%0 Journal Article %T Features of cement paste hydration and hardening processess with the addition of hydrated cement %A Samchenko, S.V. %A Abramov, M.A. %A Egorov, E.S. %K addition in concrete, heat of hydration, kinetic of hardening, setting time, calorimeter %J Technique and technology of silicates %D 2025 %N 27 %P 4 %I Individual Entrepreneur Svetlana Vasilievna Samchenko