Research on Mechanical Performance of CRTS III Plate-Type Ballastless Track Structure under Temperature Load Based on Probability Statistics

Table 5

The basic specifications of main members.

	Rail	Track slab	Self-compacting concrete layer	Bed plate	Isolation layer	Support layer
Length (mm)		5600	5600	5600	5600
Width (mm)		2500	2500	2900	2600
Height (mm)		200	90	200	4
Concrete strength		C60	C40	C30
Elasticity modulus	210 GPa	36000 MPa	34000 MPa	32000 MPa	3.32 MPa
Poisson’s ration	0.3	0.2	0.2	0.2	0.35
Thermal expansion coefficient (°C^−1)	1.18 × 10^−5	1 ×10^−5	1 × 10^−5	1 × 10^−5		1 × 10^−5
Stiffness						1000 MPa/m
Density	7800 kg/m^3	2500 kg/m^3	2500 kg/m^3	2500 kg/m^3	700 g/m^2