Field Test and Numerical Analysis of In-Service Railway Bridge

Table 1

Model parameters of locomotive.

Parameter	Value
Mass of car body (headstock) (ton)	141.4
Mass of car body (type 22 passenger car) (ton)	45.5
Mass of car body (freight car) (ton)	23
Mass of bogie (ton)	3.2
Mass of wheel axle (ton)	2.4
Kpy (N/m)	3 × 10^6
Cpy (N·s/m)	2.12 × 10^6
Kpz (N/m)	1.04 × 10^6
Cpz (N·s/m)	5.0 × 10^3
Kty (N/m)	0.24 × 10^6
Cty (N·s/m)	3.0 × 10^4
Ktz (N/m)	1.51 × 10^6
Ctz (N·s/m)	0.4 × 10^6
Lc (headstock) (m)	20.15
Lc (passenger car) (m)	23.60
Lc (freight car) (m)	11.40
Lt (m)	2.5
dsk (m)	1.956
dwk (m)	1.496
Hcb (m)	1.7
Hbt (m)	0.14
Htw (m)	0.28