后压浆技术是一种新兴的地基处理技术,具有明显的社会效益和经济效益,应用前景十分广泛。首先简单的钻孔灌注桩后压浆技术的力学及化学机理以及其承载力的影响因素;在此基础上,着重分析和探讨了钻孔灌注桩后压浆技术的施工工艺、施工中的常见问题及相应的对策。 Post-grouting technology is an emerging foundation treatment technology, with obvious social and economic benefits, and its application prospect is very wide. Firstly, the mechanics and chemical mechanism of the post-grouting technique of simple cast-in-place bored piles and the influencing factors of its bearing capacity. On this basis, the construction technology of post grouting technology of bored piles is emphasized and the common Problems and Corresponding Countermeasures.