Analytical method of image theory used to calculate shield tunneling induced soil displacements and stresses

LU Hai-lin; ZHAO Zhi-min; FANG Peng; JIANG Xin-liang

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Analytical method of image theory used to calculate shield tunneling induced soil displacements and stresses

更新时间：2026-06-25

- Analytical method of image theory used to calculate shield tunneling induced soil displacements and stresses
- Vol. 28, Issue 1, (2007)
- 作者机构：
  
  1. 天津大学建筑工程学院,天津,300072
  2. 长江大学城市建设学院,荆州,434023
  3. 中国建筑科学研究院地基基础研究所,北京,100013
  4. 北京金地鸿业房地产开发有限公司,北京,100006
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU433
- Online First：28 August 2013，
  
  Published：2007
- 稿件说明：
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LU Hai-lin, ZHAO Zhi-min, FANG Peng, et al. Analytical method of image theory used to calculate shield tunneling induced soil displacements and stresses[J]. 2007, 28(1).
DOI：

LU Hai-lin, ZHAO Zhi-min, FANG Peng, et al. Analytical method of image theory used to calculate shield tunneling induced soil displacements and stresses[J]. 2007, 28(1). DOI：

摘要

盾构法隧道施工会引起隧道周围一定范围土体的位移，对土体位移进行较为准确地分析，对于控制隧道周围土体位移量和减小过大位移对既有建筑物及管线带来的危害十分重要。隧道周围土体的位移是由地层损失引起的，并且与注浆量有很大关系。根据地层损失与注浆量的空间分布规律，应用镜像方法原理，对盾构法隧道推进产生的土体位移与应力进行空间分析，得到隧道周围土体的位移与应力分布，计算结果与天津地铁施工过程的现场实测结果对比表明，该方法行之有效。

Abstract

Shield tunneling causes movements of the soil around the tunnel

so estimating potential soil movement is very important to control soil movement amount and protect existed construction foundation and underground pipelines. Soil displacements are induced by ground loss and are affected greatly by grouting amount. According to the regularities of distribution of ground loss and grouting amount

the paper initiates spatial analysis of soil displacements and stresses during shield tunneling by using image theory. Comparing with the observed results of Tianjin metro project

it is identified to be dependable.

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