Table 1 Track and material data
From: Characteristics of Vibration and Sound Radiation of Metro Resilient Wheel
Parameter | Values |
|---|---|
Rail unit length mass mr (kg) | 60 |
Sleeper spacing l (m) | 0.6 |
Rail elastic modulus E (N/m2) | 2.1×1011 |
Rail shear modulus G (N/m2) | 0.77×1011 |
Rail damping loss factor ηr | 0.001 |
Rail cross-sectional area A (m2) | 7.69×10−3 |
Rail section moment of inertia I (m4) | 3.217×10−5 |
Shear coefficient κ | 0.4 |
Fastener stiffness Kp (N/m) | 1×108 |
Rail pad loss factor ηf | 0.1 |