后压浆钻孔灌注桩承载力设计要点探讨

Discussion on the Designing Points of Bearing Capacity of Posterior Grouting Bored Piles

摘要:

简要介绍钻孔灌注桩桩端、桩侧后压浆对单桩极限承载力的增强机理，并结合工程实例阐述钻孔灌注桩后压浆施工的工程实际效果，根据实践经验对后压浆钻孔灌注桩单桩极限承载力的设计要点提出几点建议。

Abstract:

The paper introduces the reinforcement mechanism of limit state of bearing capacity applied by bored piles’ side and end surface in posterior grouting. The paper also expounds the effect of bored pile’s posterior grouting with a case study. Finally, the author gives some suggestions for bored pile’s limit state of bearing capacity in posterior grouting according to the author’s hands-on.