CONCRETE MIXTURE Russian patent published in 2017 - IPC C04B28/04 C04B22/14 C04B22/08 C04B24/00 C04B24/24 C04B111/20 C04B103/32 

FIELD: construction.

SUBSTANCE: concrete mixture contains portland cement, filler, water and compound additive comprising cement hardening retarder and accelerator of hardening molasses, with a placeholder used with the size of fractions 0-5 mm, 5-20 mm and 20-40 mm in the ratio 1:0.5:0.8, the next component ratio, wt %: Portland - 13.2-15.7; water - 7.6-9.1; complex additive - 0.795-1.092; -the rest is filler, and complex additive additionally contains a surfactant sodium laureth sulfate (SLES) as a curing accelerator use ferrous sulfate (FeSO₄ 7H₂O), following the ratio of the wt %: hardening retarder molasses 0.4-0.6; curing accelerator ferrous sulfate (FeSO₄ 7H₂O_⋅) 0.385-0.476; surfactant sodium laureth sulfate (SLES) 0.01-0.016.

EFFECT: increasing the durability of concrete mixture in 7 days of age with the improvement of technical parameters, in particular the deposits of a cone.

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