Performance Analysis of Prefabricated Steel-Spring Floating-Slab Track and Its Application to Urban Express Rail Transit

Table 8

Vibration indicators of floating-slab track.

Calculation working condition	Track vertical displacement (mm)		Track vertical acceleration RMS value (g)		Track lateral displacement (mm)		Track lateral acceleration RMS value (g)
	L = 3.6 m	L = 4.8 m	L = 3.6 m	L = 4.8 m	L = 3.6 m	L = 4.8 m	L = 3.6 m	L = 4.8 m
Straight line-140	2.016	1.849	0.611	0.624	0.104	0.118	0.024	0.036
Straight line-160	2.033	1.850	0.644	0.782	0.111	0.125	0.025	0.038
Straight line-200	2.039	1.859	0.730	0.912	0.244	0.217	0.040	0.042
Curve-140	1.990	1.772	0.646	0.770	0.145	0.195	0.048	0.050
Curve-160	1.999	1.789	0.713	0.967	0.103	0.170	0.049	0.054

RMS: root mean square; L: length.