TY JOUR TI Application of Steel-Reinforced Concrete Structures in Bridge Constructions KW Bridges KW superstructure KW steel-reinforced concrete structure KW combined beams KW steel-fiber concrete KW pipe concrete KW material intensity KW reliability KW durability JO Proceedings of Petersburg Transport University AU Veselov, V.V. PY 2023 IS 20 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"