Analysis on the Earthquake Response of Subway Station Based on the Substructure Subtraction Method

陈国兴; 庄海洋; 史国龙

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Analysis on the Earthquake Response of Subway Station Based on the Substructure Subtraction Method

更新时间：2025-12-11

- Analysis on the Earthquake Response of Subway Station Based on the Substructure Subtraction Method
- Issue 4, Pages: 396-401(2004)
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  CLC： U311.3
- Published：2004
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[1]陈国兴,庄海洋,史国龙.地铁车站结构地震反应分析的子结构法(英文)[J].防灾减灾工程学报,2004(04):396-401.

陈国兴, 庄海洋, 史国龙. Analysis on the Earthquake Response of Subway Station Based on the Substructure Subtraction Method[J]. 2004, (4): 396-401.
[1]陈国兴,庄海洋,史国龙.地铁车站结构地震反应分析的子结构法(英文)[J].防灾减灾工程学报,2004(04):396-401. DOI：

陈国兴, 庄海洋, 史国龙. Analysis on the Earthquake Response of Subway Station Based on the Substructure Subtraction Method[J]. 2004, (4): 396-401. DOI：

摘要

对 1 995年日本阪神地震中地铁车站的破坏现象进行了研究

分析了地铁车站的地震破坏机理 ;采用二维子结构分析方法和软件SASSI2 0 0 0

分别对水平向和竖向地震动作用下神户大开地铁车站结构的地震反应进行了数值模拟分析。首先采用SHAKE91程序计算自由场土体的动剪切模量和阻尼比

在SASSI2 0 0 0中不再考虑土体的非线性

在建模时把地铁车站上方的土体作为车站的附属结构。把本文的计算结果与 1 995年阪神地震中该车站的震害进行了详细的对比分析

发现本文所得的大开地铁车站地震反应规律与其震害完全吻合

本文的计算结果能够合理的解释神户大开地铁车站的各种震害现象。因此

本文对地下车站的抗震设计具有一定的参考价值和指导意义

Abstract

The damage to Daikai subway station in Kobe city

Japan during 1995 Kobe earthquake is analyzed in detail. The earthquake responses of Daikai subway station under bedrock ground motion in horizontal and vertical direction are analyzed respectively by the 2-D substructure subtraction method modeled by software SASSI2000. The effect of soil-structure dynamic interaction and soil nonlinear dynamic property on the earthquake responses of Daikai subway station are considered

where Soil nonlinear dynamic property is describe by equivalent linearization model and the dynamic performance parameters of soil layers are obtained by software SHAKE91. The soils above the subway station are considered as an affiliated structure of the subway station. The nephograms of all kinds of stress induced by earthquake ground motion are drawn. Analyzing on the nephograms proves that the collapse of the columns in Daikai subway station were induced by both of the horizontal and vertical vibrations. All kinds of damage caused by the 1995 Kobe earthquake can be explained well by nephograms drawn in this paper.

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