EARTH MIXTURE Russian patent published in 2010 - IPC E01C7/36 

FIELD: construction.

SUBSTANCE: composition of earth mixture contains clayey soils, hydraulic binder, such as portland cement and water, which additionally contains water soluble polyelectrolyte at the following ratio of components, wt %: clayey soil 67.0-85.0, portland cement 4.0-10.0, water soluble polyelectrolyte 0.01-0.02, water - the rest.

EFFECT: increased strength of motor roads bed or upper layer of earth bed for all categories of roads, its bearing capacity, resistance to erosion, replacement and movement of initial soil are not required, provides for high cost-efficiency of construction and repair roads, increased service life under conditions of higher moisture and lower temperatures.

10 cl, 4 tbl, 3 dwg