FIELD: road building materials.
SUBSTANCE: invention relates soil concrete and can be used as an underlying layer of pavement or for construction of layers of pavement bases. Soil concrete for road construction includes clay soil, binders and an additive, while the clay soil is used in the form of heavy sandy loam, a mineral binder - Portland cement and an organic binder - bitumen emulsion are used as a binder, acidic fly ash is used as an active mineral additive, with the following ratio of components, wt.%: heavy sandy loam – 85.25-88.25; Portland cement – 3.75-4.75; bitumen emulsion – 7-8; acidic fly ash – 1-2.
EFFECT: improved physical and mechanical properties.
1 cl, 5 tbl
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