Study on Response of Centre Column of Metro Station in Soft Soils to Strong Earthquake

蒋英礼; 赵伯明; 胡晓勇

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Study on Response of Centre Column of Metro Station in Soft Soils to Strong Earthquake

更新时间：2025-12-11

- Study on Response of Centre Column of Metro Station in Soft Soils to Strong Earthquake
- Vol. 29, Issue 4, Pages: 405-410(2009)
- 作者机构：
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  CLC： 315.9;U213.4
- Published：2009
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[1]蒋英礼,赵伯明,胡晓勇.软土地铁车站中柱在强震作用下的响应研究[J].防灾减灾工程学报,2009,29(04):405-410.

蒋英礼, 赵伯明, 胡晓勇. Study on Response of Centre Column of Metro Station in Soft Soils to Strong Earthquake[J]. 2009, 29(4): 405-410.
[1]蒋英礼,赵伯明,胡晓勇.软土地铁车站中柱在强震作用下的响应研究[J].防灾减灾工程学报,2009,29(04):405-410. DOI：

蒋英礼, 赵伯明, 胡晓勇. Study on Response of Centre Column of Metro Station in Soft Soils to Strong Earthquake[J]. 2009, 29(4): 405-410. DOI：

摘要

将汶川地震时获得的地震波作为输入波

利用FLAC3D软件对软土典型地铁车站中柱进行强震响应的三维数值模拟。土体采用D-P本构模型

车站结构采用弹性模型

并选用瑞利阻尼和Hardin/Drnevich模型的滞后阻尼来实现土在循环动荷载下的滞回和非线性。计算结果包括中柱的相对变形、轴力、剪力、弯矩及车站中柱的加速度响应规律。结果表明:下层中柱是地铁车站受地震波作用时最为薄弱的构件

并且中柱的破坏系水平向地震波和竖直向地震波共同作用的结果。

Abstract

With the seismic wave recorded in Wenchuan earthquake as the input

the centre column of a typical metro station was simulated numerically by the software FLAC3D for its strong seismic responses.The D-P constitutive model was assumed for the soils

the elasticity for the station structure

and Rayleigh damping and Hardin/Drnevich model of hysteretic damping were used to simulate the nonlinearity and hysteresis of the soils under cyclic dynamic loading.The computational results include the relative deformation

axial force

shearing force

bending moment in the centre column

as well as its regularity of the acceleration response.They show that the centre column on the lower floor is the weakest component of the station structure in earthquake

and its damages are due to the combined effects of horizontal and vertical ground motions.

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references

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地铁盾构隧道地震反应分析 [J]. 刘晶波,李彬,谷音. 清华大学学报(自然科学版) . 2005(06)

基于ANSYS平台复杂地质体FLAC 3D 模型的自动生成 [J]. 廖秋林,曾钱帮,刘彤,路世豹,侯哲生. 岩石力学与工程学报 . 2005(06)

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