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

Table 2

Dynamic loads at the sleeper bottom.

Track bed	Measured value (kPa)		Equation (3) (kPa)
	Line centre position	Track position
Ballastless slab track	98.850	126.700	139.696
Ballast bed	119.402	145.278