|本期目录/Table of Contents|

[1]李波,杨庆山,黄韬颖.中、美、澳荷载规范关于脉动风特征的规定[J].建筑科学与工程学报,2008,25(03):22-25.
　LI Bo,YANG Qing-shan,HUANG Tao-ying.Prescript of Wind Turbulence Characteristics in Chinese, American and Australian Load Codes[J].Journal of Architecture and Civil Engineering,2008,25(03):22-25.
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中、美、澳荷载规范关于脉动风特征的规定(PDF)
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《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

卷:
25卷
期数:
2008年03期
页码:
22-25
栏目:
出版日期:
2008-09-20

文章信息/Info

Title:
Prescript of Wind Turbulence Characteristics in Chinese, American and Australian Load Codes
作者:
李波，杨庆山，黄韬颖
北京交通大学土木建筑工程学院,北京100044
Author(s):
LI Bo, YANG Qing-shan, HUANG Tao-ying
School of Civil Engineering and Architecture, Beijing Jiaotong University, Beijing 100044, China
关键词:
风荷载;  脉动风;  湍流强度;  湍流积分长度;  脉动风速功率谱
Keywords:
wind load;  wind turbulence;  turbulence intensity;  turbulence integral length;  turbulence wind velocity spectrum
分类号:
TU202
DOI:
-
文献标志码:
A
摘要:
结合中国、美国、澳大利亚三国规范中的相关规定,对脉动风湍流强度、湍流积分长度以及脉动风速功率谱进行了比较。对比分析表明:由中国规范推导出的湍流强度远远小于美国、澳大利亚规范的相关规定; 中国规范选取的湍流积分长度不随高度变化,而美国、澳大利亚规范选取的湍流积分长度随高度的增加而增加,在相同高度处,中国规范所选取的湍流积分长度值介于美国、澳大利亚规范之间; 在一般建筑物自振频率范围内,中国规范所采用的脉动风速功率谱谱值比美国、澳大利亚规范规定的谱值大。
Abstract:
Combining the relevant regulation in Chinese, American and Australian load code, the turbulence intensity of wind turbulence, turbulence integral length and turbulence spectra of wind turbulence were compared. The comparative analysis shows that the turbulence intensity deduced from Chinese load code is smaller than that specified in American and Australian load codes. Turbulence integral length adopted in Chinese load code is constant, while that will increase with height increases in American and Australian load code. In the same height, turbulence integral length values in Chinese code intervene in American and Australian codes. In the range of building's natural frequency, turbulence wind velocity spectrum value in Chinese load code is the largest one.

参考文献/References:

[1] 张相庭.结构风工程[M].北京:中国建筑工业出版社,2006. ZHANG Xiang-ting.Wind Engineering of Structures[M].Beijing:China Architecture & Building Press,2006.
[2]HOLMES J D.Wind Loading of Structures[M].London:Spon Press,2001.
[3]希缪 埃米尔,斯坎伦 罗伯特.风对结构的作用--风工程导论[M].刘尚培,项海帆,谢霁明,译.上海:同济大学出版社,1992. SIMIU E,SCANLAN R.Effect of Wind on Structure:Introduction of Wind Engineering[M].Translated by LIU Shang-pei,XIANG Hai-fan,XIE Ji-ming.Shang-hai:Tongji University Press,1992.
[4]ZHOU Y,KIJEWSKI T,KAREEEM A.Along-wind Load Effects on Tall Buildings:Comparative Study of Major International Codes and Standards[J].Journal of Structural Engineering,2002,128(6):788-796.
[5]张琳琳,李 杰.脉动风速互随机Fourier谱函数[J].建筑科学与工程学报,2006,23(2):57-61. ZHANG Lin-lin,LI Jie.Cross Stochastic Fourier Spectrum Function of Turbulence Wind Velocity[J].Journal of Architecture and Civil Engineering,2006,23(2):57-61.
[6]GB 50009-2001,建筑结构荷载规范[S]. GB 50009-2001,Load Code for the Design of Building Structures[S].
[7]AS/NZ 1170.2:2002,Structural Design Actions Part 2:Wind Actions[S].
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[9]ASNI/ASCE 7-02,Minimum Design Loads for Buildings and Other Structures[S].

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备注/Memo

备注/Memo:
收稿日期:2008-03-25
基金项目:国家自然科学基金项目(50725826)
作者简介:李 波(1978-),男,湖北武汉人,讲师,工学博士,E-mail:libo_77@163.com。
更新日期/Last Update: 2008-09-20