Results of calculation show that dissipation of excess pore water pressure due to squeezing effect of concrete-cored sand-gravel piles is faster than that of the ordinary CFG piles.

• 算例表明，成桩后的混凝土芯砂石桩，其挤土效应产生的超孔隙水压力的消散，远快于常用的水泥粉煤灰碎石桩（CFG桩）。