Three-Dimensional Nonlinear Seismic Response of Shield Tunnel Spatial End Structure

Table 1

Parameters of the constitutive model of the subsea soils.

Soil	A	B	γ0 (×10^−4)
Silt	1.03	0.40	5.1
Mucky soil	1.01	0.39	6.7
Sandy soil	1.20	0.37	7.4
Silty clay	1.12	0.41	9.0
Weathered rock	1.30	0.40	10.0