Research Article

Numerical Study on the Evolution of Agglomerate Breakage and Microstructure of Angular Gravel in Cyclic Soil-Structure Interface Test

Table 2

Parameters of DEM simulation.

ParameterValue

Diameter of original agglomerates25–50 mm
Wall normal stiffness
Wall shear stiffness
Sphere properties
Density1750 kg/m3
Normal stiffness
Shear stiffness
Frictional coefficient0.68
Diameter of spheres3.75–14.41 mm
Parallel bond properties
Normal stiffness
Shear stiffness
Mean normal strength ()6 MPa
Normal strength standard deviation1.65 MPa
Mean shear strength ()10 MPa
Shear strength standard deviation2.75 MPa