METHOD OF PIPE DRIVING IN SOIL Russian patent published in 2014 - IPC F16L1/28 E02F5/18 

FIELD: mining.

SUBSTANCE: proposed method consist in driving the pipe in soil, forming the soil core in pipe face section, forcing said core by air pressure portions in annulus, cutting off the core portions to make the chamber ahead of soil core portion by displacing the soil duct in the axis of submergence. Said soil duct is composed by submersible pipe to be displaced in submergence axis by static force. Soil core portions transfer is conducted by creating vacuum at submersible pipe external end.

EFFECT: lower power intensity, lower costs.

3 cl, 3 dwg