This paper introduces the test results and calculative method by using the composite foundation of sand-stone pile and concrete pile with low strength.
Adopting sandpile, 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。
3
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.