Comparison between Circular and Straight-wall-top-arch Tunnels under Seismic Response Based on Numerical Simulation

左熹; 陈国兴; 庄海洋

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Comparison between Circular and Straight-wall-top-arch Tunnels under Seismic Response Based on Numerical Simulation

更新时间：2025-12-11

- Comparison between Circular and Straight-wall-top-arch Tunnels under Seismic Response Based on Numerical Simulation
- Issue 4, Pages: 401-406+420(2007)
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  CLC： 452.28
- Published：2007
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[1]左熹,陈国兴,庄海洋.圆形和直墙拱形地下隧道地震反应数值模拟对比分析[J].防灾减灾工程学报,2007(04):401-406+420.

左熹, 陈国兴, 庄海洋. Comparison between Circular and Straight-wall-top-arch Tunnels under Seismic Response Based on Numerical Simulation[J]. 2007, (4): 401-406+420.
[1]左熹,陈国兴,庄海洋.圆形和直墙拱形地下隧道地震反应数值模拟对比分析[J].防灾减灾工程学报,2007(04):401-406+420. DOI：

左熹, 陈国兴, 庄海洋. Comparison between Circular and Straight-wall-top-arch Tunnels under Seismic Response Based on Numerical Simulation[J]. 2007, (4): 401-406+420. DOI：

摘要

考虑土与结构动力相互作用的影响

将地基土—地铁区间隧道结构体系视为平面应变问题

建立了土—地铁区间隧道非线性动力相互作用的有限元分析模型

对圆形和直墙拱形隧道的地震反应进行了数值模拟;分析了在相同的埋深和场地条件的情况下不同隧道结构形式在不同地震动作用下的应力、加速度和相对水平位移反应特性。结果表明:圆形隧道结构的应力和相对水平位移反应明显小于直墙拱形隧道。从抗震设计角度考虑

选择隧道形状时应优先采用圆形隧道。

Abstract

By Using ABAQUS finite-element software and considering the influence of soil-structure interaction

the nonlinear dynamic soil-metro tunnel interaction is modeled.Seismic response of the circular and straight-wall-top-arch tunnel is numerical analyzed

the stresses

acceleration responses and relative horizontal displacements of the tunnel with the same field condition and buried depth are obtained.The computation results prove that stress and relative horizontal displacement response of circular tunnel are less than that of straight-wall-top-arch tunnel

hence circular-shaped tunnel should be considered as a priority.

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references

土体动非线性黏弹性模型及其ABAQUS软件的实现 [J]. 庄海洋,陈国兴,梁艳仙,徐明. 岩土力学 . 2007(03)

两层双柱岛式地铁车站结构水平向非线性地震反应分析 [J]. 庄海洋,陈国兴,胡晓明. 岩石力学与工程学报 . 2006(S1)

地下结构地震反应非线性分析 [J]. 谷拴成,朱彬,杨鹏. 地下空间与工程学报 . 2006(05)

双洞单轨地铁区间隧道非线性地震反应分析 [J]. 庄海洋,陈国兴. 地震工程与工程振动 . 2006(02)

基于Davidenkov骨架曲线的土体动力本构关系及其参数研究 [J]. 陈国兴,庄海洋. 岩土工程学报 . 2005(08)

南京河西地区软土场地地震动参数研究 [J]. 陈国兴,杨伟林,严新育. 南京工业大学学报(自然科学版) . 2002(01)

结构-地基动力相互作用问题分析的一种直接方法 [J]. 刘晶波,吕彦东. 土木工程学报 . 1998(03)

Plastic-Damage Model for Cyclic Loading of Concrete Structures [J] . Jeeho Lee,Gregory L. Fenves. Journal of Engineering Mechanics . 1998 (8)

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