TY JOUR TI Contact strength of C-S-H cement phase with additives KW cement phase C-S-H KW contact strength KW additives KW high alumina slag KW portlandite KW calcium aluminates JO Technique and technology of silicates AU Ovcharenko, G.I. AU Ibe, E.E. AU Sandrasheva, A.O. AU Viktorov, A.V. PY 2025 IS 26 PB Individual Entrepreneur Svetlana Vasilievna Samchenko