STRUCTURAL UNIT Russian patent published in 2009 - IPC E04C3/20 

FIELD: building.

SUBSTANCE: invention refers to building, particularly to structural unit. The structural unit of beams, spans, crossbars, and trusses type is equipped with a crack interrupter in form of films. Tensile strength of films not less, than three times exceeds that of concrete. Cracks interrupters are arranged parallel to a stretched facet of the unit at the section of its span, within the boundaries of which moment of crack formation of cross section is less, than bending moment for length not more L-2H, where L is length of the structural unit and H is height of its cross section.

EFFECT: increased bearing capacity and durability of bent concrete and reinforced concrete units.

4 cl, 2 dwg