桩基础施工新技术专题讲座(二十) 静压沉管灌注桩和静压沉管扩底灌注桩(上)

Pile Foundation Construction Technology Seminar (20^(th))

沉管（扩底）灌注桩分类沉管（扩底）灌注桩属于挤土灌注桩，其分类如图1所示。普通沉管夯扩桩、全夯式沉管夯扩桩及载体桩的基本原理、优缺点、适用范围、施工机械与设备、施工程序、施工特点、施工要点及施工注意事项分别在本讲座第十三讲、第十六讲和第八讲做出阐述。

In this article,we will talk about the reasonable configuration of static pressure pipe and static pressure sinking pipe cast-in- place pile with enlarged bottom.