Train-Induced Fluctuating Pressure and Resultant Dynamic Response of Semienclosed Sound Barriers

Table 1

Material properties of SESB.

Material	E (N/m^2)	Poisson ratio	Density (kg/m^3)	Damping ratio
Steel	2.06 × 10^11	0.3	7850	0.010
Concrete	3.25 × 10^10	0.2	2400	0.030
PC	2.32 × 10^9	0.4	1200	0.200
Aluminum	7.2 × 10^10	0.3	2670	0.010