The paper introduces a new technology of CFG pile-pressure grouting of long helical drilling hole, and analyses design, service scope and development trend of CFG pile.
介绍了CFG桩的一种新的成桩工艺——长螺旋钻孔压力灌浆法，对CFG桩的设计、使用范围和发展趋势作了分析。
Here the function mechanism and the technology process of grouting after pile driving technology are explained by engineering examples and the development prospect is pointed out.
本文通过工程实例阐述了桩底注浆的工作原理和工艺流程，指出了桩底注浆技术的发展前景。
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