Abstract
The paper describes results of stressed state tests of railway subgrade top in under new-generation gondola cars with 270 kN axle load. Vertical stresses were measured in 2018, May and June, for test trains made up with new-generation cars, and under regular freight trains operating on the Kachkanar–Smychka section. Test stretch is situated at the eastern slope of Ural Mountains. The area has an average yearly temperature of 1.7 °C. Vertical stresses induced with rolling stock were measured with tensometer sensors (pressure cells). A 10% increase was predicted for impact applied to subgrade top with new-generation 270 kN cars on the jointed track with wooden sleepers and up to 18–20% increase on a continuous joint with concrete sleepers.
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Kolos, A., Romanov, A., Govorov, V., Konon, A. (2020). Railway Subgrade Stressed State Under the Impact of New-Generation Cars with 270 kN Axle Load. In: Petriaev, A., Konon, A. (eds) Transportation Soil Engineering in Cold Regions, Volume 1. Lecture Notes in Civil Engineering, vol 49. Springer, Singapore. https://doi.org/10.1007/978-981-15-0450-1_35
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DOI: https://doi.org/10.1007/978-981-15-0450-1_35
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