This paper introduces the test results and calculative method by using the composite foundation of sand-stone pile and concrete pile with low strength.

本文通过试验与工程实践，介绍采用碎（砂）石桩及低强度混凝土桩组合构成复合地基的试验成果、计算方法及应用检测成果。

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Adopting sand pile, plaster pile and cement pile and etc to deal with soft and weak foundation which becomes compound foundation is a common method in foundation treatment.

采用砂石桩、土桩和水泥土桩等处理软弱地基，形成复合地基，是地基处理中常用的一种方法。

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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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