Seismic Analysis of Coupled High-Speed Train-Bridge with the Isolation of Friction Pendulum Bearing

Table 1

Main parameters of vehicles used in the case study.

Parameters	Unit	Value of MC	Value of TC
Distance of wheel sets,	m	2.5	2.5
Distance of bogies,	m	17.5	17.5
Transverse span of primary suspension,	m	2.0	2.0
Transverse span of secondary suspension,	m	2.0	2.0
Car body to secondary suspension,	m	0.54	0.80
Secondary suspension to bogie,	m	0.47	0.30
Bogie to wheel set,	m	0.08	0.14
Wheel radius,	m	0.46	0.46
Car body mass,	t	48.0	44.0
Car body, x-inertia, Ixc	t·m^2	115	100
Car body, y-inertia, Iyc	t·m^2	2700	2700
Car body, z-inertia, Izc	t·m^2	2700	2700
Bogie mass, mt	t	3.2	2.4
Bogie x-inertia, Ixt	t·m^2	3.2	1.8
Bogie y-inertia, Iyt	t·m^2	7.2	2.2
Bogie z-inertia, Izt	t·m^2	6.8	2.2
Wheel set mass,	t	2.4	2.4
Wheel set x-inertia, Ixw	t·m^2	1.2	1.1
Primary suspension x-damp/side, cx1	kN·s/m	0	0
Primary suspension y-damp/side, cy1	kN·s/m	0	0
Primary suspension z-damp/side, cz1	kN·s/m	10	10
Secondary suspension x-damp/side, cx2	kN·s/m	450	450
Secondary suspension y-damp/side, cy2	kN·s/m	45	45
Secondary suspension z-damp/side, cz2	kN·s/m	20	20
Primary suspension x-spring/side, kx1	MN/m	9.0	15.0
Primary suspension y-spring/side, ky1	MN/m	3.0	5.0
Primary suspension z-spring/side, kz1	MN/m	1.04	0.7
Secondary suspension x-spring/side, kx2	MN/m	0.24	0.28
Secondary suspension y-spring/side, ky2	MN/m	0.24	0.28
Secondary suspension z-spring/side, kz2	MN/m	0.40	0.30