pedestal pile

In this paper, the background of rammed pedestal pile is introduced.

并提出了预制夯扩管桩施工的新工艺.

This paper discusses the application of the rammed pedestal pile in thin stiff stratum in soft soil based on the engineering practice, and presents the reinforce measure of adopting thin stiff stratum as pile tip bearing stratum.

结合工程实践对夯扩桩在软土中薄硬夹层的应用进行了探讨，提出薄硬夹层作为桩端持力层的加固方法。

Engineering Practice of Pedestal Pile on Layered Soft Soil Foundation

扩底桩在层状软土地基中的工程实践

Construction Technology of Pedestal Pile 35m Long for the Southern Square of Shanghai Railway South Station

上海铁路南站南广场35m长桩扩底施工技术

Based on the model tests of rammed pedestal pile carried out in laboratory, the head-expanding mechanism is proposed and analysed qualitatively, and the empirical formulas of ramming effect radius and end bearing capacity are also deduced.

对夯扩桩扩大头的形成机理和形状进行了分析与探讨，提出了夯扩变形影响半径、桩端承载力计算的经验公式。