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吉达国际机场曲面幕墙钢结构设计
王斌,李永春,郑胜林,俞唯贤,王琳赟
摘 要
(江河创建集团股份有限公司,北京 101300)
 
[摘要]吉达国际机场钢结构幕墙面积达12万m2,单侧延伸长度达1 655m,主要的钢结构幕墙为曲面幕墙形式。建筑设计要求采取尺寸较小的杆件截面以确保外观尽可能通透;结构设计要求实现幕墙钢结构可相对主体结构在平面内独立变形的功能。为实现上述要求,采用由撑管和大跨度椭圆管横梁组成的钢结构体系,在满足结构设计要求的前提下,采用较小截面尺寸的杆件构成曲面钢结构。通过在连接的节点处采取适当的措施,以满足幕墙支撑结构和主体钢结构在平面内无相互影响的要求,同时也较好地解决了超长幕墙钢结构体系跨越主体结构伸缩缝的情况。
[关键词]吉达国际机场; 曲面幕墙; 幕墙支撑结构; 撑管; 大跨度椭圆管横梁
中图分类号:TU398+.7      文献标识码:A      文章编号:1002-848X(2015)01-0064-03
 
Steel structural design of curved curtain wall of Jeddah International Airport in Saudi Arabia
Wang Bin, Li Yongchun, Zheng Shenglin, Yu Weixian, Wang Linyun
 (Jangho Curtain Wall Co., Ltd., Beijing 101300, China)
 
Abstract: The area of steel structure curtain wall of Jeddah International Airport in Saudi Arabia is 120 000 m2, whose spread length for one side is 1 655m.The main steel structure curtain wall type is curved curtain wall. Transparent vision with small section components was required by the architecture design, while steel structure curtain wall was required by the structural design to deform relative to the main structure independently in plane. In order to achieve above requirements, the steel structural system which was composed of struts and large-span oval tube beams was adopted and small section components were used in curved steel structure to fulfill the requirements of the structural design. Some proper measures in the connection joints were adopted to make the facade supporting structure move relative to the main structure independently in plane and in the meanwhile solve the problem of main structure expansion joints spanned by super-long steel structure curtain wall.
Keywords: Jeddah International Airport; curved curtain wall; facade supporting structure; strut; large-span oval tube beam
作者简介:王斌,高级工程师,一级注册结构工程师,Email: brucewang0909@gmail.com。
 
参考文献
[1]ASCE 7-05 Minimum design loads for buildings and other structures [S]. Reston:American Society of Civil Engineers,2006.
[2]AISC 360-05 Specification for structural steel buildings[S].Chicago:American Institute of Steel Construction Inc, 2005.
[3]GB 50017—2003 钢结构设计规范[S].北京:中国计划出版社,2003.
[4]刘枫,马宏睿,赵晓花,等. 重庆江北国际机场超长单层索网幕墙结构设计[J].建筑结构,2011,41(10):50-53.
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