Track traffic and urban road integrated tie arch bridge
A technology for rail transit and tied arch bridges, applied to roads, arch bridges, roads, etc., can solve the problems of poor economic effect and lack of layout considerations in separate construction, and achieve the effects of economical cost, shortened construction period, and convenient construction, transportation, and lifting installation
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[0017] Example: An urban design scheme is an under-supported tie-bar arch jointly built by rail transit and urban road bridges. The main bridge is horizontally arranged as two sets of arch ribs 1 with a total width of 46.9m. The bridge deck connected by crossbeams between two sets of arch ribs is arranged as two-lane rail transit 7 with a net width of 7.7m. The up and down lines of road motor vehicles are respectively arranged in two sets of arch ribs. The one-way width of motor vehicle lanes is 14m. The outer side of the rib is cantilevered by side longitudinal beams, with a clear width of 2.75m.
[0018] The specific scheme is a single-span simply supported bottom-supported tie-rod arch bridge with a span of 78m and a bridge width of 46.9m. The design fully considers the interaction between road vehicles and rail traffic, and the structure adopts rigid arch and rigid beams. Arch rib 1 is the main load-bearing member, which is steel pipe concrete, and is connected with wind ...
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