| SH波在多个浅埋圆形孔洞附近的多个含孔半圆形凸起地形处的散射 |
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| 引用本文： | 李敏,冯云亭,贲伟.SH波在多个浅埋圆形孔洞附近的多个含孔半圆形凸起地形处的散射[J].地震工程与工程振动,2008,28(4). |
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| 作者姓名： | 李敏 冯云亭 贲伟 |
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| 作者单位： | 大庆石油学院机械科学与工程学院,黑龙江,大庆,163318 |
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| 基金项目： | 黑龙江省自然科学基金，黑龙江省教育厅科学技术研究项目 |
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| 摘 要： | 为研究地震时局部地形与附近浅埋结构的作用,文中使用"分区"思想,复变函数法和移动坐标的方法,建立多个浅埋圆形孔洞附近的多个含孔半圆形凸起地形对SH波的散射的数学模型,并通过算例给出含孔半圆形凸起地形的地表位移,讨论了浅埋圆孔的深度、含孔半圆形凸起间距及浅埋圆孔间距对地表位移影响。
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| 关 键 词： | SH波 多个浅埋圆形孔洞 多个含孔半圆形凸起 地表位移幅值 |
Scattering of SH-waves by multiple semi-cylindrical hills with hole above subsurface multiple cavities |
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| LI Min,FENG Yunting,BEN Wei.Scattering of SH-waves by multiple semi-cylindrical hills with hole above subsurface multiple cavities[J].Earthquake Engineering and Engineering Vibration,2008,28(4). |
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| Authors: | LI Min FENG Yunting BEN Wei |
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| Abstract: | The authors studied the interaction between local terrain and subsurface structures during earthquakes.The idea of subarea,functions of complex variables and mobile coordinate method are used in the article.A model of the scattering of SH-waves by multiple semi-cylindrical hills with hole above subsurface multiple cavity is founded.Surface remove of semi-cylindrical hill-like protruding with a cavity is presented by examples.The influences of the distance of the two semi-cylindrical hills and the two subsurface circular cavities and the deepness of subsurface cavities on the surface remove are discussed. |
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| Keywords: | SH-wave subsurface multiple circular cavity multiple semi-cylindrical hill with homocentric hole Displacement amplitude |
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