TY JOUR TI COMPARATIVE DURABILITY OF CONCRETE WITH VARIOUS AGGREGATE SIZES AND WITHOUT HIM KW powder concretes KW the diffusion coefficient of deceleration KW initial velocity KW carbon dioxide corrosion JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Rahimbaev, S.M. AU Tolypina, N.M. AU Tolypin, D.. PY 2017 IS 2 PB Belgorod State Technological University named after V.G. Shukhov