采用模态分析和反应谱分析的方法,研究坝段两种工况下的自振特性、地震动位移和地震动应力响应的分布规律。
Modal analysis and spectrum analysis are applied to research the dynamic characteristics, and the distribution laws of seismic displacements and stress of water retaining section are analyzed.
关于地震动速度脉冲对结构的影响虽已有若干研究结果,但还没有应用到实际工程中,而关于地震动位移峰值对结构的影响则还没有见到相关研究成果的介绍。
Even if there are some conclusions about the effects of velocity pulse on structures, but it hasn't been applied in practice yet, and the effect of PGD on structures is barely on research.
地震动使海底倾斜土层软化、液化并产生永久变形和位移。
Soil softening and liquefaction due to earthquake cause permanent deformations and displacements of submerged slope.
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