Construction monitoring and numerical simulation of multi-arch tunnel

JI Mao-wei; WU Shun-chuan; GAO Yong-tao; GE Lin-lin; LI Xiao-jing

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Construction monitoring and numerical simulation of multi-arch tunnel

更新时间：2026-06-25

- Construction monitoring and numerical simulation of multi-arch tunnel
- Vol. 32, Issue 12, (2011)
- 作者机构：
  
  1. 北京科技大学土木与环境工程学院,北京,100083
  2. 新南威尔士大学大地测量与空间信息系统学院,悉尼,澳大利亚,2052
  3. 新南威尔士大学土木与环境工程学院,悉尼,澳大利亚,2052
- 作者简介：
- 基金信息：
- DOI：
  CLC： U456.3
- Online First：13 December 2011，
  
  Published：2011
- 稿件说明：
移动端阅览
JI Mao-wei, WU Shun-chuan, GAO Yong-tao, et al. Construction monitoring and numerical simulation of multi-arch tunnel[J]. 2011, 32(12).
DOI：

JI Mao-wei, WU Shun-chuan, GAO Yong-tao, et al. Construction monitoring and numerical simulation of multi-arch tunnel[J]. 2011, 32(12). DOI：

摘要

以张石高速JK-2合同段岔道2#双连拱隧道工程为背景，通过现场埋设多源传感器构建的监测信息平台，结合回归分析方法及高置信度关系模型等参数反馈信息，对获取数据进行提取、融合和态势分析，得到了浅埋偏压连拱隧道在施工开挖过程中围岩应力、位移、变形、塑性区和支护结构等动态变化规律；对监测过程出现的各种异常现象及产生原因进行深入分析与研究，客观描述了围岩的稳定性状与支护效果。同时，采用有限元软件以实际地形等高线为参照，建立仿真三维模型对隧道施工开挖进行数值模拟，比较采用不同施工方案对隧道整体结构及支护的影响。针对原浅埋、偏压连拱隧道施工方案提出优化建议，修正优化开挖方案和支护设计，对目前同类特征隧道施工具有借鉴指导意义

Abstract

Based on the multi-arch tunnel #2 for the JK-2 Contract Section in the Zhangjiakou-Shijiazhuang Expressway

the information monitoring platform based on in situ multi-source sensors combined with the regression analysis and parametric feedback information concerning the highly confident models have been developed to investigate and analyze the monitored data. The dynamic characteristics of surrounding rock stress

displacement

deformation

plastic zones and supporting structures in different construction processes are analyzed. Through complete analysis and research

various abnormal phenomena are analyzed; and the stability and effectiveness of the tunnel surrounding rocks have been described. Moreover

based on MIDAS/GTS (rock and tunnel analyzing system)—professional finite element software and topographic contours

the tunnel construction simulation is implemented by establishing 3D model. Tunnel structures and supporting systems of the different construction methods have been compared with the result of numerical simulation. Aiming at the designed construction method of asymmetrical pressure and unfavorable geological setting

some suggestions and the optimization scheme have been proposed

which could also be recommended for similar future projects.

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