Vibration-Isolation Performance of a Pile Barrier in an Area of Soft Soil in Shanghai

Table 5

Calculation parameters of the structural model.

Structure	Elastic modulus (MPa)	Poisson’s ratio	Density (kg/m^3)
Pier, pile cap, pile	30,000	0.176	2500
Tunnel grouting layer	30	0.2	2600
Tunnel lining layer	34,500	0.2	2500
Subgrade	1500	0.3	1200