运用脉冲分量与宽频分量叠加合成地震波的方法，来研究近场地震动的作用特性。
The method of generating seismic wave by superposing impulse component and wide band component is used to study the interaction characteristics of near-filed ground motion in this paper.
本文采用间接边界单元方法，研究了层状半空间中夹塞区对近场地震动的影响情况。
Applying indirect boundary element method, the influence of Underground Inclusions in layered Half-space on the near earthquake ground motions is investigated in this paper.
在近场地震动作用下双层隧道下层的地震应力幅值要比上层的地震应力幅值大，在远场地震动作用下则相反；
The seismic stress amplitude of the lower layer is larger than that of the upper layer under near-field ground motion, and under far-field ground motion the condition is opposite.
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