FIELD: construction.
SUBSTANCE: invention relates to portable bridges, particularly, to elements of bridge superstructure sections. Power beam of a bridge section is designed with lugs on ends. Novelty of the power beam of a bridge section is the fact that the beam rectangular-sectioned and made of a composite material, for example, glass fibre, and in each lug hole there is a steel bushing with two welded plates with pins, as well as two flanges welded to bushing edges, width of each flange is equal to height of the power beam, the plates are arranged parallel to beam caps, and the pins are fixed rigidly on the plate perpendicular to said caps, filler is installed between the plates, for example, a wooden bar, height of the beam wall is included in the structural depth of the bridge section.
EFFECT: element of bridge superstructure sections is proposed.
1 cl, 4 dwg
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