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复杂支承条件下空间网架的静动力结构分析是网架分析中比较困难的一类问题。使用通用有限元分析软件对作者参与的深圳市民中心空间网架设计原方案进行了静动力结构分析 ,并对原设计方案进行了结构优化与调整。优化调整后的结构较原方案更有效地利用了材料的承载能力和结构刚度的整体性 ,从而既提高了结构的承载力和刚度 ,又降低了钢材的使用量。文中所给出的分析方法可供同类工程参考。
The static and dynamic structural analysis of space truss under complicated supporting conditions is a kind of difficult problem in truss analysis. The common finite element analysis software is used to analyze the static and dynamic structure of the original scheme of the Shenzhen Civic Center Space Grid Design, and the structural optimization and adjustment of the original design scheme are carried out. The optimized structure is more effective than the original scheme to take advantage of the bearing capacity of materials and the structural rigidity of the integrity, so as to not only improve the bearing capacity and stiffness of the structure, but also reduce the amount of steel used. The method of analysis given in this paper is available for reference to similar projects.