Table 2 Maximum vehicle and track... | Emerald Publishing

Table 2

Maximum vehicle and track dynamic response

Case	Speed/(km·h⁻¹)	Vertical vibration acceleration of carbody/ (m·s⁻²)	Vertical vibration acceleration of wheelset/ (m·s⁻²)	Vertical displacement of rail/(mm)	Vertical vibration acceleration of rail/ (m·s⁻²)	Vertical displacement of track slab/mm	Vertical vibration acceleration of track slab/ (m·s⁻²)	Wheel-rail force/kN	Rate of wheel load reduction
Normal service of fasteners	300	0.184	27.485	0.937	54.033	0.034	5.343	81.594	0.178
	320	0.183	31.000	0.939	59.208	0.035	6.567	82.379	0.194
	340	0.179	34.941	0.942	63.388	0.036	8.807	84.526	0.236
	350	0.177	35.652	0.943	66.200	0.037	9.518	85.591	0.230
	385	0.180	43.454	0.945	82.299	0.041	16.093	90.538	0.265
Fastener failure	300	0.184	38.765	2.700	144.147	0.043	6.322	98.829	0.377
	320	0.185	42.350	2.721	167.048	0.044	7.728	100.916	0.385
	340	0.180	45.468	2.765	185.473	0.046	11.086	104.167	0.389
	350	0.179	46.266	2.777	196.638	0.047	12.329	104.872	0.398
	385	0.182	54.435	2.800	229.436	0.049	16.320	108.163	0.453

Case	Speed/(km·h⁻¹)	Vertical vibration acceleration of carbody/ (m·s⁻²)	Vertical vibration acceleration of wheelset/ (m·s⁻²)	Vertical displacement of rail/(mm)	Vertical vibration acceleration of rail/ (m·s⁻²)	Vertical displacement of track slab/mm	Vertical vibration acceleration of track slab/ (m·s⁻²)	Wheel-rail force/kN	Rate of wheel load reduction
Normal service of fasteners	300	0.184	27.485	0.937	54.033	0.034	5.343	81.594	0.178
	320	0.183	31.000	0.939	59.208	0.035	6.567	82.379	0.194
	340	0.179	34.941	0.942	63.388	0.036	8.807	84.526	0.236
	350	0.177	35.652	0.943	66.200	0.037	9.518	85.591	0.230
	385	0.180	43.454	0.945	82.299	0.041	16.093	90.538	0.265
Fastener failure	300	0.184	38.765	2.700	144.147	0.043	6.322	98.829	0.377
	320	0.185	42.350	2.721	167.048	0.044	7.728	100.916	0.385
	340	0.180	45.468	2.765	185.473	0.046	11.086	104.167	0.389
	350	0.179	46.266	2.777	196.638	0.047	12.329	104.872	0.398
	385	0.182	54.435	2.800	229.436	0.049	16.320	108.163	0.453