Use of Rubber Mat to Improve Deformation Behaviors of Ballastless Tracks Laid on Bridges

Table 4

The maximum values of steel stress.

Types of the ballastless tracks	Components	Loading at the slab center		Loading at the slab end
		Longitudinal stress (MPa)	Transverse stress (MPa)	Longtudinal stress (MPa)	Transverse stress (MPa)
Standard assembly	Top of track slab	4.00	3.02	3.00	1.96
	Bottom of track slab	−3.20	−2.20	−2.00	−2.60
	Top of base plate	−4.60	−3.50	−6.40	−5.80
	Bottom of base plate	−2.60	−2.20	−4.75	−4.25
Subballasted mat	Top of track slab	12.00	10.00	12.00	11.10
	Bottom of track slab	−12.00	−10.20	−16.00	−14.90
	Top of base plate	−5.00	−3.80	−6.70	−6.30
	Bottom of base plate	−2.46	−2.55	−3.75	−3.54