《建筑结构荷载规范》(GB50009)在计算风荷载时提到了这两个系数,但是在结合实际工程使用中,结构上的风荷载可分为两种成分:平均风和脉动风。对应地,风对结构的作用也有静力的平均风作用和动力的脉动风作用。平均风的作用可用静力方法计算,而脉动风是随机荷载,它引起结构的振动,一般采用随机振动理论对其振动进行分析。
... 风荷载体型系数 shape factor of wind load 风振系数 wind fluttering factor 地震作用标准值 characteristic value of earthquake action ...
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...风振系数 [gap=1331]shell; cable supported barrel vault; wind-induced vibration response; AR method; wind-induced vibration coefficient ...
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So the spectral analysis method based on the quasi-static assumption is modified in the present study. Finally, the wind load factor of long-span flat roof structures is discussed, and an important piece of advice is inferred from it.
并由此从位移风振系数的角度提出了对基于准定常假设下的模态分析法的修正。
参考来源 - 大跨度平屋面结构的风振响应和风振系数研究By measuring results,the calculation formula for wind-induced dynamic coefficient based on displacement is indicated.
通过测试结果,给出各测点基于位移的风振系数计算公式。
参考来源 - 世博轴大型索膜结构节点和体系的试验研究·2,447,543篇论文数据,部分数据来源于NoteExpress
笔者为此从随机振动理论出发,对点支式幕墙支撑结构的风振系数进行了研究。
Based on random vibration theory, the response of the structure under random wind load and the formula of wind vibration factor was developed.
大跨索网结构广泛应用于工程实际,该结构的风振系数是结构抗风设计的重要参数。
The long-span cable nets structures are being widely used in practical engineering, and the wind-induced coefficient is important for the design of the structures.
对点支式玻璃幕墙两端固支支撑结构和不落地支撑结构的风振系数取值问题进行了研究。
The calculation of the gust response factor of the point-supporting curtain wall's supporting structures which are fixed-supported and not on the ground, is analyzed.
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