COMBINED TWO-PIVOT SYSTEM WITH RIGID THREAD FROM ROLLING PROFILES Russian patent published in 2018 - IPC E04C3/11 

FIELD: construction.

SUBSTANCE: invention relates to construction, namely to combined two-belt system with a rigid filament from rolling profiles, and can be used in construction of buildings for various purposes: trade and warehouse buildings, land parking lots, industrial buildings. Essence of the proposed invention lies in the fact that a combined two-belt system with a rigid filament from the rolling profiles includes an upper belt in the form of a triangular arch, lower belt in the form of a rigid thread (reverse arch) of a broken outline and a lattice consisting of columns and V-shaped braces in the middle spans. Difference of claimed invention consists in that the upper belt is made gable with a slope providing the required roof slope, the arrow of the sash of the lower belt is assumed to be equal to 1/10…1/12 span, nodes of the lower belt are located along a parabolic curve. Step count is assigned to the step of the runs. Lattice and belt connections are hinged.

EFFECT: new technical solution is aimed at creating combined two-pivot system with a rigid filament from rolling profiles with a reduced material capacity with increasing bearing capacity and span of the structure, with a gable upper belt.

1 cl, 1 dwg