• 一阵横风长发满天飞扬,吹得长裙上下翻腾…

    While cross-wind, long hair blowing everywhere Yang, blowing skirt billowing up and down.

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  • 扭转荷载形成机理复杂理论分析尚完善

    The formation mechanism of across-wind and torsional wind is complex and equivalent static wind load theories are not perfect.

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  • 列车倾覆力矩特性包括倾覆力矩系数速取值方面

    The lateral winds-overturning moment characteristics of trains include both a overturning moment coefficient and the selections of the wind speed value.

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  • 上部外形适当处理可能有效降低高层建筑等效荷载

    The appropriate treatment of the building shape at its upper part may also reduce the across-wind loads effectively.

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  • 日本加拿大规范矩形截面结构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.

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  • 岸边起重机结构许多长的弹性截面杆件,自振频率比较低,容易发生共振

    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.

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  • 对于某些超高层建筑,其响应甚至超过向而成为结构设计控制性因素

    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.

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  • 落地设备及其基础设计中,人们往往认为发生共振可能性小,没有考虑荷载。

    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.

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  • 引入模型,分析了比为6方形截面高层建筑不同地貌条件下响应

    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.

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  • 同时考虑了不同速下旋涡脱落对于不同参数杆式构件的影响,并给出响应计算方法

    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.

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  • 结果分析指出:提出求沿高层建筑高度分布的等效静态荷载方法适用力,应用于理论误差

    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.

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  • 得到如下结论高层建筑截面方形时,其荷载主要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.

    youdao

  • 采用数值模拟计算方法,计算横风作用时向气动升力系数、气动系数力矩系数,得出各系数车辆速度之间的变化关系。

    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.

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  • 非线性分析结果显示主梁上不平衡加载结构稳定性影响不大

    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;

    youdao

  • 万里长江一线声。

    Line cross Yangtze River, a good wind to send late Chaosheng.

    youdao

  • 万里长江一线声。

    Line cross Yangtze River, a good wind to send late Chaosheng.

    youdao

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