Sand-gravel mixture in Chelyabinsk

A sand-gravel mixture (with a gravel content of 15-30%) is a natural non–metallic building material regulated by GOST 23735-2014, consisting of sand with a gravel content of 15% to 30% by weight. This type of product is produced by hydro in a mechanized manner using a C-42 type dredger by extracting the feedstock lying in the lower underlying layers of a gravel-sand mixture with a high gravel content, as well as washing this mixture with a large amount of water to remove pulverized and clay particles. As a result of production and technological processes, this non-metallic building material has the following physical and mechanical properties:

1. Bulk density, equal to 1500 kg/m3; ...