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Article: Performance evaluation of premium turnout components under 39-kip wheel loads: increased track capacity means an increased need for efficient turnout performance.(TTCI R & D)
- Article from:
- Railway Track and Structures
- Article date:
- March 1, 2008
- Author:
CopyrightCOPYRIGHT 2008 Simmons-Boardman Publishing Corporation. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Turnouts are a major cost center for the track department of the railroad and are increasingly important for network efficiency as track capacity becomes more constrained. Turnout failures are typically one of the top track-related accident causes. They are also the key control points in the railway system, affecting traffic flow and capacity.
Working with the major railroads' track standards and special trackwork manufacturers, Transportation Technology Center, Inc., evaluated premium turnout designs and components under heavy-axle-load train service, i.e., 39,000-pound wheel loads, at the Facility for Accelerated Service Testing as part of the AAR Strategic ...