SIMULATED OPERATING STRESSES IN 28-IN.-DIA WHEELS

An analytical stress analysis of B-28 and CB-28 wheels of various designs is presented. Simulated service inputs of vertical, lateral, and brake shoe forces producing thermal loads from emergency braking are used. Octahedral stress mapping is used to display the stress fields generated in the wheels under combination of the above loading conditions. The results show that both wheels have low octahedral stresses when only vertical or vertical and lateral loads are applied, but under combined loading conditions including tread braking the stress levels in the B-28 contour exceed those in the CB-28 wheels.

• Supplemental Notes:
  • Contributed by the Rail Transportation Division of The American Society of Mechanical Engineers for presentation at the IEEE-ASME Joint Railroad Conference, San Francisco, California, April 15-17, 1975.
• Corporate Authors:

  American Society of Mechanical Engineers

  Two Park Avenue
  New York, NY  United States  10016-5990
• Authors:
  • Novak, G E
  • Greenfield, L P
  • Stone, D H
• Publication Date: 1975-4

Media Info

• Features: Figures; References;
• Pagination: 8 p.

Subject/Index Terms

• TRT Terms: Alloy steel; Braking performance; Deformation curve; Diameter; Force; Railroad rails; Railroad wheels; Stresses; Thermal stresses; Vehicle design; Wheel loads; Wheels
• Old TRIS Terms: Braking levels; Tread braking; Wheel design; Wheel diameter; Wheel thermal stresses
• Subject Areas: Design; Railroads; Vehicles and Equipment;

Filing Info

• Accession Number: 00095222
• Record Type: Publication
• Source Agency: American Society of Mechanical Engineers
• Report/Paper Numbers: 75-RT-10
• Files: TRIS
• Created Date: Jul 2 1976 12:00AM