Numerical Investigation on Crack Propagation and Fatigue Life Estimation of Shield Lining under Train Vibration Load

Table 2

Parameters for the train vibration load.

Condition	Wavelength (m)	Versine (mm)
Based on the carriage smoothness	50	16
	20	9
	10	5
Based on dynamic additional load	5	2.5
	2	0.6
	1	0.1
Waveform wearning	0.5	0.1
	0.05	0.005