Excavation Simulation and Numerical Analysis of Earthquake Response of Shield Tunnel

沈慧; 迟世春

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Excavation Simulation and Numerical Analysis of Earthquake Response of Shield Tunnel

更新时间：2025-12-11

- Excavation Simulation and Numerical Analysis of Earthquake Response of Shield Tunnel
- Issue 3, Pages: 284-289(2007)
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  CLC： 451
- Published：2007
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[1]沈慧,迟世春.盾构隧道的开挖模拟及地震反应数值分析[J].防灾减灾工程学报,2007(03):284-289.

沈慧, 迟世春. Excavation Simulation and Numerical Analysis of Earthquake Response of Shield Tunnel[J]. 2007, (3): 284-289.
[1]沈慧,迟世春.盾构隧道的开挖模拟及地震反应数值分析[J].防灾减灾工程学报,2007(03):284-289. DOI：

沈慧, 迟世春. Excavation Simulation and Numerical Analysis of Earthquake Response of Shield Tunnel[J]. 2007, (3): 284-289. DOI：

摘要

由于盾构隧道掘进的特殊施工工艺

使开挖模拟的数值计算存在着诸多难以量化的因素。采用应力释放法模拟盾构隧道的开挖

在衬砌和土体之间设置等代层单元模拟盾构施工的影响

求得竣工期的应力场和位移场。在静力计算基础上运用动力有限元时程分析法

采用粘性人工边界条件

分析了隧道衬砌在地震过程中的最大响应。其结果和规律可为一般的盾构隧道地震反应分析提供借鉴。

Abstract

Because of the special construction process of shield tunnel

there are several factors difficult to estimate in the simulation of excavation.In this article

based on stress-releasing method

setting equivalent circle element between soil and lining to simulate the influence of shield tunnel construction

the stress and displacement distribution are determined.Furthermore

time history analysis of 3D dynamic nonlinear FEM with viscous boundary is adopted to research the earthquake response of lining.The maximum response of the lining is obtained.The paper reaches some beneficial rules and conclusions

which can provide reference and argument for seismic analysis of some general shield tunnels.

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references

隧道岩体赋存地质特征及开挖过程描述 [J]. 吉小明,任伟新. 地下空间与工程学报 . 2006(04)

盾构法隧道引起的地表变形分析 [J]. 张云,殷宗泽,徐永福. 岩石力学与工程学报 . 2002(03)

地下结构抗震分析综述(上) [J]. 林皋. 世界地震工程 . 1990(02)

地铁地下结构抗震理论分析与应用研究 [D]. 李彬. 清华大学 2005

隧道标准规范(盾构篇)及解说[M]. 中国建筑工业出版社 , (日)土木学会编, 2001

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