王孟鸿¹  郝际平¹  马凤鸣²  侯开东²  方敏勇¹  王迎春¹
（1 西安建筑科技大学 710005； 2 中国第三冶金建设公司  鞍山 114000）

[提要]  较详细地介绍了直径37.40m，总高30.27m的陕西省自然博物馆球幕影院的网壳设计过程。设计采用XJ DST-1钢网架辅助设计软件，结构分析采用了基于U．L列式的薄壁构件空间梁一柱单元。除考虑网壳的强度、刚度外，还分析了单层球壳的屈曲模态和振动模态的形式，通过非线性分析，跟踪了网壳屈曲的全过程。针对该项目进行了风洞试验，利用球形网壳的风压云图进行了风载验算。设计方法可供同类工程参考。
[关键词]  单层球面网壳  非线性分析  屈曲分析  网壳设计

The spherical dome design procedure of cinema used in Nature Museum of Shanxi Province is introduced in detail. The diameter of spherical dome is 37.40m and overall high is 30.27m. Design software XJDST-1 is used which includes space beam-column element of thin wall structure based on U.L formulation. The buckling and dynamical model of single layer spherical dome is analyzed except the intensity and rigid about spherical dome, buckling procedure of the latticed structure is traced. A wind tunnel test for the project is made and the nephogram of wind pressure is used for checking strength. The method of design can be a reference for the same project.
Keywords: single layer spherical dome; nonlinear; buckling; analysis; spherical latticed; structure design