结合工程实例，对地基处理时采用CFG桩＋碎石桩二元复合地基的技术要求进行了分析，介绍了CFG桩和振动沉管碎石桩的工艺流程和操作方法，总结了复合地基处理的优越性。%Combining with engineering cases,the paper analyzes technical requirements for the composite foundation with CFG pile and crushed pile in the foundation treatment,introduces their construction craft and operation methods,and sums up the advantages of the composite founda-tion treatment.
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