探讨桥梁桩基托换技术在地铁盾构穿越桥梁桩基工程中的应用

Research of bridge pile foundation underpinning technology application in subway shield tunnel crossing bridge pile foundation engineering

桥梁桩基托换技术能够提升地铁盾构穿越桥梁桩基施工的安全性,是盾构穿越桥梁桩基的有效施工技术方法。本文基于某工程案例,首先分析地铁盾构穿越桥梁桩基工程的设计方案及控制标准,进而研究桥梁桩基托换技术的具体应用,并提出几点质量控制措施,以期促进地铁工程施工水平的提升。

Pile foundation underpinning technology can improve the safety of metro shield tunneling through bridge pile foundation construction,and it is an effective construction technology for shield tunneling through bridge pile foundation.This paper collects a project case,first analyzes the design scheme and control standard of the subway shield crossing bridge pile foundation project,then studies the concrete application of the bridge pile foundation underpinning technology,and puts forward some quality control measures in order to promote the construction level of the subway project.