The thesis investigates the mechanisms and the magnitude of the settlement and the rate of consolidation are obtained by using the biot ' s theory of consolidation in such kind of combined composite foundation 本文分析了组合型复合地基的加固机理，并用biot理论对组合型复合地基的承载力、沉降量及沉降速率进行了计算，并将它和碎石桩、 cfg桩进行了比较。
