含水量对粉土强度影响的试验研究

粉土具有较高的"水敏性",在非饱和状态下,粉土具有非饱和土的特性。随着含水量的不同,粉土的强度呈现不同的变化。文中通过常规直剪试验,初步探讨了含水量与强度的关系,并对试验数据进行了曲线拟合,得出了相应的拟合函数,同时,试验发现,粉土的粘聚力受含水量影响较为明显。随着含水量的增加,粉土的强度衰减非常快。

Experimental Study on Influence of Water Content on Silt Strength

Silt has stronger water sensitivity.Under unsaturated state,silt has the characteristics of unsa-turated soil.With different water content,silt strength is different.This paper preliminarily explores the relation between water content and strength through routine direct shear test,and carries out fitting for test data and obtains the corresponding fitting function.Meanwhile,the test finds that water content has great influence on the cohesive strength of silt.The strength attenuates rapidly with the increas...