Study on the Seismic Response of Underground Structures Considering the Constraint of Surrounding Soil

路德春; 冯科伟; 杜修力

doi:10.13409/j.cnki.jdpme.2018.04.001

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Study on the Seismic Response of Underground Structures Considering the Constraint of Surrounding Soil

更新时间：2025-12-11

- Study on the Seismic Response of Underground Structures Considering the Constraint of Surrounding Soil
- Vol. 38, Issue 4, Pages: 591-598(2018)
- 作者机构：
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- DOI：10.13409/j.cnki.jdpme.2018.04.001
  CLC： U93
- Published：2018
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[1]路德春,冯科伟,杜修力.土体约束特性对地下结构地震反应的影响研究[J].防灾减灾工程学报,2018,38(04):591-598.

路德春, 冯科伟, 杜修力. Study on the Seismic Response of Underground Structures Considering the Constraint of Surrounding Soil[J]. 2018, 38(4): 591-598.
[1]路德春,冯科伟,杜修力.土体约束特性对地下结构地震反应的影响研究[J].防灾减灾工程学报,2018,38(04):591-598. DOI： 10.13409/j.cnki.jdpme.2018.04.001.

路德春, 冯科伟, 杜修力. Study on the Seismic Response of Underground Structures Considering the Constraint of Surrounding Soil[J]. 2018, 38(4): 591-598. DOI： 10.13409/j.cnki.jdpme.2018.04.001.

摘要

针对土体对地下结构的约束效应

从相对刚度、相对埋深和土与结构界面接触特性三个方面

研究土体约束特性对地下结构地震反应的影响规律。以大开地铁车站单层段为研究对象

以中柱层间位移角为结构地震反应评价指标

利用ABAQUS有限元软件建立二维整体时域动力有限元模型

选取8种相对刚度工况、4种相对埋深工况和4个界面接触特性工况

分析地震动峰值加速度时刻地下结构的地震反应规律

结果表明:受土体约束特性的影响

相对刚度和相对埋深均存在一个抗震最不利范围

在该范围内

地下结构地震反应最大;当接触界面摩擦系数f<tanφ时

随摩擦系数的增大

地下结构地震反应增大;当摩擦系数f≥tanφ时

摩擦系数的改变对地下结构地震反应影响很小。

Abstract

For the constraint effect of surrounding soil on underground structures

the influence of soil constraint on the seismic response of underground structures is studied in terms of relative stiffness

relative depth

and contact properties. Taking the single-layer section of the Daikai station as the research object and the drift angle of central column as the evaluation index of structural seismic response

2 D integrated dynamic finite element simulations are carried out in time domain by using ABAQUS. Eight relative stiffnesses

four relative depth

and four frictional conditions are selected to analyze the seismic response of underground structure at the peak acceleration moment of ground motion. Results show that: due to the constraint effect of soil

both the relative stiffness and the relative depth have a most unfavorable range of seismic resistance;the seismic response of underground structure at the peak acceleration moment of ground motion is the largest in this range. When the friction coefficient of contact surface is in the range of f<tanφ

the seismic response increases as the friction coefficient increases. When the friction coefficient is in the range of f≥ tanφ

the change of friction coefficient has little effect on the seismic response of underground structures.

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references

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