TY JOUR TI Calculation of Permafrost Soil Thaw Settlement under Dynamic Load KW Settlement KW railway transport KW thawing soils KW railway subgrade KW dynamic loads KW permafrost soils JO Bulletin of scientific research results AU Svyatogorova, A.V. AU Kolos, I.V. AU Kuznecova, D.R. AU Val'ceva, T.Y. PY 2025 IS 2025 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"