顶管井施工对地铁桥墩影响的研究与分析

Influence Analysis of Pipe Jacking Well Construction on the Bridge Pier of Adjacent Subway

随着城市轨道交通的快速发展,许多新建及修复(因地铁施工而损坏)管道工程在建设时都需要在地铁保护范围内施工,不可避免地要研究对地铁的影响及变形控制。本文依托南京某地铁线路附近的管道修复工程,通过总结本次工程设计及施工经验、现场实测数据,结合有限元分析,研究顶管井施工对临近地铁桥墩的影响,提出实施建议,为类似工程的实施提供借鉴。

With the rapid development of urban rail transit many new and repaired pipes broken by sub- way would be built in the control protection zone of subway the influence of these pipes and pipe jacking well construction on the adjacent subway should be considered. Based on a repaired pipes project around Nanjing subway the experience of engineering design and construction the measuring data and the finite element calcu- lation were used to study the influence of pipe jacking well construction on the bridge pier of adjacent subway in this paper some advices were given which could provide some useful reference for the similar projects in the future.