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The Journal of Wheel/Rail Interaction
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Wheel/Rail Interaction

WRI 2015 — Heavy Haul Part 2: A Proactive Approach to Asset Management

December 5, 2015 | Filed under: Friction Management, Heavy Haul, Maintenance, Measurement Systems, Vehicle/Track, Wheel/Rail Interaction, Wheel/Rail Profile

By Jeff Tuzik (See Part 1) The benefits of taking a proactive approach to wheel/rail interface management are well known. Year after year at Wheel Rail Interaction conferences, speakers have extolled the benefits of moving away from costly reactive maintenance strategies. The “firefighting” method of moving from one critical exception to …

WRI 2015 — Heavy Haul Part 1: Interface Management From Micro to Macro

September 1, 2015 | Filed under: Big Data, Friction Management, Heavy Haul, Rail Cant, Rail Grinding, Wheel/Rail Interaction

 By Jeff Tuzik (Continue to Part 2) Proper management of the wheel/rail interface is a daunting process. It involves elements of design and planning, automated and manned inspection, corrective and preventive maintenance and data management, to name only a few. Managing the systemic health of a railroad means understanding processes that range from the …

WRI 2015: Transit — Maintenance and the State of Good Repair

July 8, 2015 | Filed under: Friction Management, Rail Grinding, Rail Maintenance, Rail Transit, Wheel/Rail Interaction

By Jeff Tuzik Maintaining a state of good repair (SGR) weighed heavily on the minds of those in attendance at the 2015 Rail Transit Wheel Rail Interaction Conference, as transit properties will be required to meet requirements established by the Federal Transit Administration as early as next year. SGR – …

Vehicle, Track and Wheel: Safety and Efficiency at the Wheel/Rail Interface

April 9, 2015 | Filed under: Wheel/Rail Interaction

WRI 2014 Heavy Haul: Part 2 (See Part 1) by Jeff Tuzik Wheel/rail interaction impacts virtually every aspect of railroading, including operational safety and efficiency, the effectiveness of vehicle and track maintenance and maintenance planning. WRI affects the bottom line, too. When things go wrong, the culprit is often somewhere …

Big Challenges, Big Opportunities: Big Data

January 7, 2015 | Filed under: Wheel/Rail Interaction

by Jeff Tuzik   Raw data by itself doesn’t always help much. In fact, it can be a burden. Extracting actionable information from raw data is an issue that the railroad industry has grappled with for years. (See WRI 2008: Data to Information) And as measurement and monitoring technologies have advanced, …

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 …

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 …

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: …

Understanding the Effects of Track Gauge, Wheel/Rail Geometry and Friction on Stresses at the Wheel/Rail Interface

January 4, 2014 | Filed under: Friction Management, Track Geometry, Wheel/Rail Interaction, Wheel/Rail Profile

By Jude Igwemezie, Ph.D., P.Eng. Over the years, rail grinding has become more the norm than the exception as the rail industry has recognized that damaged materials on the rail and wheel contact surfaces must be addressed before they become a bigger problem. The art of rail grinding has also progressed …

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