FIELD: construction.
SUBSTANCE: invention relates to construction, specifically to nodal joints of beams. First, in the wall of the main beam, making holes for bolted joints of two secondary beams, and to each belt of secondary beams by welding tubular profiles are connected, which are installed on the welded in the bolt holes zone support elements made of the arc-shaped form and facing the tubular profile with the concave side, at that, having the curvature radius greater than the tubular profile radius, then performing the two adjacent secondary beams tightening with the main beam wall by the bolts passing through the tubular profiles, secondary beam wall is bolted to main beam stiffness rib. Support elements of arc shape are made by cutting of whole pipe along axis or from flat sheets by rolling with rolls.
EFFECT: increasing the rigidity of the nodal connection of beams by absorbing significant bending moments and transverse forces.
3 cl, 3 dwg
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