An approach to evaluate ground surface rupture caused by reverse fault movement

被引:0
|
作者
Zhao J. [1 ,2 ]
Tao X. [1 ,3 ]
Shi L. [1 ]
Wang H. [3 ]
机构
[1] Institute of Engineering Mechanics, China Earthquake Administration
[2] State Key Laboratory of Frozen Soil Engineering, CAREERI, CAS
[3] Department of Civil Engineering, Harbin Institute of Technology
关键词
Friction law; Localized band; Onset and evolution strain localization; Reverse fault; Slippage line; Surface rupture;
D O I
10.1007/s11803-006-0484-6
中图分类号
学科分类号
摘要
An approach for estimating ground surface rupture caused by strong earthquakes is presented in this paper, where the finite element (FE) method of continuous and discontinuous coalescent displacement fields is adopted. The onset condition of strain localization is introduced to detect the formation of the slippage line. In the analysis, the Drucker-Prager constitutive model is used for soils and the rate- and state-dependent friction law is used on the slippage line to simulate the evolution of the sliding. A simple application to evaluate the ground surface rupture induced by a reverse fault movement is provided, and the numerical simulation shows good agreement with failure characteristics observed in the field after strong earthquakes.
引用
收藏
页码:29 / 39
页数:10
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