科技创新与应用2024，Vol.14Issue(1)：83-87,92,6.DOI:10.19981/j.CN23-1581/G3.2024.01.021
地铁盾构区间隧道近接下穿既有隧道影响研究
秦帅 1黄杰 2陈雾航2
作者信息
- 1. 南京市城市道路管理中心,南京 210008
- 2. 苏交科集团股份有限公司,南京 210019
- 折叠
摘要
Abstract
When the subway shield tunnel passes through the existing urban tunnel,the surrounding soil will be disturbed,which will cause the deformation of the surrounding soil,which will cause additional stress and deformation of the existing urban tunnel and threaten the structural safety.In order to study the influence of the shield tunnel on the existing tunnel and explore the deformation law of the tunnel in the process of tunnel construction,the three-dimensional finite difference method is used to simulate the adjacent tunnel of the subway shield tunnel.The settlement and deformation law of the existing tunnel in the process of shield tunnel excavation and excavation is analyzed.The calculation results show that the existing urban tunnel mainly produces longitudinal differential settlement near the shield tunnel,and the settlement increases gradually with the shield tunneling.Through the study of this paper,in order to provide guidance and suggestions for the design and construction of similar projects.关键词
盾构法/隧道/有限差分法/盾构下穿/地铁区间Key words
shield method/tunnel/finite difference method/shield tunneling/subway section分类
交通工程引用本文复制引用
秦帅,黄杰,陈雾航..地铁盾构区间隧道近接下穿既有隧道影响研究[J].科技创新与应用,2024,14(1):83-87,92,6.
