顺风向风振和分振系数对于基本自振周期t１大于０。２５的工程结构，如房屋，屋盖及各种高耸结构，以及对于高度大于３０m且高宽度比大于１。５的高柔房屋，均要考虑风压脉动对结构发生顺风向振的影响。风振计算应按随机振动理论进行，结构的自振周期应按结构动力学计算。注 近似的基本自枕周期t１可按附录e计算。
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Shake and divide the coefficient of shaking to greater than 0 shaking cycle t1 basicallying along the wind direction wind。 The project structure of 25, such as the house, the room overlays and various kinds of towering structure, and to greater than 30m and high width than greater than 1 highly。 5 high gentle house, is it consider wind pressure is it take place along influence that wind direction shake to structure to pulse to want。 Wind is it it calculates to be should according to shake theory go on , shake cycle should calculate according to structure dynamics structure at random to shake。 It can be calculated resting the head on cycle t1 according to appendix e basically that the note is approximate 。 。