Method and apparatus for piled foundation improvement through fr

Hydraulic and earth engineering – Marine structure or fabrication thereof – With anchoring of structure to marine floor

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405130, 405225, 622591, E02D 546

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048367168

ABSTRACT:
A method and apparatus for increasing the load bearing capacity of tubular piles by freezing an area of soil surrounding the piles. A refrigeration unit is located on the surface of an offshore structure and circulates cold brine to an isolated section of the pile. The brine freezes the soil surrounding the pile. Freezing the soil increases the surface friction beween the pile and the soil, providing increased load bearing capacity.

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Parameswaran, "Adfreeze Strength of Model Piles in Ice", Can. Geotech. J., vol. 18, pp. 8116 (1981).
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