SUSPENSION DECK STRUCTURE FOR LOW-TEMPERATURE STORAGE TANK

摘要

PROBLEM TO BE SOLVED: To provide a suspension deck structure for a low-temperature storage tank capable of reducing weight and execution cost. SOLUTION: In this suspension deck structure for the low-temperature storage tank, this suspension deck is suspended from an internal surface of the roof of the low-temperature storage tank by a suspension member and is horizontally held. The deck is provided with a plurality of radial floor parts provided from a center part toward a peripheral part, a plurality of annular floor parts provided concentrically with the center part and a porous floor part provided in a fan-shaped region surrounded by the radial floor parts and the annular floor parts. Cold insulation materials are laid on the whole of upper surfaces of the radial floor parts, the annular floor parts and the porous floor part. COPYRIGHT: (C)2004,JPO