型特征和设计组合下的内力分布情况,结合抗震性能化目标分析了结构在中震不屈服要求下的应力状态,并针对复杂节点进行了ANSYS有限元模拟。

The exhibition hall of Tianjin National Convention&Exhibition Center adopts trapezoid four-string truss and herringbone column structure,max span up to 84m.This article gives a detailed description of the structural arrangement and design conditions of the exhibition hall,analyzes structural mode characteristics and internal force distribution under the design combination,studies the stress state of the structure under the requirement of unyielding during moderate earthquake combined with the seismic performance target,and conducts ANSYS finite element simulation for complex nodes.