Fabian Hansmann, Head of Marketing at Plasser & Theurer, discussed the challenges of maintaining track geometry amidst limited resources. He emphasized balancing speed, performance, and quality in maintenance practices. Proper ballast management is vital, as defects can accelerate deterioration. Effective tamping techniques significantly influence track stability, underscoring the importance of optimal maintenance strategies.
by Jeff Tuzik The Great Dismal Swamp. An ominous name. And in June of 2019, it was the site of a Norfolk Southern derailment. At NS, all derailments are investigated to determine the cause(s) and to provide data that could help prevent future incidents. Brad Kerchof, formerly Director of Research …
In 2022, Wiener Linien faced severe wheel wear issues on line U6 after a rail renewal project. The complex problem stemmed from poor wheel/rail dynamics, necessitating collaborative efforts for analysis and remediation. New wheel and rail profiles, designed to optimize contact conditions, are expected to significantly reduce wear and damage.
George Fowler, a veteran investigator, analyzed the 2016 Grey derailment involving a Canadian National train, highlighting that derailments often stem from combined vehicle and track factors. His investigation revealed issues like track geometry, maintenance, and vehicle dynamics, emphasizing the importance of thorough evaluations to prevent such incidents in the future.
Friction management is a crucial aspect of rail transit, improving wheel/rail interactions by reducing wear, noise, and safety risks. Effective implementation involves tailored strategies based on specific issues. Successful transit agencies employ proper asset management, ensuring consistent results and a strong return on investment through maintenance and optimized practices.
by Jeff Tuzik Stuart Grassie, Principal, Rail Measurement Ltd and Stuart Grassie Engineering Ltd, is the recipient of the 2024 Worth Award. The award, presented by Wheel Rail Seminars at the annual Wheel/Rail Interaction conference in May, is named for Art Worth, who was Manager of Standards and retired as …
The article discusses advancements in wheel condition monitoring technologies, particularly by Mermec and MxV Rail. Various methods, including optical and strain gauge systems, gather data on dynamic forces and out-of-roundness. Enhanced systems promise improved predictions of hunting behavior and overall wheel integrity, increasingly complementing traditional inspection techniques in railways.
The article discusses the significance of wheel/rail interaction in railroading, emphasizing the importance of both wheels and tracks. Advances in monitoring technologies, such as continuous wheel condition monitoring and load detectors, enhance safety and maintenance. It highlights challenges and improvements in measuring forces effectively, contributing to efficient railroad operations.
by Jeff Tuzik Rolling contact fatigue (RCF) affects railroads and transit systems globally. The effects of RCF damage range from poor ride quality and excessive noise, to shelling and spalling so deep and widespread that rail sections must be replaced. Over time, the railroad and transit industries have developed tools …