Reliability-Based Optimization for Fatigue Maintenance Planning of Freight Car


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The performance of bogie decreases according as traveling distance increases. Its causes were expected to be fatigue, wear, and deterioration. Especially, maintenance coat needs about triple than manufacture cost during required life in case of container and uncovered freight car. Freight car doesn’t adapt corrective maintenance which repairs a poor part after a trouble but use preventive maintenance which fixes a bad part before a trouble. There were a few researches on preventive maintenance such as inspect affairs and facilities management. They couldn’t estimate the operation reliability on railroad vehicle. Therefore, this study proposes the preventive maintenance procedure that predict repair period of end beam for uncovered freight car using reliability function and instantaneous failure rate on the basis of fatigue test and load history data.



Key Engineering Materials (Volumes 345-346)

Edited by:

S.W. Nam, Y.W. Chang, S.B. Lee and N.J. Kim




S. H. Baek et al., "Reliability-Based Optimization for Fatigue Maintenance Planning of Freight Car", Key Engineering Materials, Vols. 345-346, pp. 1369-1372, 2007

Online since:

August 2007




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[2] S. E. Rigdon and A. P. Basu: Statistical Methods for the Reliability of Repairable System, John Wiley & Sons (2000).

[3] S. D. Dowing and D. F. Socie: International of Fatigue Vol. 4, No. 1 (1982), p.31~40.

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