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Numerical simulation of rheological properties of rocks in seepage field
Author(s): YAN Yan, WANG Enzhi, WANG Sijing
Pages: 1943-
1949
Year: 2010
Issue:
6
Journal: Rock and Soil Mechanics
Keyword: 岩石流变; 数值模拟; 单向渗流场; 三向渗流场;
Abstract: 渗流对岩石的流变特性有显著的影响,但限于试验条件,相关的试验成果较少.而数值计算技术已成为进行岩石力学研究的重要方法,因此,采用数值模拟方法对渗流场中岩石的流变特性进行了研究.对已有的岩石室内流变试验进行模拟来验证数值方法的有效性,在压缩流变试验的数值模拟中对试件分别施加单向、三向渗流场来模拟不同渗流条件对岩石流变特性的影响.模拟结果表明,在渗流方向上渗流产生的动水压力会导致试件的流变变形增大.此...
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