The characteristics of site seismic effect, the mainly factors of liquefied sandy soil and its dangers are discussed in the paper.
论述了场地地震效应的表现形式，影响砂土液化的主要因素和砂土液化危害的主要特点。
The movement manner of pipeline buried under saturated sandy soil is studied, when soil is liquefied, by making model test using vibration bench.
对海底饱和砂土发生液化时，埋于其中的管道运动规律进行了探讨，利用振动台上进行了模型试验。
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