OVERVIEW OF WHEEL/RAIL LOAD ENVIRONMENT CAUSED BY FREIGHT CAR SUSPENSION DYNAMICS

It has been a well-established fact that excessive wheel/rail loads cause accelerated wheel/rail wear, truck component deterioration, track damage, and increased potential for derailment. The economic and safety impact of the increased wheel rail loads can only be ascertained by a total characterization of the wheel/rail loads. In this paper, a comprehensive set of experimental results obtained from on-track testing of conventional North American freight cars using both wayside and on-board measurement systems are presented. The particular emphasis is given to the wheel/rail loads resulting from suspension dynamics. The dynamic wheel/rail environment addressed in this paper is limited to dynamic performance regimes such as rock-and-roll and pitch-and-bounce, hunting, and curving. The strong dependence of the dynamic response of a railway vehicle on a truck suspension system has been illustrated by comparison of controlled test results for vehicles of different types.

• Record URL:
  http://onlinepubs.trb.org/Onlinepubs/trr/1989/1241/1241-005.pdf
• Record URL:
  https://scholar.google.com/scholar_lookup?title=OVERVIEW+OF+WHEEL%2FRAIL+LOAD+ENVIRONMENT+CAUSED+BY+FREIGHT+CAR+SUSPENSION+DYNAMICS&author=S.+Kalay&author=A.+Reinschmidt&publication_year=1989
• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/isbn/0309049652
• Supplemental Notes:
  • This paper appears in Transportation Research Record No. 1241, Railroad Transportation Issues. Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved
• Authors:
  • Kalay, Semih
  • Reinschmidt, Albert
• Publication Date: 1989

Media Info

• Features: Figures; Photos; References;
• Pagination: p. 34-52
• Monograph Title: Railroad Transportation Issues
• Serial:
  • Transportation Research Record
  • Issue Number: 1241
  • Publisher: Transportation Research Board
  • ISSN: 0361-1981

Subject/Index Terms

• TRT Terms: Car trucks (Railroads); Car wheels (Railroads); Derailments; Dynamics; Freight cars; Loss and damage; Railroad rails; Suspension systems; Testing; Train track dynamics; Wear; Wheels
• Old TRIS Terms: Test results
• Subject Areas: Design; Highways; Railroads; Vehicles and Equipment;

Filing Info

• Accession Number: 00495152
• Record Type: Publication
• ISBN: 0309049652
• Files: TRIS, TRB
• Created Date: Jun 30 1990 12:00AM