A new input methods of wave motion dealing with soil-structure interaction is also proposed which can be used to exactly simulate incident seismic wave from any Angle.

文中同时给出了一种结构-地基动力相互作用中地震波动输入方法，可以准确模拟任意角度入射的地震行波的输入。

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Then some rules are presented: the frequency characteristics, acceleration peak value of the input ground motion have great influence on the seismic response of composite foundation.

结果表明：输入地震动的强度和频谱特性对复合地基地震效应影响较大；

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A simplified technique to obtain foundation input motions for circular cylindrical foundations embedded in the ground and subjected to seismic motion is presented.

埋置基础输入运动的求解是采用子结构法进行土与结构相互作用的关键问题之一。

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