我国地铁工程建筑物基础托换技术综述

Overview of Foundation Underpinning Technology in Subway Project of China

文章简述了我国地铁工程常用的几种基础托换方法的原理、适用性。重点阐述了最常用的托换方法——桩基托换的思路、类型及相关技术。对我国基础托换的几个典型工程实例做了介绍。对基础托换设计和施工中的关键技术要点进行论述。最后,指出当前我国地铁工程中基础托换中存在的几个主要问题,对地铁基础托换的发展做了展望。

The author introduces the principle and applicability of several commonly underpinning methods for the subway project in China. Then, he foeuses on pile underpinning which is the most commonly used method, including idea, type and related technologies. A few typical examples of foundation underpinning in China are described. Design and construction-related key technical points of the foundation underpinning are discussed. Finally, the author points out the main issues existing in the foundation underpinning and puts forward the development of the foundation underpinning in current subway project of China.