STRUT BEAM Russian patent published in 2014 - IPC E04C3/12 

FIELD: construction.

SUBSTANCE: invention relates to construction, in particular, to laminate strut beams. A beam comprises a body and a strut with fixtures. The strut is a steel rope pulled inside the beam body comprising longitudinal walls, end and intermediate stiffening ribs, between side fixtures arranged on end stiffening ribs. Fixtures are made in the form of yokes, brackets, bolts or coachscrews with hooks that retain peripheral end loops of the rope. The tension mechanism of the rope comprises a helical nipple equipped at one side with the left, and at the other side - with the right external threads and a nut that adjusts the tension force, for this purpose the helical nipple is screwed into end tubes of the steel rope, and also equipped at one side with the left, and at the other side - with the right internal threads, with arrangement in the beam body at the site of location of the control nut of the assembly opening, and in intermediate stiffening ribs - through holes.

EFFECT: higher beam stiffness.

3 cl, 6 dwg