The effective controlling measuresmust be adopted in bored pile construction at quicksand and soft soil layer, which can reducef engineering accidents and assure engi-neering quality.

• 针对流砂或软土层地质情况,采取相应的预防和控制措施,保证成孔质量,减少工程事故的发生,从而确保施工的顺利进行。