Numerical Analysis of Subgrade Behavior under a Dynamic Maglev Train Load

Table 1

Material properties considered in the FEM of the maglev subgrade.

Soil type		Density (kg/m^3)	Modulus of deformation (MPa)	Poisson’s ratio	Internal friction angle (°)	Cohesive force (kPa)
Backfill layer		1700	100	0.35	20	15
Base bed surface layer	Graded broken stone	2200	140	0.25	—	—
	Group A filler	2100	140	0.3	—	—
Base bed bottom layer	Gravelly soil	2000	120	0.3	25	20
	Coarse-grained soil	1900	97	0.32	20	25
	Fine-grained soil	1850	63	0.35	20	32
Embankment soil		1850	70	0.35	25	60
Foundation soil		1700	120	0.35	32	20