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Study on the rupture characteristics of the overlaying soil with soft interlayer due to fault bedrock dislocation

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【Author】 ZHAO Lei1), LI Xiao-jun2,3) HUO Da1) 1) Department of Civil Engineering,Beijing University of Technology,Beijing 100022,China 2) Institute of Engineering Mechanics,China Earthquake Administration,Harbin 150080,China 3) Institute of Geophysics,China Earthquake Administration,Beijing 100081,China

【机构】 Department of Civil Engineering Beijing University of Technology； Institute of Engineering Mechanics； China Earthquake Administration； Institute of Geophysics； Beijing 100081； China； Department of Civil Engineering； Beijing University of Technology； Beijing 100022； Harbin 150080；

【Abstract】 In this paper,the rupture characteristics of the overlaying soil with soft interlayer were studied by plane-strain finite element method. From the results,it can be shown that the existence of soft layer separates rupture process of the overlaying soil into two phases. The depth of a buried soft interlayer will influence the rupture process and the rupture range of the overlaying soil. The deeply buried soft interlayer would bring about a wider range of sur-face failure. In addition,the thickness of the soft layer also has effect on the rupture process and rupture range of the overlaying soil.更多还原

【关键词】 fault； soft interlayer； overlaying soil； finite element method；
【Key words】 fault； soft interlayer； overlaying soil； finite element method；

【基金】 National Natural Science Foundation of China (50078049).

【文献出处】 Acta Seismologica Sinica(English Edition) ,地震学报(英文版) , 编辑部邮箱 ,2006年05期

【分类号】P315.8
【下载频次】23

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