Purpose: To determine legitimacies of changes in technical state of railway permanent way in the areas with harsh climate conditions with the purpose to design track maintenance system in the Arctic conditions. Methods: During the study, an analysis of main indicators of permanent way (upper construction) technical condition was carried out such as the way’s element defectiveness (rails, fastenings, sleepers, ballast pollution) and faults of geometric parameter norms of rail track (widenings and narrowings, alignment by a level, sags, subsidences, position in a plan). Data analysis was carried out in accordance with specially created model of the dependence of changes in the parameters of permanent way technical condition from a workload tonnage inclusive of annual periods. Results: Based on the observations, the change in track maintenance costs for the lines located in continuous winter conditions was determined. These are costs, related to railway track faults and defectiveness of track superstructure (permanent way) elements. Practical importance: The results of the study ‘re intended for the work planning system development on track maintenance and repairs in harsh climate conditions.
Arctic zone, permanent way, track maintenance system in a harsh climate, track maintenance costs
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