1) downward gust factor
下压风振系数
1.
According to the significant self-weight effect of the large-span roof of the National Stadium,the downward gust factors for both nodes and load panels are presented and their reasonable thresholds are suggested.
针对国家体育场大跨度屋盖结构自重效应较大的特点,本文提出了大跨度屋盖下压风振系数的定义与合理的取值范围,提出了背景响应和共振响应的振型能量参与系数的计算方法和振型选取方法,利用振型叠加法分析了国家体育场屋盖结构的随机风振响应及风振系数,为国家体育场屋盖结构风振系数的确定提供了科学依据。
2) wind load factor
风振系数
1.
Determination of wind load factors of long-span roof structures using rigid model wind tunnel test;
刚性模型风洞试验确定大跨屋盖结构风振系数的多阶模态力法
2.
Using three-dimensional FEM,wind-induced dynamic response of a project designed with single-layer spherical reticulated shell scheme,was analyzed to obtain vertical wind load factors of 24 wind angles.
本文针对某工程的单层网壳结构方案,采用其风洞试验数据,通过有限元方法在时域内进行三维风振分析,获得了钢网壳24个风向角下的竖向风振系数值,并通过对试验数据和计算结果的分析,确定了风荷载的不利风向角。
3.
And the wind-induced dynamic response and wind load factor of the long-span flat roofs are evaluated using Davenport wind spectrum and the local mean wind pressure coefficients determined in wind tunnel.
本文在有限元分析的基础上建立了大跨度平屋面结构在风荷载作用下的风振响应谱分析方法,并采用Davenport谱和由风洞试验得到的屋盖表面的平均风压分布系数计算了屋面的风振响应及风振系数。
3) wind-induced vibration coefficient
风振系数
1.
Study on wind-induced vibration coefficient of large span transmission towers;
大跨越输电塔风振系数研究
2.
Analysis of wind-induced vibration coefficient for long-span reticulated dome;
大跨度球面网壳结构的风振系数研究
3.
Analysis of wind-induced response and wind-induced vibration coefficient for tower of torch system
火炬系统塔架的风振响应分析及风振系数
4) wind vibration factor
风振系数
1.
Recently,the wind vibration analysis in the code of glass curtain wall is based on the gust wind factor instead of the wind vibration factor,which is different from the supporting structure of point-supporting glass curtain wall,so a model of a simply supported beam was presented in this paper.
目前幕墙规范中采用阵风系数来代替风振系数对幕墙支承结构进行风振计算,这与实际情况差异较大,本文为此提出了基于简支梁模型的幕墙风振系数算法。
2.
The formulas of wind vibration factor in along wind on uniform tall building were developed,and computing tables of convert factors of gust wind were given.
本文导出了均匀高层建筑顺风向风振系数的表达式 ,并给出了脉动风折算系数的实用计算表格 ,同时综合分析了各种影响风振系数的因素及变化规律 ,列举了计算实例。
3.
cable, pre-tense of leaning cable, and so on, impact on the displacement wind vibration factor of the flexible systems.
对点式玻璃幕墙支承结构中两种常用的组合式柔性支承体系的自振特性进行了研究,利用AR法和matlab语言模拟了脉动风荷载,分析了集中质量,结构高度,斜索的截面积,斜索的预应力等几何参数对柔性体系位移风振系数的影响。
5) gust response factor
风振系数
1.
In allusion to this fact, some research had developed the formula of gust response factor for simply-supported truss to calculate the vertical state supporting structure of points-supporting wall.
现行幕墙规范在脉动风的计算中采用阵风系数,但由于点支式玻璃幕墙在大跨度、超高层结构中得了广泛的应用,使得计算的结果与实际情况相差较大,针对这一情况,有研究提出以简支梁为基础进行对竖直放置的幕墙钢管桁架支撑结构进行风振系数计算,但是在多层大空间中庭结构中,很多采用的是水平布置的空间桁架支撑结构。
2.
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.
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。
3.
It is convenient to express the wind excited vibration of structures in term of gust response factor for tower structures and other tall structures taking only into consideration of first vibration mode.
对于响应以第 1振型为主的高耸结构等结构 ,常以先求风振系数再求各类风响应较为方便。
6) wind vibration coefficient
风振系数
1.
Mode shapes and wind vibration coefficient analysis for roof structure of the capital museum;
首都博物馆屋盖结构的自振特性和风振系数分析
2.
The large-span structure requires wind vibration analysis when computing the wind load;however,the formula in current code on wind vibration coefficient can hardly be applied in large-span structure,making its computation difficult and troublesome.
大跨度结构计算风荷载时要进行风振分析,由于现行规范中对于风振系数的规定不适用于大跨结构,因而风振系数的计算成为大跨结构计算的难点。
3.
In order to obtain the distribution of load,displacement and wind vibration coefficient of large-span spatial steel pipe truss structures under wind load,a program based on Auto-Regressive method was worked out to simulate its time history curve of wind speed of multi-points,which bear space relativity.
为了获得大跨度空间钢管桁架结构在风荷载作用下的实时受力、变形情况和风振系数,本文采用自回归法编制计算程序,数值模拟具有空间相关性的大跨度空间钢管桁架结构的多点风速时程,根据由风速时程转化的作用于结构的风荷载时程对两个大跨度空间钢管桁架结构进行风振响应分析和风振系数的计算。
补充资料：膛压系数
膛压系数——设计膛压与身管材料容许应力的比值。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条