天津建设科技2025，Vol.35Issue(2)：25-28,4.DOI:10.3969/j.issn.1008-3197.2025.02.006
软弱地层盾构隧道侧穿桥梁桩基影响分析
Research on the Influence of Shield Tunnels in Weak Strata on Bridge Pile Foundations
李建强 1于祺 2张家威2
作者信息
- 1. 天津滨海新区轨道交通投资发展有限公司,天津 300450
- 2. 天津市政工程设计研究总院有限公司,天津 300392
- 折叠
摘要
Abstract
In order to research the impact of subway shield tunnel construction on adjacent bridge pile foundations,Mi-das GTS NX finite element numerical analysis software was used to simulate the actual construction conditions of shield tunnel excavation and analyze the deformation of bridge pile foundations during shield tunneling.The results show that the construction of intermediate tunnels in weak strata has a certain impact on the deforma-tion of adjacent bridges.The maximum vertical deformation of the bridge is 4.25 mm,the maximum horizontal deformation is 2.19 mm,and the settlement difference between adjacent piers and abutments is 2.39 mm.The numerical calculation is basically consistent with the on-site measured data,and the deformation of the bridge structure meets the control requirements.关键词
盾构隧道/城市桥梁/软弱地层Key words
shield tunnel/urban bridges/weak strata分类
交通运输引用本文复制引用
李建强,于祺,张家威..软弱地层盾构隧道侧穿桥梁桩基影响分析[J].天津建设科技,2025,35(2):25-28,4.
