FIELD: construction engineering. SUBSTANCE: new mechanized bridge is increased in length, reduced in weight without cutting its load capacity and requires less labour to manufacture. Improved is design of stringers, diaphragms, their mutual links and interaction with other components of box-section half-tracks which are interchangeable and unified. Configuration of stringers and upper decking, their interconnection allowed for application of automatic welding which ensures high quality of welded joints, reduces labour intensity and improves reliability of span structure of bridge. EFFECT: high efficiency. 2 cl, 9 dwg
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Authors
Dates
1998-01-20—Published
1994-10-26—Filed