Numerical Analysis of Subgrade Behavior under a Dynamic Maglev Train Load

Table 4

Reasonable thickness of different bed fillers.

	Working condition 1	Working condition 2	Working condition 3	Working condition 4	Working condition 5	Working condition 6
Base bed surface filler	Graded broken stone			Group a filler
Base bed filler	Gravelly soil	Coarse-grained soil	Improved soil	Gravelly soil	Coarse-grained soil	Improved soil
Bed thickness (m)	1.46	1.50	1.59	1.49	1.60	1.70
Stress attenuation (%)	36.63	35.423	35.21	35.71	34.132	32.243