Effect of train modes on formation of track deterioration

Pevzner, V. O.; Belotsvetova, O. Yu.; Shapet’ko, K. V.

doi:10.21780/2223-9731-2016-75-6-349-353

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2023

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“…Previous studies have established that the strength of thawing soils varies over time. The lowest strength is observed at the moment of thawing [1][2][3][4][5]. During spring thawing of clayey soil, its shear characteristics are lower than in the pre-winter thawed state.…”

Section: Introductionmentioning

confidence: 99%

Mathematical modeling of the mechanical stabilization of the sub-tie base of railroad tracks in the arctic zone

Petriaev

Paramonov

2023

E3S Web Conf.

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The practice of construction and operation of railroads in the Arctic zone shows that the greatest share of track deformations occurs in the summer period during the transition of soils of the subgrade from the frozen state to the thawed state. Wetting, freezing-thawing, and vibrodynamic effects of trains have the greatest influence on the properties of clay soils composing the railroad bed. A model of a sub-tie base stabilized by geosynthetic materials is given. The influence of geosynthetic material on redistribution of stresses during thawing and change of shear deformation character is shown.

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Section: Introductionmentioning

confidence: 99%