Mathematical Problems in Engineering / 2016 / Article / Tab 2 / Research Article
Contact Loss beneath Track Slab Caused by Deteriorated Cement Emulsified Asphalt Mortar: Dynamic Characteristics of Vehicle-Slab Track System and Prototype Experiment Table 2 Basic parameters of track subsystem.
Parameters Value Mass of rail per unit length 60 kg/m Young’s modulus of rail 2.06 5 Mpa Poisson’s ratio of rail 0.3 Length of slab 4.95 m Width of slab 2.4 m Thickness of slab 0.19 m Young’s modulus of slab 3.6 4 Mpa Poisson’s ratio of slab 0.2 Density of slab 2500 kg/m3 Thickness of CA mortar 0.05 m Young’s modulus of CA mortar 300 Mpa Vertical damping of CA mortar 3.46 4 N Distance between fasteners 0.625 m Vertical stiffness of fastener 50 kN/mm Vertical damping of fastener 7.5 4 N Length of concrete roadbed 125 m Width of concrete roadbed 3.2 m Thickness of concrete roadbed 0.3 m Young’s modulus of concrete roadbed 3.25 4 Mpa Poisson’s ratio of concrete roadbed 0.2 Density of concrete roadbed 2500 kg/m3 Vertical stiffness of soil roadbed 120 Mpa/m Vertical damping of soil roadbed 1.0 5 N
