钻孔灌注桩孔底后压浆施工工艺及质量控制

Post pressure grouting of borehole cast-in-situ pile bottom and its quality control

阐述了钻孔灌注桩桩底后压浆技术的作用机理和目的,并讨论了其施工技术、施工过程中的质量控制方法及注意事项,通过实例验证了这种工艺的效果良好。

The following paper illustrates mechanism and purpose of post pressure grouting of borehole cast-in-situ pile bottom, discusses its construction technique, and quality control method and attentions in its construction process, and proves such technique＇s well effect by example.