Problem on the bearing capacity of cast-in-place pile influenced by the deposit at pile end and the mud hanged on pile shaft can be solved by the technique with the post grouting.

• 灌注桩后压浆技术解决了桩底沉淤和桩身泥皮影响灌注桩承载力的问题,使桩底、桩侧土得到了加固,从而大幅度提高了灌注桩的承载力,降低了桩的沉降量。