| 覆盖土层场地地震断裂反应分析方法 |
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| 引用本文： | 郭恩栋,邵广彪,薄景山,石兆吉.覆盖土层场地地震断裂反应分析方法[J].地震工程与工程振动,2002,22(5):122-126. |
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| 作者姓名： | 郭恩栋 邵广彪 薄景山 石兆吉 |
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| 作者单位： | 中国地震局工程力学研究所,黑龙江,哈尔滨,150080 |
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| 基金项目： | 中国地震局工程力学研究所预研究项目 ( 2 0 0 10 80 1) |
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| 摘 要： | 基于有限元和拟静力的根本原理，提出了一种基于断层位错的覆盖土层场地地震断裂反应弹塑性有限元分析方法，计算中考虑了土层厚度、断层种类和倾角、软弱夹层以及土的非线性等因素，通过编制的程序计算了地表断裂位移，模拟了土层的破裂过程。
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| 关 键 词： | 覆盖土层 地震断裂 弹塑性 有限元 断层 有限元分析方法 |
| 文章编号： | 1000-1301(2002)05-0122-05 |
A method for earthquake rupture analysis of overlying soil site |
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| GUO En-dong,SHAO Guang-biao,BO Jing-shan,SHI Zhao-ji.A method for earthquake rupture analysis of overlying soil site[J].Earthquake Engineering and Engineering Vibration,2002,22(5):122-126. |
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| Authors: | GUO En-dong SHAO Guang-biao BO Jing-shan SHI Zhao-ji |
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| Abstract: | In this paper, based on FEM and pseudo-static theory, an elastic-plastic FE analysis method is proposed for earthquake rupture response of overlying soil site snbjected to fault movement. Factors such as the depth of overlying soil, kinds and dip angle of fault, soft deposit and the soil's non-linearity are taken into account. Surface failure displacement is studied and rupture process of soil mass is simulated. |
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| Keywords: | overlying soil earthquake rupture elasto-plastic |
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