| 用纤维模型对地下结构地震破坏的数值模拟分析 |
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| 引用本文： | 刘如山, 邬玉斌, 杜修力. 用纤维模型对地下结构地震破坏的数值模拟分析[J]. 北京工业大学学报, 2010, 36(11): 1488-1495. |
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| 作者姓名： | 刘如山 邬玉斌 杜修力 |
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| 作者单位： | 中国地震局工程力学研究所,哈尔滨,150080;北京工业大学建筑工程学院,北京,100124 |
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| 基金项目： | 国家"九七三"发展计划资助项目，国家公益性行业科研专项资助项目，北京市科技计划资助项目 |
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| 摘 要： | 以1995年日本神户地震时遭受破坏的大开地铁车站为研究对象,按照车站的结构尺寸和周围土层的参数,建立了土-结构二维平面应变有限元分析模型,并对地铁车站结构的薄弱部位,采用了考虑钢筋和混凝土材料非线性的纤维单元模型.利用土体地震时等效阻尼比和等效剪切模量来考虑土体的动力非线性,以神户地震Port岛地下83m处记录到的南北向和铅直向加速度波形作为二维地震动的输入波,模拟了大开车站地震时的动力反应和破坏过程,研究该站的地震破坏机理,分析了中柱、上壁和侧壁的破坏类型.
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| 关 键 词： | 地下结构 纤维模型 中柱 等效线性化 破坏机理 |
| 收稿时间： | 2008-09-09 |
Numerical Simulation Analysis on Earthquake Damage of Underground Structure with Fiber Model |
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| LIU Ru-shan, WU Yu-bin, DU Xiu-li. Numerical Simulation Analysis on Earthquake Damage of Underground Structure with Fiber Model[J]. Journal of Beijing University of Technology, 2010, 36(11): 1488-1495. |
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| Authors: | LIU Ru-shan WU Yu-bin DU Xiu-li |
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| Affiliation: | LIU Ru-shan1,WU Yu-bin1,DU Xiu-li2(1.Institute of Engineering Mechanics,China Earthquake Administration,Harbin,150080,China,2.College of Architecture and Civil Engineering,Beijing University of Technology,Beijing,100124,China) |
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| Abstract: | The soil-structure finite element model of DAIKAI subway station damaged in 1995 kobe earthquake was built by two dimensional plane strain element,in full accordance with the actual structure size and ground information of DAIKAI subway station.Both dynamical response and damage process of DAIKAI subway station were simulated based on XN and UD acceteration time histories recorded at 83 m underground in port istand in kobe earthquake,while dynamical non-linearity was considered by both equivalent damp and e... |
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| Keywords: | underground structure fiber model middle column equivalent linearization destroy mechanism |
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