Numerical analysis of freezing soil curtain of tunnel connected aisle

WU Ya-jun; YANG Min; LI Da-yong

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Numerical analysis of freezing soil curtain of tunnel connected aisle

更新时间：2026-06-25

- Numerical analysis of freezing soil curtain of tunnel connected aisle
- Vol. 27, Issue 3, (2006)
- 作者机构：
  
  1. 同济大学岩土工程重点实验室,上海,200092
  2. 同济大学土木工程学院地下建筑与工程系,上海,200092
  3. 山东科技大学土木建筑学院,青岛,266510
- 作者简介：
- 基金信息：
- DOI：
  CLC： U456
- Online First：06 November 2013，
  
  Published：2006
- 稿件说明：
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WU Ya-jun, YANG Min, LI Da-yong. Numerical analysis of freezing soil curtain of tunnel connected aisle[J]. 2006, 27(3).
DOI：

WU Ya-jun, YANG Min, LI Da-yong. Numerical analysis of freezing soil curtain of tunnel connected aisle[J]. 2006, 27(3). DOI：

摘要

从数值方法的角度对大连路隧道联络通道冻结法施工冻结帷幕的变形与应力进行了分析与安全评价，详细讨论了帷幕中位移及应力的分布情况，并指出了帷幕最不利状态的分布位置在帷幕与已建隧道接触处，由于该处的冻结效果最差，所以施工中必须特别注意；对于上海地区类似工程来说，1.8 m厚的冻土帷幕是可以满足施工要求的，从而为今后联络通道数值分析及冻结法施工提供了一定的经验。

Abstract

The deformation and stress of freezing soil curtain are analyzed by numerical method during the construction of connected aisle at Dalian Road tunnel; and the stability of freezing soil curtain is also evaluated. The distribution laws for displacements and stresses of freezing soils due to the excavating soil are also discussed in detail. Based on the above research

the most dangerous positions of freezing soil curtain lie in the interface between the soil curtain and the built tunnels. It should be noticed more carefully during construction due to the worse effect of freezing here. For alike projects such as freezing soil curtain in Shanghai

the freezing soil curtain with 1.8m thickness can satisfy the demands of construction. Therefore

this paper could be available for the construction of the connected aisle in theory and practice.

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