TY JOUR TI On the Issue of Hydrodynamic Forces Acting on Coastal Railway Structures KW Hydrodynamics of smoothed particles KW retaining walls KW railway structures KW track substructure KW trestle JO Bulletin of scientific research results AU Vorob'ev, A.A. AU Vataev, A.S. AU Vatulin, Y.S. AU Mayorov, V.S. AU Krasnobryzhiy, S.A. PY 2025 IS 2025 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"