UNIT FOR CONNECTION OF TUBULAR SECTION BARS IN TRIHEDRAL GIRDER Russian patent published in 2009 - IPC E04B1/58 

FIELD: construction.

SUBSTANCE: invention is related to the field of construction, in particular to unit for connection of tubular section bars in trihedral girder. Unit for connection of tubular section bars comprises connecting element with holes for fastening elements. Unit is formed with tubular section bars of belts and braces of trihedral girder. Belts and braces are connected to each other by means of connecting elements. Unit is equipped with insert installed in belt. Belt is arranged with pentahedral cross section, and braces have rectangular box-like section. Connecting element is made of glass-fibre plastic with thickened wall in foundation, with transverse holes in foundation under bolt joints and with truncated ends under installed brace. Connecting element is fixed on thread with the help of bolt on inclined wall of belt and in insert with pentahedral section installed in it. Insert is equipped with threaded holes joined with holes arranged in connecting elements and in inclined wall of belt. Each brace is fixed on connecting element by means of bolt joints.

EFFECT: improved operational properties by increase of corrosion resistance of joint and structure as a whole, and also improved operation of belt in point of connection with brace grid.

6 cl, 6 dwg