Table 2 Material properties of the components.

From: Study on interfacial mechanical properties and structural detail damage of CRTS II slab ballastless track

Components

Thermal expansion coefficient (°C−1)

Elastic modulus (Pa)

Poisson’s ratio

Density (kg/m3)

Wide-narrow joint

1.0 × 10–5

3.55 × 1010

0.2

2500

Track slab

1.0 × 10–5

3.55 × 1010

0.2

2500

CA mortar

1.3 × 10–5

8.0 × 109

0.2

2400

Concrete base

1.0 × 10–5

3.25 × 1010

0.2

2500