| 地震作用下地铁车站结构的动力变形响应研究 |
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| 引用本文： | 边金,陶连金,王文沛,张波.地震作用下地铁车站结构的动力变形响应研究[J].地震学刊,2010(4):393-397. |
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| 作者姓名： | 边金 陶连金 王文沛 张波 |
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| 作者单位： | [1]广东海洋大学工程学院,广东湛江524088 [2]北京工业大学城市与工程安全减灾省部共建教育部重点实验室,北京100022 |
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| 基金项目： | 973课题（2007CB714203）、国家自然科学基金重点项目（90715035）、广东海洋大学引进人才启动项目（0712101）资助 |
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| 摘 要： | 研究地铁车站结构在地震作用下的变形,对地铁的建设和安全运营有着重要的现实意义。本文进行了北京地区土层中典型地铁车站结构的振动台试验,并使用FLAC2D对试验进行模拟分析,得到了在地震作用下地铁车站结构的变形响应规律。结果表明：地铁结构的变形峰值随地震强度的增加而增加;结构中柱的峰值应变和峰值挠度曲线曲率,两端大、中间小;侧墙峰值挠度曲线的各点曲率为常数,这是因为侧墙与顶底板组成的箱形结构整体刚度大,难以发生破坏;中柱底端应变呈正负循环变化,侧墙的应变曲线与受冲击荷载的变形曲线相似。
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| 关 键 词： | 地铁车站 地震作用 振动台试验 动力变形分析 |
Research on Dynamic Deformation Responses of Subway Station Structure during an Earthquake |
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| BIAN Jin,TAO Lian-jin,WANG Wen-pei,ZHANG Bo.Research on Dynamic Deformation Responses of Subway Station Structure during an Earthquake[J].Journal of Seismology,2010(4):393-397. |
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| Authors: | BIAN Jin TAO Lian-jin WANG Wen-pei ZHANG Bo |
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| Institution: | 1. Engineering College of Guangdong Ocean University, Zhanjiang 524088, China 2. City and Project Safety Hazards Mitigation Educational Key Laboratory, Beijing University of Technology, Beijing 100022, China) |
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| Abstract: | It is important for subway construction and safe management to study the underground structure deformation during a strong earthquake. The shaking table model test is done for the typical subway station structure in soil on the basis of the geological conditions of Beijing, and the numerical calculation is made by FLACzD. Based on the analysis of the deformation of the subway station structure, the following conclusions are drawn： the peak deformation value increases with the earthquake intensity; the strain peak and the deflection peak curvature are larger at two ends than at the middle of the midpile, so it＇s prone to damage at the ends; the curvature of the sidewall deflection peak curve basically keeps constant and the sidewalls form a box type structure, so its damage may be prevented; according to the test data, the strain varies around the zero point, and the strain curves at the sidewall are similar to that under the shock load. |
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| Keywords: | subway station earthquake shaking table test dynamic deformation analysis |
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