Study on Rail Profile Optimization Based on the Nonlinear Relationship between Profile and Wear Rate

Table 3

Maximum values of dynamics index of train in the case of optimized profile.

Safety index	Wheelset 1		Wheelset 2		Wheelset 3		Wheelset 4		Standard values
	1L	1R	2L	2R	3L	3R	4L	4R
Derailment coefficient	0.524 6	0.519 6	0.401 5	0.403 3	0.564 8	0.375 0	0.337 2	0.472 0	0.8
Wheel-rail lateral force/kN	93.169	59.631	60.741	68.655	70.991	41.896	42.635	52.804	180
Wheel load reduction rate	0.637		0.541		0.489		0.58		0.8