DEVICE TO ACCUMULATE CHILL IN SOILS Russian patent published in 1995 - IPC

Abstract SU 1759050 A1

FIELD: civil engineering. SUBSTANCE: device includes central and periphery tubes and a tube branch. Central and periphery tubes are immersed in bulk soil, and the tube branch are immersed in underlying permafrost. The tube branch is adjoined to lower end of central and periphery tubes. Upper end of the tube branch expanses upwards. Lower end of the tube branch is blind. EFFECT: increased strength of frozen base. 2 dwg

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SU 1 759 050 A1

Authors

Gapeev S.I.

Gapeev V.S.

Dates

1995-08-27—Published

1990-01-23—Filed