This paper presents the effects of soil liquefaction on design response spectrum in terms of effective stress theory by considering the thickness and depth of sand layer, and the earthquake intensity.

本文采用有效应力原理分析了液化土层对设计反应谱的影响，分析中考虑了砂层的厚度、埋深和输入地震动等因素。

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The application of gravel pile and CFG pile composite foundation in foundation treatment of liquefaction of sand and soil in seismic area is introduced combined with engineering example.

结合工程实例，介绍了在高地震区砂土液化地基土处理中，应用碎石桩、CFG桩组合型复合地基。

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According to the geology surveying in Panjin area, it is judged out that the sand liquefaction and soft soil thixotropy, saline water corrode are the geologic hazards might happened in this area.

通过对盘锦部分地区的调查工作和地层情况总结，判断出盘锦地区地质灾害种类有砂土液化、软土触变、咸水入侵。

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