浅析横向风振系数及其影响因素  

Analysis on Across-wind Vibration Coefficient and Influence Factors

作　　者：韩玉栋[1] 王云燕[2] 王向珍[2] 周巍[2] 曲江泉 陈娜[2] 李洪艳[2] 

机构地区：[1]艾奕康咨询深圳有限公司(北京)分公司,北京100025 [2]亚太建设科技信息研究院,北京100120

出　　处：《施工技术》2012年第S2期256-258,共3页Construction Technology

摘　　要：介绍了由旋涡脱落理论计算横风向风振效应的原理,对雷诺数和斯托罗哈数这两个影响横向风振效应的重要系数作了详细阐述,并对《建筑结构荷载规范》GB50009—2001(2006版)中的横向风振系数进行分析,提出了对此部分的理解。Principle of calculating across-wind vibration by vortex shedding theory is introduced in this article.Reynolds number and Strouhal number are particularly elaborated as they are important coefficients that influence across-wind vibration effect.Across-wind vibration coefficient in Load code for the design of building structures GB50009—2001 is analyzed.Several new understanding about this part is brought forward.

关 键 词：风荷载 横向风振 旋涡脱落 雷诺数 斯托罗哈数 

分 类 号：TU312.1[建筑科学—结构工程]