Research on method for identifying cemented soil stability for large-diameter shield tunnelling breakthrough

LIAO Yi-lei; ZHANG Zi-xin; ZHANG Guan-jun

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Research on method for identifying cemented soil stability for large-diameter shield tunnelling breakthrough

更新时间：2026-06-25

- Research on method for identifying cemented soil stability for large-diameter shield tunnelling breakthrough
- Vol. 32, Issue S2, (2011)
- 作者机构：
  
  1. 同济大学岩土及地下工程教育部重点试验室,上海,200092
  2. 同济大学地下建筑与工程系,上海,200092
  3. 上海隧道股份工程有限公司,上海,200032
- 作者简介：
- 基金信息：
- DOI：
  CLC： U455.4
- Online First：26 August 2011，
  
  Published：2011
- 稿件说明：
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LIAO Yi-lei, ZHANG Zi-xin, ZHANG Guan-jun. Research on method for identifying cemented soil stability for large-diameter shield tunnelling breakthrough[J]. 2011, 32(S2).
DOI：

LIAO Yi-lei, ZHANG Zi-xin, ZHANG Guan-jun. Research on method for identifying cemented soil stability for large-diameter shield tunnelling breakthrough[J]. 2011, 32(S2). DOI：

摘要

从监测指标和监测范围两个方面对钱江隧道盾构进出洞加固体稳定性的实时判别进行了研究，即首先在分析板块理论和弹塑性静力学理论的基础上，提出能实时反映盾构进出洞加固体稳定性的监测项目，包括水土压力P及其相应的稳定性评价指标、，而后采用理论分析和试验研究加固体的破坏模式，在此基础上，提出加固体实时监测点布置方案。通过监测点的合理布置，监测加固体所受水土压力P，计算、，可实现加固体稳定性的实时评价

Abstract

How to timely identify cemented soil stability for Qianjiang tunnel breakthrough is discussed in terms of monitoring indices and monitoring range. Firstly

based on the plate theory and elastoplasticity theory

the water and earth pressures on the cemented soil are presented which can timely identify the cemented soil stability during shield tunnelling breakthrough as well as two indices

. Then

a failure mode for the cemented soil is put forward on the basis of existing failure modes to underlie the observation point layout

and verified by model test. The cemented soil stability can be estimated timely by calculating

from the measurement values when measuring points are distributed rationally.

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