市政技术2025，Vol.43Issue(7)：197-205,9.DOI:10.19922/j.1009-7767.2025.07.197
联络通道采用盾构法施工对双线盾构隧道结构影响监测分析
Analysis of the Monitoring of the Influence of Shield Method on Double-line Shield Tunnel in Connecting Channel
逯建栋 1宋彦杰 2张美琴 2周胜 2熊田芳 2耿佳 3程雪松 4张雨明3
作者信息
- 1. 天津市地下铁道集团有限公司,天津 300392
- 2. 中铁第六勘察设计院集团有限公司,天津 300308
- 3. 天津大学建筑工程学院,天津 300350
- 4. 天津大学建筑工程学院,天津 300350||天津大学滨海土木工程结构与安全教育部重点实验室,天津 300350
- 折叠
摘要
Abstract
In order to explore the influence of shield tunneling on the lining structure of double-line subway tunnels,on-site construction monitoring was carried out in a shield tunneling project in a Tianjin Metro.By analyzing the data of shield tunneling,the displacement,convergence,and stress response of the double-line shield tunneling structure were studied and analyzed to obtain the response laws of shield tunneling and tunnel structure during construction.The research results show that:1)The construction of connection channel by the shield tunneling will cause signifi-cant horizontal displacement of the main tunnel at the starting point,with the maximum horizontal displacement value occurring at the right arch waist.The main tunnel is affected by the thrust and cutting force of the shield tunneling machine,and converges horizontally inward and vertically outward,presenting a horizontal elliptical shape.The hole will have a significant impact on the main tunnel at the starting point;2)The steel sleeve itself has higher strength so that the maximum displacement value is relatively smaller during the construction process;Both the main reinforcement stress and concrete strain at the monitoring site are within the safe range;The displacement and convergence values of the connecting channel segments are relatively smaller and within a safe range.关键词
双线盾构隧道/联络通道/盾构法/施工监测/结构响应Key words
double-line shield tunnel/connecting channel/shield tunneling method/construction monitoring/structural response分类
交通工程引用本文复制引用
逯建栋,宋彦杰,张美琴,周胜,熊田芳,耿佳,程雪松,张雨明..联络通道采用盾构法施工对双线盾构隧道结构影响监测分析[J].市政技术,2025,43(7):197-205,9.
