The standard covers ready-made mixtures (crushed stone-sand, gravel-sand, and crushed stone-gravel-sand) intended for:
The sand component must meet specific plasticity indices (e.g., Pl1, Pl2, Pl3) to ensure stability under load. gost 25607 93
Specifies requirements for the crushed stone or gravel components to maintain strength when saturated. gost 25607 93