Based on the analysis of the liquefied mechanism of saturated sand,this paper analyzes the effect of three measures such as compacted sand pile,vibro replacement gravel column and bag sand-well.

• 在分析饱和砂土液化机理的基础上,结合工程实例探讨挤密砂桩、振冲碎石桩、袋装砂井3种处理方法,优选出挤密砂桩法,使该路段砂土液化地基处理既经济又可靠。