Implementation of an Advanced Macroelement Beam Model under Moving Load (Case Study: Iranian Railroad Projects)

Table 2

Rail section properties.

Definition	Symbol	Value
Weight per unit length
Section area	A	7587 mm^2
Second area moment about z axis		30.55 × 10^6 mm^4
Second area moment about y axis		5.13 × 10^6 mm^4
Modulus of elasticity	E	2 × 10^5 MPa
Weight per unit volume		7.85 ton/m^3
Warping constant [35]		3.79 × 10^10 mm^6