Research Article
Research on the Simulation of Wheelset Response Characteristic Identification of Railway Fastener Loosening
Table 2
The corresponding stiffness value of the loosening degree of the fastener and the equivalent stiffness value of the length of the mortar unit.
| | Degrees of fastener stiffness looseness (%) | Vertical, horizontal, and longitudinal stiffness value of the fastener (kN/mm) | Vertical, horizontal, and longitudinal damping value of the fastener (kN·s/mm) | Equivalent stiffness of CA mortar unit length (N/m3) | Equivalent damping of CA mortar unit length (N·s/m) |
| | 0 | 50 | 75/60/60 | | | | 25 | 37.5 | | 50 | 25 | | 75 | 12.5 | | 100 | 0 |
|
|
