TY JOUR TI INFLUENCE OF ORGANIC AND MINERAL ADDITIVES BASED ON WOLLASTONITE ON THE PROPERTIES AND STRUCTURE OF CONSTRUCTION CERAMICS KW building ceramics KW organic and mineral additives KW wollastonite KW strength KW frost resistance KW structure KW porosity JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Lukuttsova, N.P. AU Pykin , A.. AU Vasyunina, S.V. AU Momot, V.O. AU Pehen'ko, D.A. PY 2017 IS 2 PB Belgorod State Technological University named after V.G. Shukhov