TY JOUR TI POZZOLANE AND CORROSION-INHIBITING PROPERTIES OF THE NATURAL ZEOLITE TUFF KW zeolite KW pozzolans KW alkaline corrosion KW cement KW compressive strength KW porosity JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Smorodinova, T.N. AU Kotvanova, M.K. PY 2020 IS 5 PB Belgorod State Technological University named after V.G. Shukhov