丁浩，沈建平

（浙江省建筑设计研究院，杭州 310006）

 

［摘要］杭州萧山国际机场第二国内航站楼（T3航站楼）是杭州机场从大型机场向区域性枢纽机场转变的标志。其屋面体型复杂，需通过风洞试验确定其体型系数，并与规范中的类似结构作出对比。屋盖悬挑长度较大，指廊处网架屋盖外沿距框架柱边超过25m, 通过设置斜向摇摆柱减小其内力和竖向位移，进而减小网架厚度以满足建筑外形。主楼处用三角形钢管桁架、摇摆柱、侧向刚架形成复杂空间整体组合结构，控制住了钢屋盖在风荷载作用下的侧向位移。设计对由风荷载产生的边柱拔力做了综合分析，采取了相关的构造措施。结构总体计算使用PMSAP程序，对构件重要节点使用ANSYS程序进行大样分析。

［关键词］风洞试验；网架；钢管桁架；摇摆柱；大样分析

中图分类号：TU 391-4文献标识码：A文章编号：1002-848X(2012)08-0023-04

 

Ding Hao, Shen Jianping

(Zhejiang Province Institute of Architectural Design and Research, Hangzhou 310006, China)

 

Abstract: The No.2 domestic terminal (T3 Terminal) of Hangzhou Xiaoshan International Airport is a symbol of the conversion from a large airport to a regional hub airport. The shape coefficient of complex roof was decided by the wind tunnel test which is different to the standard. The cantilever length from the space grid roof outer edge to the frame columns is larger than 25m, the sway columns are used to reduce the internal force and the vertical displacement of the space grid, and the thickness of the space grid is reduced to meet the architectural appearance. The triangle steel pipe trusses, the sway columns and the lateral rigid frames compose a complex combined space structure，which controls the lateral displacement of the steel roof acted by the wind. The design analyzed the uplift force under wind load of the side columns, and took the relevant construction measures.The software PMSAP was selected to carry on the overall structure analysis, and the software ANSYS to carry on the sample analysis of important node.

Keywords: wind tunnel test; space grid; steel pipe truss; sway column; sample analysis

作者简介：丁浩，高级工程师,一级注册结构工程师,Email:956267561@qq.com。

 

［1］GB 50009—2001 建筑结构荷载规范［S］.2006年版. 北京：中国建筑工业出版社，2006.

［2］石碧青, 许平生, 王钦华, 等.杭州萧山国际机场二期工程国内航站楼风洞试验报告［R］.广东:汕头大学风洞实验室，2010.