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The Journal of Wheel/Rail Interaction
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Data to Decisions: Tools and Technology to Manage Wheel/Rail Interaction

September 15, 2014 | Filed under: Heavy Haul, Measurement Systems

WRI 2014 Heavy Haul: Part 1 by Jeff Tuzik   A lot has changed since the early days of wheel/rail interface management. New technologies present new opportunities and challenges, while legacy systems are continually honed and adapted to new practices. Automated inspection technologies and data management are only the latest …

WRI 2014 Transit: A Systems Approach to Wheel/Rail Interaction

June 29, 2014 | Filed under: Friction Management, Measurement Systems, Noise and Vibration, Rail Grinding, Rail Transit, Vehicle/Track, Wheel/Rail Interaction

by Jeff Tuzik   The 20th annual Wheel/Rail Interaction Conference drew a record number of attendees and speakers from around the world. They came to contribute to and draw from the growing body of knowledge on wheel/rail interaction. Since the conference began 20 years ago, the industry has come a …

Measuring With Eddy Current: Gauge Corner Cracking and the Magic Wear Rate

May 25, 2014 | Filed under: Measurement Systems, Rail Maintenance, Wheel/Rail Interaction

By Ryan McWilliams and Eric Eberius Gauge corner cracking (GCC) of the rail from rolling contact fatigue (RCF) is a dangerous and costly form of rail damage. Unfortunately, it’s also notoriously difficult to measure. And as GCC becomes more prevalent on rail systems around the world, accurate measurement is an …

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 …

Taking the Long View: 20 Years of Wheel/Rail Interaction (Part 2 of 2)

April 22, 2014 | Filed under: Friction Management, Heavy Haul, Measurement Systems, Rail Maintenance, Track Geometry, Vehicle/Track, Wheel/Rail Interaction

Part 2. Friction Management, Vehicle Suspension and Measurement Systems By Bob Tuzik, April 2014 Part 1 of this article explored advances in metallurgy, wheel/rail profile design and maintenance practices. Part 2 continues the theme, examining the technologies and techniques that have shaped our understanding of wheel/rail interaction. While the practice of …

What Kind of Rail Materials Will Survive in Heavy-Haul Service? (Part 1 of 2)

January 29, 2014 | Filed under: Heavy Haul

By James R. Hornaday, Jr. In many ways, rail is the most important component in a railroad system. The economic value of installed rail is usually the most costly asset listed in any railroad’s financial accounts. The financial stability of a railroad is often determined by how well that installed …

Truck Warp: The Causes and Cures (Part 1 of 2)

January 29, 2014 | Filed under: Vehicle/Track

By Gary P. Wolf Whether you are primarily interested in the track or the vehicle side of the wheel/rail interface, the effects of “truck warp” should be of interest to you. This two-part article examines the impact of warp in the overall operating environment. Part 1 examines what truck warp …

Applying Quality Concepts to the Wheel/Rail Interface (Part 3 of 3)

January 29, 2014 | Filed under: Rail Grinding, Rail Maintenance

By Stephen S. Woody Part 1 of this article examined the results of a six-sigma project that Norfolk Southern initiated to improve the efficiency of its grinding program. Part 2 illustrated some the data analysis-related problems that NS experienced and learned from during other six-sigma projects. Part 3 describes two ideas …

Taking the Long View: 20 Years of Wheel/Rail Interaction (Part 1 of 2)

January 8, 2014 | Filed under: Rail Grinding, Track Geometry, Wheel/Rail Interaction, Wheel/Rail Profile

Part 1. Metallurgy, Wheel/Rail Profile Design and Maintenance. by Bob Tuzik, January 2014 Ask a group of railroaders, researchers or suppliers what the essential aspects of understanding wheel/rail interaction have been over the past 20 years, and you’ll get a host of answers. But among them, major categories consistently emerge: …

Using Performance-Based Assessment of Reserve Gauge Strength to Enhance Tie-Replacement Planning

January 4, 2014 | Filed under: Track Geometry

By Robert Madderom Technology has changed the ways in which railroads plan most of their maintenance programs over the past 30 years. But one aspect of maintenance planning has remained static. Railways still select ties for replacement and plan a significant portion of their maintenance budgets based on visual inspections by …

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