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结合现场灌浆试验 ,介绍了桩侧、桩底压力灌浆工艺及效果 ,分析了后压浆技术提高桩摩擦力和端承力的机理。试验表明 ,桩底后压浆技术可作为提高钻孔桩承载力的有效措施。
Combined with on-site grouting test, the technology and effect of pile grouting and pile grouting are introduced, and the mechanism of post-grouting technology to improve the friction and end bearing capacity of pile is analyzed. Experiments show that post grouting technology can be used as an effective measure to improve the bearing capacity of bored piles.