FIELD: construction.
SUBSTANCE: invention relates to construction, particularly, to design of vertical cylindrical steel tank for storage of oil products. Cylindrical wall and bottom are connected to each other by structural element in form of toroidal transition with radius equal to radius of reservoir, with shelves of design size and thickness of sheet equal to thickness of wall of first belt, at that along the whole contour of wall between toroidal transition and foundation of the tank there is a step-pad.
EFFECT: reduction of stress concentration in zone of connection of tank wall with bottom.
1 cl, 4 dwg
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