石永久  王  岚  侯建群
   （清华大学建筑设计研究院  北京 100084）

[提要]  在不改变招标文件要求的前提条件下，对2008年北京奥运会主体育场的主体钢结构方案进行了优化设计，通过对结构在不同荷载条件下的优化分析和设计，综合考虑了材料供应和施工的技术要求，提出了可供参考的设计建议。
[关键词]  国家体育场  结构优化  钢结构

The national stadium is the main stadium for the 2008 0lympic Games. The scheme of the main steel structure is introduced. The optimization analysis and technical design have been made under different load combinations and the requirements of material as well as construction also have been considered. The suggestions are proposed, which could be referred in practical design.
Keywords: the national stadium; optimization; technical design