Abstract
Objective: the article presents an assessment of the intensity of accumulation of residual deformations of the main platform of the roadbed in the areas of circulation of heavy and long-composite trains formed from wagons with an axial load of up to 25 tons. Methods: measurements of residual deformations of the main site of the roadbed were carried out by geodetic methods by laying a closed leveling course. To do this, each experimental site was equipped with soil stamps installed on the main site of the roadbed and reference points. The measurements were carried out from 30.05.2022 to 08.11.2023. Results: as a result, the dependences of the accumulation of residual deformations of the roadbed on the missed tonnage have been established for various railway track structures, operating conditions and engineering and geological conditions. Practical importance: measures are proposed to reduce the intensity of accumulation of residual deformations of the main site of the roadbed.
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