Based on the squeezing effect in the process of pile sinking, the squeezing behaviour of concrete-cored sand-gravel piles is analyzed by applying cavity expansion theory and consolidation theory.

• 从挤土桩沉桩过程产生的挤土效应出发，运用圆孔扩张理论和固结理论，分析了混凝土芯砂石桩的挤土性状。