BRIDGE Russian patent published in 2001 - IPC

FIELD: bridge engineering; erection and design of railway, highway, and other types of crossing bridges. SUBSTANCE: bridge has fixed piers, flexible lower booms of bridge, bearing members, and suspensions joining the latter to lower boom. Novelty is that bearing members of bridge are made of at least two pairs of bearing rods forming truss together with lower boom; upper ends of trusses are joined together by flexible brace for turning; lower ends of trusses are supported by hinged pier on one side and on roller on other side to provide truss closing in case of tensioning of its lower boom by bottom ends of rods; bridge is provided with walls and floors fastened on rods that formed building. EFFECT: reduced specific material and labor consumption; improved design, comfort, and earth conservation level. 2 cl, 14 dwg