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 peak strength is augmented,and the peak strength,cohesion and internal friction angle increase after reducing generally.