Importance

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Abstract

A tank for holding liquefied gas and including a support in the form of a vertical skirt which forms a structural unity with the tank wall. The vertical skirt has an intermediate portion in the region between the transition to the tank wall and the foundation, said intermediate skirt portion being made of a material which has the properties of poor heat conductivity relative to that of the material comprising the tank wall and the portions of the skirt above and below it, and which has, a thermal expansion coefficient which lies between those coefficients for the other skirt portions, and the ability to withstand low temperatures, said intermediate skirt portion being thermally insulated. That intermediate skirt portion forms a thermal barrier or 'temperature brake' between the top and bottom portions of the skirt.

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First Claim