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

Table 13

Vehicle-track stationary stability and comfort indicators of the floating-slab track.

Calculation working condition	Lateral-stability index						Comfort index
	L = 3.6 m			L = 4.8 m			L = 3.6 m			L = 4.8 m
	350	450	550	350	450	550	350	450	550	350	450	550
Straight line-140	1.701	1.700	1.698	1.708	1.708	1.709	0.737	0.736	0.734	0.741	0.746	0.749
Straight line-160	1.941	1.939	1.934	1.948	1.949	1.947	0.745	0.746	0.742	0.753	0.761	0.762
Straight line-200	2.003	2.006	2.002	2.007	2.005	2.002	0.930	0.942	0.942	0.931	0.936	0.936
Curve-140	2.120	2.117	2.112	2.122	2.121	2.120	1.105	1.099	1.092	1.119	1.119	1.119
Curve-160	2.179	2.173	2.174	2.181	2.179	2.176	1.207	1.197	1.187	1.200	1.202	1.198
Maximum per 100 mm range of change (%)	3.0			2.0			1.3			1.1

L: length.