(同济大学建筑设计研究院，上海 200092)

［摘要］铁岭体育馆工程是局部带有大悬挑平台的单层网壳结构工程。介绍了大跨度网壳的结构布置特点、静力性态分析、动力响应分析与非线性屈曲分析，同时给出鼓形节点的计算结果。结构前方有近7m的大悬挑平台且平台端部荷载较重，采用预应力悬挑梁+钢管混凝土斜柱方式承担大悬挑弯矩作用。分析方法、结果及设计方法可供类似结构的分析、设计参考。

［关键词］单层网壳；动力响应分析；非线性屈曲分析；大悬挑结构

Structure Design of Steel Roof and a Large Overhang Platform in Tieling Gymnasium

Jin Gang,Lu Xiuli,Ding Jiemin,Wu Honglei,Yang Haitao (Architectural Design & Research Institute of Tongji University,Shanghai 200092,

China)

Abstract:The Tieling Gymnasium is a steel single-layer shell structure with a large overhang platform. Designs of steel shell structure,the linear analysis,the dynamical response analysis,nonlinear stability analysis,the analysis result of shell structure joint are presented. There is a large overhang platform in this structure which is loaded with the steel shell structure. The bending of this platform is beared by steel tubular column and prestressed concrete beam. The analysis method and result can be taken as reference to similar structures.

Keywords:single-layer shell structure; dynamical response; analysis; nonlinear stability; large overhang platform

参考文献

［1］沈祖炎，陈扬骥. 网架与网壳［M］. 上海：同济大学出版社，1997.