[1]庄海洋,龙慧,陈国兴.复杂大型地铁地下车站结构非线性地震反应分析[J].地震工程与工程振动,2013,33(02):192-199.
 ZHUANG Haiyang,LONG Hui,CHEN Guoxing.Analysis of the nonlinear earthquake responses of a large complicated subway underground station[J].EARTHQUAKE ENGINEERING AND ENGINEERING DYNAMICS,2013,33(02):192-199.
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复杂大型地铁地下车站结构非线性地震反应分析
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《地震工程与工程振动》[ISSN:/CN:]

卷:
33
期数:
2013年02期
页码:
192-199
栏目:
出版日期:
2013-04-28

文章信息/Info

Title:
Analysis of the nonlinear earthquake responses of a large complicated subway underground station
作者:
庄海洋12 龙慧12 陈国兴12
1. 南京工业大学 岩土工程研究所, 江苏 南京 210009;
2. 江苏省土木工程防震技术研究中心, 江苏 南京 210009
Author(s):
ZHUANG Haiyang12 LONG Hui12 CHEN Guoxing12
1. Institute of Geotechnical Engineering, Nanjing University of Technology, Nanjing 210009, China;
2. Civil Engineering & Earthquake Disaster Prevention Center of Jiangsu Province, Nanjing 210009, China
关键词:
地铁地下车站结构土与结构相互作用地震反应
Keywords:
subway underground structuresoil-structure interactionearthquake engineering
分类号:
U23;P315.93
摘要:
以苏州地铁一号线的星海站为工程背景,对上层为五跨和下层为三跨的地铁车站结构的抗震性能进行数值计算,考虑了土体与混凝土的强非线性特性和土与结构接触非线性特性,分析了结构的层间位移反应特征和结构构件连接部位的应力反应规律,以及结构构件的动态损伤演化规律。研究结果表明: 车站结构柱子底端的应力反应大于顶端的应力反应,边柱底端的反应大于中柱底端的反应,下层柱底的应力反应大于上层柱底的应力反应;车站结构的上层侧墙的顶底部结点的应力反应明显比下层侧墙的对应位置结点处的要大;车站结构顶板的中跨端部结点的应力反应明显比侧边跨和侧中跨的要大;车站结构中板的侧中跨端部的应力反应明显比中跨端点处的要大,同时中跨端点处的应力反应又要比侧跨端部的要大;下层右中柱及下层侧墙底部外侧均为破坏最为严重的区域。研究成果对提高该类地铁车站结构抗震性能的认识及其抗震设计水平提供合理的参考与指导。
Abstract:
As far as the Xinghai subway station built in Suzhou city of China is concerned, the earthquake resistant behavior of a large subway station with three spans in the lower floor and five spans in the upper floor is simulated and analyzed by using finite-element method in detail. By considering the spectrum characteristics of ground motions input,the dynamic contact interaction of the interfaces, the nonlinear properties of soils and concrete under dynamic loading and so on, the dynamic horizontal relative displacement among the inter-stories of structure, the stress responses on the component joints of structure and the damage process of structural components are analyzed. The research results show that the stress responses at the bottom of columns seem to be stronger than that at the top of columns, and the stress responses at the bottom of the side columns is obviously stronger than that of the middle columns. Moreover, the stress responses at the bottom of columns on the lower floor are stronger than that on the upper floor. At the same time, the stress responses at the top and bottom of side walls on the upper floor are stronger than that at the corresponding positions on the lower floor. Stress responses at the end of middle spans on the top slab are stronger than that of other spans. The earthquake damage to the right-middle columns and side walls of the lower floor are very seriously. Also, the spectrum characteristics of ground motions input have obvious effect on the earthquake responses of the dynamic interaction system.

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备注/Memo

备注/Memo:
收稿日期:2012-4-24;改回日期:2012-6-8。
作者简介:庄海洋(1978-),男,副教授,博士,主要从事城市轨道交通工程防震(振)减灾和土动力学等方面的研究与教学工作.E-mail:zhuang7802@163.com
更新日期/Last Update: 1900-01-01