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轻钢结构施工过程风荷载取值探讨
郭长江1，徐志2
摘 要

 

（1中国新兴开发建设总公司，北京100039; 2北京交通大学土建学院，北京 100044）
 
 
[摘要] 轻钢结构工程在施工过程中各构件陆续安装就位，不但体系的力学性能与设计时用以计算和分析的完整体系不同，其风荷载也和使用阶段有较大差异。依托某轻钢光棚工程，采用商用CFD软件 FLUENT，分别计算0°和45°两个风向角时各榀刚架上的风压系数分布，探讨施工过程中屋盖上的风荷载取值，为同类结构施工验算提供参考。
[关键词] 轻钢;施工;风压系数
中图分类号：TU392      文献标识码：A      文章编号：1002-848X(2013)S1-0982-03
 
Discuss on the value of wind loadings of light-weight steel structures during construction process
Guo Changjiang1, Xu Zhi2
(1 China Xinxing Construction & Development General Co., Beijing 100039, China; 2 School Of Civil Engineering, Beijing Jiaotong University, Beijing 100044, China)
 
Abstract: Not only the structure systems but also the loadings of light-weight steel structures are varying during the construction process. Therefore, one typical light-weight project has been analyzed with CFD software FLUENT as an example to obtain the changing regularity of wind loadings in this paper. Two wind direction angles with 0°and 45°are considered in the numerical simulation and the values of wind pressure coefficients are calculated. Moreover, the wind loading results can be applied to similar structures
Keywords: light-weight structure; construction; wind pressure coefficient
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