横风向和扭转向风荷载形成机理复杂，理论分析尚不完善。
The formation mechanism of across-wind and torsional wind is complex and equivalent static wind load theories are not perfect.
列车的横风倾覆力矩特性包括横风倾覆力矩系数和风速取值两个方面。
The lateral winds-overturning moment characteristics of trains include both a overturning moment coefficient and the selections of the wind speed value.
上部外形的适当处理，也可能有效降低高层建筑的横风向等效风荷载。
The appropriate treatment of the building shape at its upper part may also reduce the across-wind loads effectively.
日本和加拿大规范对矩形截面结构横风向风荷载作用做了相应简化计算。
Japanese and the Canadian standard has made the corresponding simplification computation to the rectangular section structure by crosswind windward load function.
岸边起重机结构中有许多长的弹性圆截面杆件，自振频率比较低，很容易发生横风共振。
There are many long and elastic round cross-section rod structures in quayside container crane, whose frequency are so low that it is easy to arouse crosswind resonance.
对于某些超高层建筑，其横风向风振响应甚至超过顺风向而成为结构设计的控制性因素。
Because the across-wind dynamic responses of some high-rise buildings exceed the along-wind dynamic responses, the across-wind vibration would become the control factor of structure design.
在落地塔型设备及其基础设计中，人们往往认为发生横风向共振的可能性小，没有考虑横风向风荷载。
It is often considered in tower-type equipment and its foundation design that the resonance of the tower in the direction perpendicular to wind is negligible.
引入横风力谱模型，分析了某高宽比为6的方形截面高层建筑在不同地貌和风速条件下的横风向风振响应。
With the across-wind force spectrum, the across-wind dynamic responses of tall square-section buildings with aspect ratio of 6 is analyzed in the conditions of different ground and wind velocities.
同时考虑了不同风速下横风向旋涡脱落对于不同参数的杆式构件的影响，并给出横风向风振响应的计算方法。
In crosswind direction, the influence of vortex shedding for pole-type structures with different geometrical parameters is analyzed, the method for calculating crosswind response is presented.
结果分析指出：提出的求沿高层建筑高度分布的等效静态风荷载的方法适用于顺风向风力，应用于横风向风力有理论误差。
The results show that the calculation method of static equivalent wind loads is suited to along-wind force, but is in some theoretical error to across-wind force.
得到如下结论：高层建筑横截面为方形时，其横风向风荷载主要由规则性旋涡脱落导致的尾流激励构成，为窄带随机激励；
The calculated results indicate that the across-wind loads of high-rise buildings with square sections are induced mainly by vortex shedding and are narrow-band random processes.
采用流场数值模拟计算方法，计算了横风作用时的垂向气动升力系数、气动横向力系数和侧滚力矩系数，得出各系数与车辆速度和风速之间的变化关系。
Using numerical computation of fluid flow, the coefficients of vertical force, lateral force and rolling moment caused by cross-wind were calculated, which were related to train speed and wind speed.
非线性分析结果显示，横桥向风载在主梁上的不平衡加载对结构的稳定性影响不大；
The result of nonlinear analysis shows that the imbalance loads windward on the main girder of the transverse bridge effect little to the structure stability;
非线性分析结果显示，横桥向风载在主梁上的不平衡加载对结构的稳定性影响不大；
The result of nonlinear analysis shows that the imbalance loads windward on the main girder of the transverse bridge effect little to the structure stability;
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