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顶部斜拉式大跨多层钢框架结构分析与设计
丁祝红
摘 要

(同济大学建筑设计研究院(集团)有限公司, 上海 200092)

[摘要]西交利物浦大学太仓校区教学核心区整体呈圆环形,圆环下部有Y形河流穿过,通过设置抗震缝将三处大跨结构与整体结构分离,避免大跨结构对相邻标准教学区域产生影响。跨河道大跨结构地上3层,结构高度14.96m,结构最大跨度约38.8m。通过借鉴桥梁结构及以往类似项目经验,采用顶部斜拉式大跨多层钢框架结构体系。重点阐述了结构体系选型和优化过程,并详细介绍了结构分析与设计过程中的技术要点。研究结果表明,顶部斜拉式大跨多层钢框架结构体系在采取适当的分析及构造措施的情况下,结构传力途径明晰、受力合理,同时能达到较好的建筑效果。

[关键词]大跨结构; 钢框架结构; 结构选型; 顶部斜拉

中图分类号:TU398-7文献标识码:A文章编号:1002-848X(2021)01-0006-07

 

Analysis and design of a top-cable-stayed large-span multi-storey steel frame structure

DING Zhuhong

(Tongji Architectural Design (Group) Co., Ltd., Shanghai 200092, China)

Abstract:The teaching core area of Taicang campus of Xi′an Jiaotong-Liverpool University has a circular ring shape as a whole. There is a Y-shaped river passing through the lower part of the ring. Three large-span structures are separated from the whole structure by setting seismic joints, avoiding the influence of large-span structure on adjacent standard teaching area. The large-span structure crossing rivers has three floors above ground. The height of the structure is 14.96m, and the maximum span is about 38.8m. By learning from the bridge structure and previous experience of similar projects, the top-cable-stayed large-span multi-storey steel frame structure system was adopted. The selection and optimization process of structural system were emphasizesd and the technical points in the process of structural analysis and design were introduced in detail. The results show that the top cable-stayed large-span multi-storey steel frame structure system can achieve a better construction effect with a clear and reasonable force transmission path under the condition of appropriate analysis and construction measures.

Keywords:large-span structure; steel frame structure; selection of structure system; top-cable-stayed

 

作者简介:丁祝红,硕士,工程师,Email:32dzh@tjadri.com。

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