Technical Reports

Dynamic Loads on the Undercarriage of Freight Cars

  • 01
  • Jul
  • 1979
AUTHOR: N. N. Krudryautseu
OFFICE: RPD
REPORT NUMBER: FRA/ORD-79/33
SUBJECT: Freight Operations
KEYWORDS: Wheels, Strain Gages, Side-Frame, Vertical Forces, Lateral Forces, Derailment Coefficient
ABSTRACT: A description is presented of the procedure and the equipment used to study the dynamic loads acting on the undercarriages of freight cars. The results are presented from testing the four axle and eight axle gondolas and tank cars on the primary routes of the railroad network as part of operating and experimental freight trains. The generalizing relations are obtained for the vertical and horizontal (lateral) forces and the derailment coefficient The test data would be useful for further, more precise definition of the calculated norms when designing cars considering the prospective operating conditions. The book is designed for scientific and technical workers connected with the construction, operation, maintenance and repair of freight cars.
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