FIELD: construction.
SUBSTANCE: invention relates to the field of construction and can be used as supporting structures for antenna-mast systems, lightning conductors, power transmission lines, radio relay communication, wind power plants, lighting towers, chimneys and other engineering structures. In a three-sided lattice support made of tubular profiles, which includes belts and rods of grids, connected by means of welded sleeves and joints on bolts through flanges, the cross sections of the belts have a flat-oval shape with a ratio of overall dimensions of 1/1.542.
EFFECT: reducing the complexity of manufacturing support structures and reducing the cost of them.
1 cl, 4 dwg
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