［摘要］南京禄口国际机场交通中心工程结构平面狭长，抗扭刚度很弱；局部楼层层高相差极大，容易形成极弱的薄弱层；设备层存在较多转换大梁；标准层楼面有较大开洞，形成两排单跨框架结构等。针对工程结构特点，结合抗震规范要求，提出了若干适当技术措施，使主体结构具有较好的承载和变形能力；并对主体结构进行了详细的弹性和弹塑性分析，找出结构潜在薄弱环节，为工程设计提供参考；最后介绍了结构的关键部位设计。

［关键词］结构设计；型钢转换梁；屈曲约束支撑；单跨框架结构；弹塑性时程分析；抗震性能；弦支穹顶

中图分类号：TU318-2文献标识码：A文章编号：1002-848X(2012)05-0135-05

 

Tao Xianghua (East China Architectural Design & Research Institute Co., Ltd., Shanghai 200002, China）

 

Abstract: Nanjing Lukou International Airport Transportation Center is a high-rise building with the following structural features：narrow and long floor plan, weak torsional rigidity; large floor-to-floor height difference, which in turn will form weak story; lots of transfer girders at the mechanical floor; large openings at typical floors, forming two rows of single span frames, etc. Considering structural features and seismic codes, number of technical measures were proposed in order to increase the structural bearing and deforming capacity. Elastic and elasto-plastic analysis were performed for the main structure in order to identify the potential weakness of the structure and provide insight information for the design. In addition, design of key structural members was reviewed in emphasis as well.

Keywords: structural design; SRC transfer girder; buckling restrained brace; single span frame; elasto-plastic time-history analysis; aseismic performance; suspen-dome

作者简介：陶湘华，硕士，一级注册结构工程师，Email：xianghua_tao@ecadi.com。

 

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