STEEL WOOD CONCRETE H-BEAM Russian patent published in 2019 - IPC E04C3/29 

FIELD: construction.

SUBSTANCE: invention relates to construction, specifically to structures of steel wood concrete H-beams. Steel wood concrete H-beam includes top and bottom belts from metal-toothed shells, and wall from glued pack of boards or wood plastic. Upper belt consists of 2 half-shells, which are filled with concrete, lower belt – from shell of solid cross-section. Anchor shells of circular cross-section are formed of two teeth of semi-ring section, which are in contact with wall are pressed into it, and in area of upper belt are dipped in concrete. At lower belt teeth have semicircular section, are bent inside longitudinal edge and are pressed into wall through holes of stamping teeth of middle zone.

EFFECT: technical result consists in improvement of strength and rigidity.

3 cl, 7 dwg