杜  刚
    （铁道第三勘察设计院集团有限公司，天津 300251）

[摘要] 北京南站是一座集普通铁路、高速铁路、市郊铁路、城市轨道交通、公交及出租等市政交通设施于一体的大型综合交通枢纽工程，其雨篷结构体系首次采用了A字形塔架柱和工字钢悬垂梁组成的空间结构体系。探讨了北京南站雨篷新型结构体系选型原理及特点，并对雨篷结构进行了包括静力分析、地震分析、整体稳定分析及构件有效长度计算在内的详细分析。研究表明，北京南站采用的新型结构体系不仅满足静力荷载组合下的安全要求，而且具备良好的抗震效果，是一种经济、安全、高效的空间结构形式。
[关键词] 北京南站；雨篷；受力分析
中图分类号：TU328    文献标识码：A    文章编号：1002-848X(2011) Sl-0747-05

Press analysis of the new structure system in Beijing South Station Canopy
    Du Gang
    ( Third Railway Survey ＆Design Institute Group Corporation, Tianjin 300251,  China)

Abstract: Beijing South Station is a large - scale synthesis traffic hub engineering wluch is integratedincluding ordinary railway, high - speed railway, suburban railway, urban rail transportation, public transportation and renting such municipal transportation facilities. Its canopy structure system engmeering, which first adopted of alphabet "A" tower column and character "I" overhung beam to form the spatial structure system. Tlus paper probes into Beijing South Station selection principle and features in the new structure system of the canopy, and the detailed analysis ofits structure including static analysis, seismic analysis, the overall stability analysis and calculation of the length of the components. Studies show that the new structure of Beijing South Station system not only meets the security requirements under the static load combination, but also has good anti-seismic effect. It is a kind of economic, safe, efficient space structure.
Keywords: Beijing South Railway Station; canopy; stress analysis