Automated Particle Shape Identification and Quantification for DEM Simulation of Rockfill Materials in Subgrade Construction

Table 2

Microscale parameters used in the DEM simulations.

Microscopic parameters	The normal stiffness, kn (N/m)	The tangential stiffness, ks (N/m)	The coefficient of friction, fric	Local damp	Normal/tangential damping dpn, dpt	Density (kg/m^3)
Value (particle)	1.5 × 10^7	2.9 × 10^7	0.5	0.9	0.5	2600
Value (wheel)	1.0 × 10^9	1.0 × 10^9	0.3	0.0	0.5	7800