FIELD: construction.
SUBSTANCE: invention relates to construction, namely to metal frames of buildings and structures for various purposes. Metal frame of the frame consists of columns and crossbars resting on them. Columns and crossbars are made in the form of welded structures consisting of a corrugated wall rigidly connected to two belts. Each belt in cross section is represented by central rectilinear section l1, perpendicular to corrugated wall, length of which is formed by double amplitude of corrugated wall profile and legs of welded seams, and symmetrical right and left overhangs, each of which in cross section of frame elements consists of three successively conjugated sections (l2, l3, l4), which are conjugated by sections l2 with central rectilinear section l1. Each of the three successively conjugated sections (l2, l3, l4) has a curvature radius.
EFFECT: higher bearing capacity.
4 cl, 13 dwg
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