FIELD: bridge building, particularly span structures of reinforced concrete bridges.
SUBSTANCE: beam comprises ridge and panel arranged in height-central rib part. The panel is located from both rib sides. Upper rib part projecting over the panel forms bridge balustrade. Reinforcement frames are continuous over the all rib height and all panel width and crossing each other.
EFFECT: reduced number of beams in span structures.
1 dwg
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