郑良知1，许秀珍1，黄本才2

（1 上海中巍结构设计事务所有限公司， 上海 200135； 2 同济大学航空航天与力学学院， 上海 200092）

 

［摘要］天幕工程长540m、宽31.2m，其高低起伏的空间管桁架不仅需满足建筑创意的效果，在复杂的风荷载、温度作用下还需要满足结构的弹塑性动力计算、稳定分析以及构造简洁易于施工方面的要求，从而设计出较完美适用的结构。介绍了此空间桁架结构方案的确定，并通过风洞数值模拟计算确定风振系数及荷载，进行了考虑几何非线性和材料非线性的荷载-位移全过程分析以及节点强度分析，最后得到几点设计体会。

［关键词］空间桁架； 非线性分析； 稳定分析； 风振系数

中图分类号：TU393.3       文献标识码：A       文章编号：1002-848X(2013)16-0044-05

 

Zheng Liangzhi1, Xu Xiuzhen1, Huang Bencai2

 (1 China Majesty Structure Design Office Co., Ltd., Shanghai 200135, China; 2 School of Aerospace Engineering and Applied Mechanics, Tongji University, Shanghai 200092, China)

 

Abstract: The tentorium is 540m in length and 33.2m in width. The space tube truss with rising and falling should not only meet the requirements of architecture creative effect, but also the requirements of dynamic elastic-plastic calculation, stability analysis and easy simple construction under the complex wind loads and temperature loads. Selection of the structural system was introduced. By wind-driven numerical simulation calculation, wind vibration coefficients and loads were determinated. Considering geometric and material nonlinearity, analysis of loaddisplacement of the whole process and the analysis of joints strength were carried out. Finally some experiences were got in the design of the project.

Keywords: space truss; nonlinear analysis; stability analysis; wind vibration coefficient

作者简介：郑良知，高级工程师，一级注册结构工程师，Email：zjlzzheng@126.com。

 

［1］苏州工业园区天幕平均风压数值风洞模拟（二）［R］.上海：同济大学，2007.

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