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The Journal of Wheel/Rail Interaction
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The What, Where, Why and How of Rail Grinding

January 3, 2014 | Filed under: Rail Grinding

The Art and Science of Rail Grinding, by Allan M. Zarembski Book review by Bob Tuzik • March, 2006 If you’re like me, your filing cabinet is stuffed with articles from various publications. If you’re organized, you may have a specific folder or binder with articles on rail grinding clipped …

Curve Superelevation: Problems and Solutions

January 3, 2014 | Filed under: Gary Wolf, Rail Maintenance, Track Geometry, Vehicle/Track

By Gary Wolf • January, 2006 Railroad engineering managers have been struggling with the problem of how much elevation to place in a curve since the first steam engines started turning a wheel. While the physics and calculus of the matter seem straightforward, the application of those formulas is where problems …

Operating at High Cant Deficiency

January 3, 2014 | Filed under: Rail Cant, Vehicle/Track

by Peter Klauser • October 2005 Cant deficiency has a significant effect on curving performance of vehicles in both passenger and freight service. The forces due to centrifugal acceleration through a curve must ultimately be reacted at the wheel/rail interface. Curve lateral acceleration and the compensating effect of track superelevation can …

The truck bolster bowl: Is it a bowl or a bearing?

January 3, 2014 | Filed under: Gary Wolf, Vehicle Design

by Gary Wolf • October 2005 Like many aspects of the three-piece truck, performance issues surrounding the truck bolster bowl and body centerplate are often misunderstood. One of the biggest misunderstandings is that the bolster bowl is actually a bearing. Years ago at a meeting where truck performances issues were …

Implementing an Anti-Shelling Wheel Profile

January 3, 2014 | Filed under: Wheel Maintenance, Wheel/Rail Profile

By Rob Caldwell • October, 2005 Wheel Shelling has presented serious problems on Canadian railroads in recent years, particularly in winter months. Tread shelling on wheels on Quebec Cartier Mining (QCM) railway’s heavy-haul fleet, for example, reached condemnable limits within one year of use, during the early 1990s. In some cases, …

Making the Case for Long Travel Constant Contact Side Bearings

January 3, 2014 | Filed under: Vehicle Design, Vehicle/Track

by Bill O’Donnell • July 4, 2005 As part of its efforts to reduce the stress state on North American railroads, the Association of American Railroads (AAR) mandated that all new cars ordered after January 1, 2002, must be equipped with constant contact side bearings. Constant contact side bearings (CCSBs) raise the threshold …

FRA Initiatives: Dr. Magdy El-Sibaie, Chief of FRA’s Track Research Division

January 3, 2014 | Filed under: Maintenance, Measurement Systems, Track Geometry, Vehicle/Track

By Bob Tuzik • May 26, 2005 The Federal Railroad Administration’s Office of Research and Development is not the best known R&D organization in the industry, but it is one of the most important. It’s work figures prominently in rulemaking and the regulatory process for the industry. That role is …

Specialized Rail Profile Grinding on MBTA

January 3, 2014 | Filed under: Rail Grinding, Rail Maintenance, Rail Transit, Wheel/Rail Interaction, Wheel/Rail Profile

by Bob Tuzik • April 10, 2005 Rail Grinding has been used to solve a host of problems on transit systems. It recently was used in Boston to remove a new wrinkle. A specialized grinding program was initiated in 2002 on the heels of a series of light-rail derailments on the …

Practical Rail Grinding

January 3, 2014 | Filed under: Rail Grinding, Rail Maintenance

by Fred Prahl, Eric Magel & Peter Sroba • April 4, 2005 Rail grinding, first developed as a technique for treating corrugations, has become an essential component of track maintenance for freight railroads and transit properties. During the 1960s, railroads began seeing rail corrugations developing to depths of about 0.080 to …

Vehicle Side Bearings: Function, Performance and Maintenance (Part 2 of 2)

January 3, 2014 | Filed under: Gary Wolf, Vehicle Design, Vehicle/Track

By Gary Wolf • May 04, 2005 Part 1 of this two-part article explored the importance of roller style side bearings in maintaining proper vehicle performance and how improper maintenance of side bearings can directly affect wheel/rail forces. Part 2 examines the purpose, types of designs and maintenance of the …

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