FIELD: construction.
SUBSTANCE: installation method of pile of open profile in weak seasonally frozen heaving soils provides for equipping some part of length of the pile shaft with the shell of closed transverse profile, which is arranged on some part of length of shaft, which is buried below the limit of seasonally frozen soil. Length of shell is determined based on optimum conditions of forming the compacted soil plug in semi-closed space of cavity of shell in direction of action of submerging force on the basis of the ratio: L = B/2tg(φ/2), where L - length of shell; B - width (cross dimension) of shell; φ - angle of internal friction of soil at the boundary of seasonal frost.
EFFECT: increase of pile bearing capacity.
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