大直径长钻孔桩孔底压浆技术的探讨

Probe into the Grouting Technique Used on the Bottom of the Long Drilled Pile with Large Diameter

分析了某工程桩底缺陷形成的原因,介绍了桩底补强过程中的造孔、清淤、压浆及验证的具体做法。

This paper analyzes the reasons of the formation of the pile bottom defects in a certain project, and introduces the concrete practices of hole making, desilting, grouting and verification in the process of the reinforcement of the pile bottom.