TY JOUR TI POZZOLANIC ACTIVITY OF MINERAL ADDITIVE BASED ON THERMOACTIVATED KAOLIN KW kaolinite KW metakaolin KW thermal activation KW dehydroxylation KW amorphization KW pozzolanic activity JO Construction and industrial safety AU Zaychenko, N.M. AU Lahtarina, S.V. AU Lahtarina, N.N. PY 2024 IS 0 PB V.I. Vernadsky Crimean Federal University