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The Journal of Wheel/Rail Interaction
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Huimin Wu

Controlling Rail Cant and Lateral Forces by Managing the Wheel/Rail Interface

May 20, 2014 | Filed under: Rail Cant, Rail Maintenance, Track Geometry

by Brad Kerchof and Huimin Wu Railroad track people know that track degradation is a complex and constant problem. Because so many variables affect track strength, correcting problems when they arise, and correcting them effectively, is no easy task. Norfolk Southern’s Research and Tests Department recently concluded a series of tests …

Management of the Wheel/Rail Contact Interface in Heavy-Haul Operations (Part 1 of 2)

October 18, 2013 | Filed under: Friction Management, Heavy Haul, Rail Grinding, Wheel Maintenance, Wheel/Rail Interaction

By Huimin Wu and Semih Kalay • October, 2009 Wear and rolling contact fatigue (RCF) of rails and wheels are common problems under heavy-haul operations. Increasing axle loads can increase the capacity of a railway system, but also can increase the stress state of the system. A root cause of RCF …

Management of the Wheel/Rail Contact Interface in Heavy-Haul Operations (Part 2 of 2)

October 18, 2013 | Filed under: Friction Management, Heavy Haul, Rail Grinding, Wheel Maintenance, Wheel/Rail Interaction

By Huimin Wu and Semih Kalay • January 2010 See Part 1 of this article here. What are the differences between rail shapes that produce higher contact conicities and those that produce lower contact conicities? The profiles shown in Figures 1a and 1b illustrate the differences that can result in significant …

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