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

Table 7

Vibration indicators of rail on floating-slab-track bed.

Calculation working condition	Rail vertical displacement (mm)		Rail vertical acceleration RMS value (g)		Rail lateral displacement (mm)		Rail 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	2.546	2.454	5.897	5.753	0.209	0.253	0.286	0.275
Straight line-160	2.582	2.471	6.575	6.477	0.218	0.263	0.385	0.375
Straight line-200	2.683	2.540	7.613	7.408	0.375	0.356	0.635	0.639
Curve-140	2.670	2.603	5.671	5.606	0.292	0.320	0.997	1.003
Curve-160	2.698	2.601	6.483	6.329	0.286	0.303	1.068	1.077

RMS: root mean square; L: length.