The result indicates that the horizontal seismic motion has decisive effect on the structure's earthquake response, but the influence of the vertical seismic motion is noticeable, so its adverse effect should be considered.
结果表明,水平地震动对结构的地震反应起决定作用,但竖向地震动对结构顶部应力的影响不可忽视,应考虑其不利影响。
参考来源 - 烟囱在水平地震力和温度作用下的结构性能分析·2,447,543篇论文数据，部分数据来源于NoteExpress
Third factor is the influence of vertical seismic motion.
三是输入竖向地震动。
In this paper, sloshing effect and vertical seismic motion influence are discussed as well as the calculating method are given in detail.
本文对动水压力的合理确定作了探讨，给出了液面晃动效应和竖向地震影响的具体计算方法。
Compared with the seismic responses of free homogeneous half space, the results present the effect of vertical cracks on the propagation of seismic wave and the ground motion near the fault site.
计算结果与均匀半空间自由场做了对比，以说明竖向地裂缝对地震波传播和附近地面运动的影响。
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