提高钻孔灌注桩承载力——后注浆法

To Improve the Bearing Capacity of Bored Concrete Pile——Post-grouting

本文主要对影响单桩竖向承载力的因素、钻孔灌注桩承载力异常现象和原因，以及采用后注浆法提高钻孔灌注桩中承载力的应用做了一些探讨。

This paper focuses on the influence factors of the vertical bearing capacity of single pile, the abnormal phenome-non and reasons of bearing capacity of bored pile, the appli-cation of using post-grouting method to enhance the bearing capacity of bored pile.