粉土对砂不稳定性影响的试验研究

Study on the effect of fines on the instability of sand

通过对净砂和粉砂土(粉土含量为10%,20%)试样进行三轴不排水试验,研究了粉土对砂不稳定性的影响。试验结果表明如使用粒间孔隙比es,就可以在与砂土相同的框架内描述粉砂土的不稳定特性。

The paper investigates the effect of silts on the instability of sand based on the undrained triaxial tests of clean sand and silty sand with 10 % and 20 % silts. The results show that silty sand can be described within the same framework as that of sand if the intergranualar void ratio is used.