About the article
Y.Y. Kuryatnikov
With the use of secondary crushed stone of fraction 5–20 mm and secondary crushed stone-sand mixture of fraction 0–60 mm, obtained during processing of concrete scrap, concrete compositions of strength classes B7.5–B22.5 have been developed. Replacing natural crushed stone with a secondary one gives a noticeable economic effect when using it.
secondary crushed stone, secondary crushed stone-sand mixture, concrete scrap, heavy concrete, processing of substandard products, improving the ecological situation.