Investigation on Parameter Calibration Method and Mechanical Properties of Root-Reinforced Soil by DEM

Table 1

Tension tests simulation cases.

Group no.	Root dimensions		DEM parameters		Simulated and theoretical solution
	Length (m)	Diameter (m)	pb_stiff (N/m^3)	pb_str (MPa)	Esimu (MPa)	Tsimu (MPa)	Etheory (MPa)	Ttheory (MPa)
1	0.08	0.002	1e11	1e7	200.054	9.998	200.000	10.000
	0.08	0.002	1e11	2e7	200.019	19.998	200.000	20.000
	0.08	0.002	1e11	3e7	200.023	29.999	200.000	30.000
2	0.08	0.002	2e11	2e7	400.060	29.995	400.000	30.000
	0.08	0.002	3e11	2e7	600.141	29.997	600.000	30.000
3	0.16	0.002	1e11	1e7	200.120	9.998	200.000	10.000
	0.32	0.002	1e11	1e7	200.075	9.994	200.000	10.000
4	0.08	0.004	1e11	1e7	400.110	9.998	400.000	10.000
	0.08	0.006	1e11	1e7	600.035	9.994	600.000	10.000