A Numerical Analysis of Ground Vibration Induced by Typical Rail Corrugation of Underground Subway

Table 4

Parameters of soil in test site.

Soil type	Thickness (m)	Young’s modulus (MPa)	Density (kg/m^3)	Damping ratio	Poisson’s ratio
Artificial soil	2.0	110	1755	0.03	0.36
Silty clay	3.5	276	2020	0.03	0.37
Medium sand	20.0	202	1979	0.034	0.38
Cobblestone	>16	579	2397	0.028	0.37