TY JOUR TI Study of the Effect of Asphalt Concrete Suballast Layer on the Accumulation of Residual Deformations in the Railway Track Structure KW railway KW sub-ballast layer KW asphalt concrete layer KW subgrade KW residual deformations KW subgrade settlement KW soil grades JO Construction and Architecture AU Kolos, A.F. AU Chernyaeva, V.A. AU Shekhtman, E.I. AU Sokolov, L.K. PY 2025 IS PB Publishing Center RIOR