Analysis of ground movements due to shield tunneling by using a gap-parameter model

YANG Guan-tian; XIANG Yan-yong; ZHANG Feng

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Analysis of ground movements due to shield tunneling by using a gap-parameter model

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- Analysis of ground movements due to shield tunneling by using a gap-parameter model
- Vol. 26, Issue 10, (2005)
- 作者机构：
  
  1. 北京交通大学土木建筑学院,北京,100044
  2. 北京城建盾构公司,北京,100029
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU443
- Online First：30 December 2013，
  
  Published：2005
- 稿件说明：
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YANG Guan-tian, XIANG Yan-yong, ZHANG Feng. Analysis of ground movements due to shield tunneling by using a gap-parameter model[J]. 2005, 26(10).
DOI：

YANG Guan-tian, XIANG Yan-yong, ZHANG Feng. Analysis of ground movements due to shield tunneling by using a gap-parameter model[J]. 2005, 26(10). DOI：

摘要

基于一种盾构加载模型并引进间隙参数的概念，对盾构隧道周围土体位移的机理及预测方法进行了总结。盾构相对于设计轴线的偏移是影响土体变形的主要原因之一。确定间隙参数是应用解析方法的关键步骤，提出了一个半经验、半解析方法，并针对一个工程实例把现场测量值和理论计算值进行了对比分析。

Abstract

Based on a loading model for shield tunneling and the concept of gap parameter

the mechanism and a prediction method of shield tunneling-induced ground movements are introduced. The offsets of a tunnel shield from its design axis are the main cause for ground movements. Identification of the gap parameter is one of the most important steps when using an analytical method. A semi-empirical and semi-analytical approach is proposed; and as a case study of shield tunneling

the field-observed and the theoretically predicted ground movements are comparatively analyzed.

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Related Institution

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