粉土在直剪试验中的强度特性研究

通过在不同初始含水率、不同干密度、不同垂直压力条件下的直剪试验.研究重塑粉土强度指标随这些外部因素的变化规律,研究表明,垂直压力、干密度的增大时提高重塑粉土峰值强度作用明显,随初始含水率增加,重塑粉土土体峰值强度的剪切位移增加,而峰值强度、黏聚力、内摩擦角都有先增大后减小的趋势.

Research on the Strength Characteristics of Silt in the Direct Shear Experiments

Through the direct shear experiments under the conditions of different initial moisture contents,different dry densities and different vertical pressures,this paper researches the regularities of the change of the strength index of remolded silt affected by these external factors.The study indicates that the increment of the vertical pressure and the dry density can improve the peak strength of remolded silt obviously.With the increase of initial moisture content,the shear displacement of remolded silt on p...