Analysis of Antideformation and Antivibration Effect of Different Track Beds under Subway Train Vibration

Table 7

Irregularity excitation spectrum relevant parameter.

Parameter		Parameter values of each orbital
Symbol	Unit	6	5	4	3	2	1
		0.0339	0.2095	0.5376	0.6816	1.0181	1.2107
		0.0339	0.0762	0.3027	0.4128	1.2107	303634
		0.4380	0.8209	1.1312	0.8520	0.9308	0.6046
		0.8245	0.8245	0.8245	0.8245	0.8245	0.8245
Maximum running speed		176	144	128	96	48	24