本文主要阐述流砂层盾构始发过程中所采取的搅拌桩、旋喷桩、水平注浆等端头土体加固综合方法及辅助降水措施,通过计算分析验证措施效果,保证盾构始发的顺利进行。 This paper mainly elaborates the comprehensive methods and auxiliary precipitation measures of soil consolidation such as mixing piles, jet grouting piles, horizontal grouting and so on which are taken during the process of initial formation of the sand-flow shield, and verifies the effectiveness of the measures through calculation and analysis, Smooth progress.