FIELD: bridge building.
SUBSTANCE: floating road bridge consists of truss span structures with running downwards, floating supports from barge platforms, abutments, entrances, ramps. Truss span structures are made with length of more than 77 m, deck barges-platforms of river fleet have carrying capacity of 1,500 t, are equipped with two support platforms with rollers and one support-rotary mechanism. For passage of river fleet vessels, truss span in alignment between abutment and barge platform is made with possibility of sliding on bridge abutment, or turning of span together with barge through angle of 90° and displacement towards the nearest barge.
EFFECT: reduced time of reconstruction and erection of floating bridge of large spans.
1 cl, 7 dwg
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