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《Rock and Soil Mechanics》 2007-S1
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A simple method to approximately determine the damping ratio of soils

CHEN Wei,KONG Ling-wei,ZHU Jian-qun (Institule of Rock and Soil Mechanics,Chinese Academy of Sciences,Wuhan 430071 China)  
By replacing the dynamic stress-strain hysteresis loop with polygon,a simple method of determining the damping ratio of soils approximately is proposed. The method can use test results directly,and by using this method,the process of detemining damping ratio will be simplified. Then the results determined by this method and the traditional ellipse pseudo method are compared,differences are found between them because the actual hysteresis loop recorded in dynamic triaxial tests are not standard ellipse.
【Fund】: 湖北省青年杰出人才基金项目(No.2006ABB012);; 中国科学院武汉岩土力学研究所重点实验室开放课题项目(No.Q000306)
【CateGory Index】: TU43
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