TY JOUR TI Influence of Stabilization Technologies on Deformation Parameters of a Railway Track Ballast Prism KW Ballast prism KW dynamic loading KW ballast stabilization KW layer-by-layer compaction KW settlement KW geogrid JO Bulletin of scientific research results AU Somov, D.N. AU Petryaev, A.V. AU Parahnenko, I.L. AU Teniryadko, N.I. PY 2025 IS 2025 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"