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The Journal of Wheel/Rail Interaction
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Rail Maintenance

A First Look at Rail Milling in North America

February 27, 2020 | Filed under: Rail Maintenance, Rail Transit

By Richard Stock Rail Milling technology, which was introduced by Linsinger about 25 years ago, has been widely used in Europe, Asia, and Australia. It was recently introduced in North America. Unlike other maintenance technologies, rail milling is a non-abrasive cutting process where material is cut from the rail surface …

Modelling Success and Predicting Failure at the Wheel/Rail Interface

January 18, 2017 | Filed under: Heavy Haul, Rail Grinding, Rail Maintenance, Track Geometry, Vehicle/Track, Wheel/Rail Interaction

WRI 2016, Heavy Haul Part 2 See Part 1 By Jeff Tuzik   The worst time to explore the complexities of contact mechanics, lubrication, metallurgies, carbody behavior or other aspects of wheel/rail interaction is at a derailment site. But it’s often the most instructive. As George Fowler, Senior Investigator at …

WRI EU 2015 Part 1: Systemic Challenges, Systemic Successes

April 12, 2016 | Filed under: Friction Management, Maintenance, Rail Grinding, Rail Maintenance, Rail Transit, Wheel/Rail Interaction, Wheel/Rail Profile

By Jeff Tuzik For over 20 years, the Wheel/Rail Interaction conferences have brought together railway industry professionals, researchers and suppliers to share their expertise in the field of wheel/rail interaction. Until recently, the conferences have been held only in the United States and have drawn on North American experiences. In …

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 – …

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 …

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 …

Target Profiles for Rail Grinding: A Never Ending Story

January 4, 2014 | Filed under: Rail Grinding, Rail Maintenance

By Anders Frick and Dr. Wolfgang Schoech • July, 2008 Rail maintenance work is a process of removing metal from the rail head at the right time and at the right place. At first, rail grinding was performed to remove surface irregularities and defects — a process that required significant metal …

Reducing Broken Rail Derailments in Dark Territory (Part 1 of 2)

January 4, 2014 | Filed under: Measurement Systems, Rail Maintenance

By Norman Hooper • January, 2008 This article reflects observations made while serving as Chief Engineer of BC Rail, a Class II railway (now owned by Canadian National) during a period in which the railway reduced service failures and broken rail derailments in dark territory by 60% — an improvement …

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