Analysis of the Mechanical Characteristics of Different Track Bed Types in Heavy-Haul Railway Tunnels

Table 5

Dynamic load on the track bed bottom of the ballastless slab track under different surrounding rock conditions (kPa).

Location		Class III	Growth rate	Class IV	Growth rate (%)	Class V	Theoretical value
Track bed surface	Left side track	43.856	7.17	47.000	12.46	52.857	50.327
	Line centre	62.947	3.58	65.200	10.85	72.272	69.848
	Right side track	45.664	2.49	46.800	16.43	54.489	50.327