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The Journal of Wheel/Rail Interaction
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Rail Maintenance

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

April 22, 2014 | Filed under: Friction Management, Gary Wolf, 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: Gary Wolf, 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 …

Applying Quality Concepts to the Wheel/Rail Interface (Part 2 of 3)

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

By Stephen S. Woody • January, 2008 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 illustrates some the data analysis-related problems that NS experienced and learned from during other six-sigma projects. One of the most …

Applying Quality Concepts to the Wheel/Rail Interface (Part 1 of 3)

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

By Stephen S. Woody • October, 2007 Quality concepts have been used in various industries for many years to improve productivity, reduce expenses, and eliminate defects. Work done by the Norfolk Southern Research and Tests Department has begun to show that applying quality concepts to wheel/rail interaction can lead to significant operational …

Testing Girder Rail on the MBTA

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

By Mark O’Hara • October 2007 The Massachusetts Bay Transportation Authority (MBTA) began as a collection of street railway companies in the 19th century. Teams of horses pulled “streetcars” through the streets of Boston, transporting groups of people more quickly and comfortably than they could ever travel by stagecoach. By today’s …

Specification and Documentation of Rail Grinding Work in Europe

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

By Dr. Wolfgang Schoech • July, 2007 Rail grinding practices and requirements have evolved over the years. In the past, rail grinding programs were controlled by railway personnel who were responsible for selecting the sites, choosing the number of grinding passes and determining when a program was finished. Today, grinding programs …

Understanding Stresses in Rails (Part 2 of 2)

January 4, 2014 | Filed under: Rail Maintenance

By Jude Igwemezie, Ph.D., P.Eng • April, 2007 Part 1 of this article examined the contact and dynamic stresses generated by the wheel/rail contact loading environment. Part 2 examines the stress cycle at any point on the running surface of the rail as the wheel approaches it. Stress in the …

Understanding Stresses in Rails (Part 1 of 2)

January 4, 2014 | Filed under: Rail Maintenance

By Jude Igwemezie, Ph.D., P.Eng • January, 2007 Rail represents a significant part of any railway’s investment in annual track maintenance. At the end of its useful life, the scrap value of rail can be as little as 15% to 20% of its original cost. Proper management of this precious asset …

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