Network arches over the Danube - Railway Road Bridge in Novi Sad
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The Railway road bridge in Novi Sad (Serbia) is situated on the international railroad line No 2 (Belgrade-Budapest) and designed for two railway tracks (160 km/h), two road lanes and two footpaths. The bridge structure consists of four structures: two approach composite bridges at the banks and two steel tied network arch bridges over the river. The spans are 27,0 m + 177,0 m + 3,0 m + 219,0 m + 48,0m, totally 474,0 m in length. The rises of arches are 34,0 m and 42,0 m respectively. The width of the bridge is 31,5 m. The arches and ties, as well as the girders of the approach spans, are steel box girders. The decks of all bridge structures are the composite reinforced concrete slabs with thickness of 300 mm, locally 400 mm. The launching itself was very complex and unique, in both analysis and construction. The arch bridges were fully assembled on the banks and launched by skids over the bank and by pontoons over the river, to the final position on piers. The bridge is, despite of he...avy loads and structural complexity, very rational in steel volumes and construction costs as well.