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

Table 5

Wheel-rail safety indicators for floating-slab-track bed.

Calculation working condition	Wheel-axle lateral force (kN)		Wheel-rail vertical force (kN)		Derailment coefficient		Wheel-load shedding rate
	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	12.331	12.188	76.143	77.956	0.184	0.186	0.155	0.158
Straight line-160	12.913	12.890	79.518	80.343	0.182	0.187	0.187	0.179
Straight line-200	14.979	13.598	88.942	90.019	0.198	0.196	0.281	0.269
Curve-140	29.434	29.592	86.295	89.322	0.309	0.315	0.302	0.294
Curve-160	28.538	28.423	86.950	87.968	0.290	0.291	0.336	0.310
Specified code limits [32, 33]	60.92		250		1.0		0.90

L: length.