METHOD TO COMPACT COHESIVE DISPERSED SOILS Russian patent published in 2011 - IPC E02D3/12 

FIELD: construction.

SUBSTANCE: hardening mortar of 100 grade is used in the form of a sand-cement mixture with a plasticiser, which contains clay, the required quantity of which in the hardening mortar is brought to 8-10%, at the same time detection of the required quantity of clay in the hardening mortar is carried out with account of a number of clayey particles available in sand used for preparation of the hardening mortar. The hardening mortar is fed at the permanent pressure of 5-9 atmospheres and injection speed of 1-2 m³/hour via injectors, which are installed with a pitch of 0.75-1.5 m and are submerged at the depth of an active area step-by-step.

EFFECT: method to compact cohesive dispersed soils makes it possible to increase efficiency of works by selection of rational composition of sand-cement mortar with clay plasticiser and accurate observation of process parameters.

3 cl, 1 dwg