%0 Journal Article %T STUDY OF THE STRENGTH OF CONCRETE ON QUARTZ-GLAUCONITE SAND WITH A COMPLEX ADDITIVE %A Lukuttsova, N.P. %A Golovin, S.N. %A Pykin, A.A. %A Vorobyov, A.A. %A Khandozhko, E.S. %K quartz-glauconite sand, fine-grained concrete, microsilica, superplasticizer, hardening accelerator, three-factor experimental design, compressive and flexural strength %J Bulletin of Belgorod State Technological University named after. V. G. Shukhov %D 2025 %N 10 %P 9 %I Belgorod State Technological University named after V.G. Shukhov