RAW MIXTURE FOR PRODUCTION OF CONCRETE WALKWAY SLABS Russian patent published in 2023 - IPC C04B28/04 E01C5/06 

FIELD: construction materials.

SUBSTANCE: production of concrete products, decorative slabs, walkway and sidewalk coverings used in construction and finishing works. Also, an advantage when introducing construction materials is the useful disposal of waste by involving them in economic circulation with the prospect of using it for the improvement of urban areas. The raw material mixture for the production of concrete walkway slabs includes Portland cement M500 D0, crushed slag stone and construction sand. Additionally, the precipitate of neutralization of acidic etching solutions of titanium products with lime milk and mixing water are used at the following ratio of components, wt.%: slag crushed stone 48.75-49.38; construction sand 24.38-26.88; Portland cement M500 D0 24.37-24.68; precipitate of neutralization of acidic etching solutions of titanium products with lime milk, 5-10 by weight of the specified cement; mixing water up to W/C ratio 0.4.

EFFECT: proposed raw material mixture for the production of concrete for concrete walkway slabs has a significant resource-saving effect by reducing the need for cement for concrete production.

1 cl, 4 tbl