FIELD: construction of bridges with wooden spans. SUBSTANCE: board-bonded span includes vertical bonded factory-fabricated joists of rectangular cross-section, upper wallboard made of horizontal broads-stocks used simultaneously as element of bridge road and element of main joists. Novelty of proposal lies in that bonded wallboard of bridge road assembled at site of construction includes layers of horizontal boards-stocks crossed at angle of 90 degrees and laid over entire width of bridge at angle of 45 degrees with axis of joists with arrangement of glue joint with joists and between layers and formation of multirib joist system. EFFECT: raised bearing capacity of board-bonded spans, reduced usage of materials and labor input to their manufacture and assembly. 1 cl, 6 dwg
| Title | Year | Author | Number |
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