The seismic influence field reflects the space distribution of seismic intensity or space-related seismic ground motion field.
地震影响场反映了地震动强度的空间分布或与空间相关的地震动场。
Field observations after 921 earthquake show that the irregular basement has serious damage because of amplification of ground motion.
在921地震后，经观察发现，半开挖式地下室结构损毁情形大部分比全开挖式结构严重。
A random synthesis procedure based on finite fault model is adopted for near field strong ground motion simulation, in this paper.
为了模拟近场强地震动，采用了基于有限断层模型的一种随机合成方法。
The results indicate that the presented method could illuminate the saturation effect in near field and attenuating characteristics of strong ground motion in far field from large earthquake.
结果表明，建议的方法能反映近场强震地震动饱和的效应和大震远场衰减的特点。
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.
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 thesis has compared the outcome of Free-Field Ground Motion with that of Non-Free-Field Ground Motion, and made a conclusion that considering Soil-Structure Interaction to calculate is reasonable.
论文对自由场与非自由场基础部位的地震反应计算结果进行了比较，得出考虑地基—结构相互作用进行结构计算时其结果比较合理的结论。
The thesis has compared the outcome of Free-Field Ground Motion with that of Non-Free-Field Ground Motion, and made a conclusion that considering Soil-Structure Interaction to calculate is reasonable.
论文对自由场与非自由场基础部位的地震反应计算结果进行了比较，得出考虑地基—结构相互作用进行结构计算时其结果比较合理的结论。
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