Back analysis of longitudinal equivalent rigidity of shield tunnel 
based on longitudinal settlement curve

YIN Jian-guo; HUANG Hong-wei

doi:10.16285/j.rsm.2015.S1.039

English Version Journal Login

您当前的位置：

首页 >

文章列表页 >

Back analysis of longitudinal equivalent rigidity of shield tunnel based on longitudinal settlement curve

更新时间：2026-06-25

- Back analysis of longitudinal equivalent rigidity of shield tunnel based on longitudinal settlement curve
- Vol. 36, Issue S1, Pages: 230-234(2015)
- 作者机构：
  
  1. 同济大学岩土及地下工程教育部重点实验室,上海,200092
  2. 同济大学地下建筑与工程系,上海,200092
- 作者简介：
- 基金信息：
- DOI：10.16285/j.rsm.2015.S1.039
  CLC： U452
- Online First：14 June 2018，
  
  Published：2015
- 稿件说明：
移动端阅览
YIN Jian-guo, HUANG Hong-wei. Back analysis of longitudinal equivalent rigidity of shield tunnel based on longitudinal settlement curve[J]. 2015, 36(S1): 230-234.
DOI：

YIN Jian-guo, HUANG Hong-wei. Back analysis of longitudinal equivalent rigidity of shield tunnel based on longitudinal settlement curve[J]. 2015, 36(S1): 230-234. DOI： 10.16285/j.rsm.2015.S1.039.

摘要

随着我国经济建设的深化，城市轨道交通建设得到迅速发展。在盾构隧道常见病害中，盾构隧道纵向沉降会对隧道纵向性能造成不利影响。盾构隧道结构刚度是结构性能的重要力学性能指标之一，采用盾构隧道纵向等效连续化模型，分别对于纵向等效刚度为常数以及沿盾构隧道纵向变化的情况，基于盾构隧道纵向沉降对纵向等效刚度进行反分析，探究盾构隧道纵向沉降对隧道纵向等效刚度的影响。分析得出，（1）当隧道纵向刚度有效率? 沿隧道纵向为常数时，随着实际沉降的增大，隧道纵向刚度有效率? 变小，且随着实际沉降的增大趋于平稳；（2）当隧道纵向刚度有效率沿隧道纵向变化时

实际沉降与理论沉降之比小于1时，反算出得到的隧道纵向刚度有效率沿纵向中间大，两边小;实际沉降与理论沉降之比大于1时，反算得到的隧道纵向刚度有效率沿纵向中间小，两边大；（3）根据反算出的纵向刚度有效率计算所得到的沉降曲线与实际沉降曲线有所差异。

Abstract

The urban track traffic develops rapidly with the economic growth in China. Among the common diseases of shield tunnel

longitudinal settlement will put adverse influence on the longitudinal performance of shield tunnel. The structural stiffness of shield tunnel structure is one of the most important mechanical performance index. The longitudinal equivalent continuous model is adopted; and the longitudinal effective rigidity ratio is assumed to be constant and variable longitudinally. The longitudinal equivalent rigidity is back calculated based on settlement curve to analyze the influence of longitudinal settlement on the longitudinal equivalent rigidity of shield tunnel. The results indicate: (1) When the longitudinal equivalent rigidity is constant

the longitudinal effective rigidity ratio reduces and change to be steady as the ratio of actual settlement and theoretic settlement increases. (2) When the longitudinal effective rigidity ratio is variable longitudinally

the back-calculated at the middle part is larger than that at both ends less than 1; and the back-calculated at the middle part is smaller than that at both ends for are greater than1. (3) The settlement curve which is calculated based on back-calculated has some differences with the actual settlement curve.

关键词

Keywords

references

Views

500

下载量

CSCD

Alert me when the article has been cited

提交

Tools

Publicity Resources

Intelligent geological condition recognition in shield tunneling via time-series clustering and online learning

Shield-soil interaction model and numerical solution methodology considering active articulation system

Back analysis of proportional coefficient of horizontal resistance in vertical elastic subgrade beam method for deep excavations

Research on deformation forecasting of tunnel surrounding rock based on viscoelastic constitutive behavior

Deformation effect on existing tunnels overlapped by new tunnel in lower-region

Related Author

ZHEN Jia-jie

LAI Feng-wen

HUANG Ming

LIAO Qing-xiang

LI Shuang

DUAN Yue-qiang

XIE Li-fu

GUAN Zhen-chang

Related Institution

College of Civil Engineering, Fuzhou University

College of Transportation and Civil Engineering, Fujian Agriculture and Forestry University

Fujian Fuzhou Construction Development Group Co. Ltd.

Xiamen Engineering Co. Ltd. of CCCC First Highway Engineering Co. Ltd.

China Construction Fourth Engineering Division Co. Ltd.

AI问答

⁰