张  猛，  朱炳寅
    （中国建筑设计研究院，北京 100044）

[摘要] 工程地下室顶板为开大洞混凝土大跨结构。相关结构设计主要内容有：31m跨开大洞混凝土结构屋面在竖向荷载作用下的设计分析；开大洞屋面作为外墙顶支座承受水平荷载作用分析；复杂受力结构的多模型计算分析。
[关键词] 混凝土结构；大跨；预应力
中图分类号：TU378.4  文献标识码：A  文章编号：1002-848X(2011) Sl-0674-03

Beijing Customs underground garage long span concrete structure design
    Zhang Meng, Zhu Bingyin
    ( China Architecture Design and Research Group, Beijing 100044, China)

Abstract: The project basement roofis an open-hole long span concrete structure. Related design elements include: 31m long span concrete structure with large openings in the vertical load roof design and analysis, the extemal walls with large openings in the top of the roof to withstand horizontalload bearing analysis and the force structure of the complex multi-model analysis.
Keywords: concrete structure; long span; prestressed