FIELD: ice engineering.
SUBSTANCE: method relates to operation of ice crossings during transportation of cargoes on them at low speeds. Steel compression springs with diameter of not more than 1/2 of the ice thickness are frozen into the upper layers of the ice cover when they are immersed to a depth of not more than 1/4 of the ice thickness. Simultaneously, steel extension springs with diameter of not more than 1/2 of the ice thickness are frozen into the lower layers of the ice cover when they are immersed to a depth of not more than 3/4 of the ice thickness. Springs in upper layers of ice are provided with compressive forces, and springs in lower layers are provided with stretching forces. After the springs are frozen in, the loading forces are removed.
EFFECT: increased bearing capacity of ice cover.
1 cl, 2 dwg
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