Research on Design Parameters and Fatigue Life of Tunnel Bottom Structure of Single-Track Ballasted Heavy-Haul Railway Tunnel with 40-Ton Axle Load

Table 3

Simulation analysis parameters of track geometric irregularity.

Control conditions	Wavelength (m)	Sagittal (mm)
According to ride comfort①	50.00	16.00
	20.00	9.00
	10.00	5.00
According to the dynamic additional load acting on the line②	5.00	2.50
	2.00	0.60
	1.00	0.30
Waveform wear③	0.50	0.10
	0.05	0.005