EARTH MIXTURE Russian patent published in 2013 - IPC E02D3/12 E01C7/10 

FIELD: construction.

SUBSTANCE: earth mixture contains the following components, wt %: homogeneous mixture of natural soil, not containing inclusions with size of more than 50 mm 69.0 - 88.0, portland cement 1.5 - 5.5, bentonite powder, modified by soda, for drilling muds 0.8 - 3.3, water - balance. The earth mixture may contain portland cement PC 400 and additionally a lime additive in the amount of 0.5 - 2 wt %.

EFFECT: reduced consumption of a binder with preservation of higher values of earth mixture bearing capacity, stability of volume filling to strengthening, possibility to again use strengthened soil.

2 cl, 2 ex, 2 tbl