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The Journal of Wheel/Rail Interaction
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Gary Wolf is the recipient of Wheel Rail Seminars’ 2023 Worth Award

September 3, 2023 | Filed under: Gary Wolf, Wheel/Rail Interaction

by Bob Tuzik Gary Wolf, president of Wolf Railway Consulting, is the recipient of the 2023 Worth Award. The award, presented by Wheel Rail Seminars at the annual Wheel/Rail Interaction conference in June, is named for Art Worth, who was Manager of Standards and retired as Senior Manager – Advanced …

Instrumented diamond with UTPs

Under-Tie Pads: Resilient Materials Make an Impact

September 2, 2023 | Filed under: Heavy Haul, Wheel/Rail Interaction

by Jeff Tuzik Areas of track that are subject to high impacts and dynamic loadings, such as turnouts, diamond crossings and other special trackwork, bridges and bridge approaches, high-degree curves, and highway/rail grade crossings are challenging to manage. Maintenance requires attention, resources, and significant ongoing investment. With more than 30,000 …

Managing Slack in Trains with Cars Equipped with Hydraulic End-of-Car-Cushioning Devices

July 24, 2023 | Filed under: Wheel/Rail Interaction

by Jeff Tuzik Among the most significant forces that freight railroads contend with in daily operations are buff and draft (or compressive and tensile) forces between cars within train consists. These forces are mediated by various damping technologies, braking and acceleration practices, and by train make-up. When these forces aren’t …

Developments in Top of Rail and Gauge face Friction Management Consumables

June 2, 2023 | Filed under: Friction Management

New all-season TOR and GF FM products show performance and efficiency benefits over traditional seasonal variants.

Sound Transit Studies Wheel/Rail Interaction Differences Between Vehicle Types

April 23, 2023 | Filed under: Rail Transit, Vehicle/Track, Wheel Maintenance, Wheel/Rail Interaction

by Jeff Tuzik Seattle’s Link Light Rail, operated by Sound Transit, is a fairly young system. And by most standards, a small system. But it’s also a sophisticated system, and it’s growing fast. The system currently operates 25 miles of track and is in the midst of expanding to 50 …

Quantifying The Value of Maintenance for Asset Management and Capital Planning

March 30, 2023 | Filed under: Big Data, Heavy Haul, Maintenance

By Jeff Tuzik On freight railroads, rail is generally the largest single asset, capital expenditure, and one of the primary costs. From a maintenance perspective, rail is subject to wear and defect development, both of which can be actively managed in a number of ways. From an accounting perspective, rail …

Joe Kalousec (left) and Gordon Bachinsky (right)

Steel Hardness and Wear at the Wheel/Rail Interface: Perception vs Reality

February 6, 2023 | Filed under: Heavy Haul, Rail Maintenance, Wheel/Rail Interaction

By Jeff Tuzik Railroads around the world have many standards for wheel and rail hardness, with varied theories regarding the interaction of harder and softer steels. And while it is intuitively apparent that harder materials should wear less, last longer and generally provide a net benefit to systemic resilience, the …

Maintenance Optimization and The State of Good Repair

December 16, 2022 | Filed under: Wheel/Rail Interaction

By Jeff Tuzik The State of Good Repair is a goal, but it’s also a process. It’s achieved through a series of instruments and instrumental decisions that aim to report on the health of a system from the most granular component level, to the broadest holistic overview. This Part 2 …

Using Derailment Findings to Identify Derailment Risks

November 15, 2022 | Filed under: Gary Wolf, Heavy Haul, Measurement Systems

Presenters at the 2022 Wheel/Rail Interaction conference looked at heat and track configuration issues as they relate to derailment potential in heavy-grade, high-tonnage territory. They also looked at the role of Operating parameters in derailment potential, and at the findings from 20 years of investigations into derailments. By Bob Tuzik …

Understanding the Role of Human Factors in Railway Inspection

November 14, 2022 | Filed under: Maintenance

Presenting experts at Wheel/Rail Interaction 2022 made it clear that there’s more to inspection than meets the eye. Education and training can help reduce errors and improve inspection efficiency. By Bob Tuzik “Human Factors” are frequently cited as cause codes in railway incidents and derailments. But while track and mechanical …

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