MOBILE BRIDGE SPAN STRUCTURE Russian patent published in 2025 - IPC E01D15/12 

FIELD: bridge building.

SUBSTANCE: mobile bridge span comprises a roadway consisting of a longitudinal middle main block and two side consoles, each of which can be folded to the middle above the roadway and is hinged to the main block by longitudinal edges. Each side console of the roadway is equipped with a sidewalk console pivotally attached to the free longitudinal edge of the side console with possibility of folding over the roadway. Main unit comprises two bearing beams of H-beam type with support surfaces in extreme lower position. Each side console of the roadway is equipped with a folding longitudinal baffle plate. Each sidewalk console is equipped with a folding guardrail. Main unit contains a rail track, the top of the rails does not protrude beyond the level of the roadway. Track can be assembled for 1,520 mm and 1,435 mm tracks. Roadway is covered. End surfaces of the main unit and side consoles are equipped with flange connections. Coating is made in the form of metal rods of solid square and round cross-section, which are welded in mutually parallel directions on side supports, in the area of track passages and on the carriageway of the span structure.

EFFECT: invention can be used in collapsible bridges.

1 cl, 3 dwg