Question: A freight train with 2 8 6 , 0 0 0 l b . ( 1 3 0 , 0 0 0 k g )

A freight train with 286,000lb.(130,000kg) four axle freight cars is travelling at 60mph(100kph) on concrete tie track with 136RE[68 kg]
Rail. The track modulus k=8000lb./in/in [55 MPa]. Wheel diameter is 36 inches (914 mm)
A Table of rail properties is shown below
Calculating deflection and moment based on one wheel only and based on vertical dynamic loading:
What is the dynamic wheel load
What is the maximum down deflection?
What is the maximum positive and negative bending moment?
What is the maximum tension and compression bending stress in base and in the head
A freight train with 2 8 6 , 0 0 0 l b . ( 1 3 0

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