HYBRID BRIDGE SPAN Russian patent published in 2023 - IPC E01D2/00 

FIELD: construction of spans.

SUBSTANCE: invention relates to the construction of spans, in particular spans of overpasses, flyovers, overlaps. The hybrid bridge span includes the main beams made of fiberglass pipes and a reinforced concrete slab of the roadway, jointly working with the beams by means of supports. The main beams are divided along the length into separate blocks, which are joined in the longitudinal direction with the help of flange joints in the form of a metal transverse rib welded to a metal ring, which is wound into the pipe at the stage of its manufacture, and in the transverse direction the beams are located at a distance of not more than less than one diameter of the tubular beam and are interconnected by braces of cross braces attached to metal gussets made in the form of a vertical rib and a curved plate wound into the pipe at the manufacturing stage. Each stop is made of reinforcing bars fixed on a steel plate, following the contour of a pipe, bolted to the main beam.

EFFECT: increase in the durability of the structure.

3 cl, 5 dwg