Calculated results indicate that amplification effect is obvious in the area near surface fault, especially on the site that is in the downside fault.

计算结果表明，在地表断层出露的周围地区，断层下盘地表地震动放大效应较大，断层上盘地表地震动放大作用有明显的降低。

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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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