FIELD: construction.
SUBSTANCE: trihedral lattice support includes belts of a closed polyhedral section with edge bends at an angle of 60° to each other and the grid bars, attached to the bent edges. The bent edges are provided with additional bends oriented inward towards each other and connected along the length, and the grid bars are attached to the plane of the edges on the opposite side of the additional bends.
EFFECT: increased local stability of edges and eccentricities reduction in braces fastening.
3 dwg
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