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Influence of fines on the resistance to liquefaction of a clayey sand

机译:细粉对黏土砂抗液化性的影响

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This paper concerns a study of the influence of fines on the resistance to liquefaction of a clayey sand. The study is carried out using a triaxial apparatus on a reconstituted sand-clay mixture containing a low fraction of clay. After a description of the soil used in this study, the paper presents results of undrained compression tests together with cyclic liquefaction tests performed on soil samples containing different fractions of clay. Experimental results show that the increase in the fines content up to 15% reduces the resistance to liquefaction of the sand-clay mixture. This result is due to the role of fines in reducing the dilatant tendency of the clayey sand used in this study.
机译:本文涉及粉尘对黏土砂抗液化性影响的研究。这项研究是使用三轴仪对含有少量粘土的再生砂土混合物进行的。在对本研究中使用的土壤进行描述之后,本文介绍了不排水压缩试验的结果以及对含有不同比例粘土的土壤样品进行的循环液化试验。实验结果表明,将细粉含量提高至15%会降低砂土混合物的抗液化性。该结果归因于细粉在减少本研究中所用黏土砂的膨胀趋势中的作用。

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