TY JOUR TI DEVELOPMENT OF THERMOLYTHIC CONCRETE COMPOSITION BY MATHEMATICAL PLANNING METHOD OF EXPERIMENT KW siliceous rock KW thermolite KW thermolythic concrete KW multi-component system KW optimization methods KW rational composition KW composite building material KW experimental design methods KW Scheffe simplex-lattice design. JO Technique and technology of silicates AU Elchishcheva, T.F. AU Taskaliev, A.T. PY 2026 IS 33 PB Individual Entrepreneur Svetlana Vasilievna Samchenko