TY JOUR TI MECHANISM OF POZZOLANIC ACTIVITY OF AN ADDITIVE OF HIGHLY DISPERSED WOLLASTONITE STABILIZED WITH POLYCARBOXYLATE ETHER KW wollastonite KW polycarboxylate ester KW hydrolysis KW carboxylic acids KW pozzolanic activity KW highly dispersed fine-grained concrete modifier KW mechanism JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Lukuttsova, N.P. AU Karpikov, E.G. AU Soboleva, G.N. AU Nazarenko, E.I. AU Golovin, S.N. AU Pykin, A.A. PY 2026 IS 11 PB Belgorod State Technological University named after V.G. Shukhov