Xi 'an Outer Ring Highway southern section LJ-2 Steel box girder bridge project
Jan 22,2025
Construction unit: Shaanxi Expressway Group Co., LTD
Project address: Xi 'an City
Tonnage: more than 3,000 tons
The Qinzhen interchange of Xi 'an Outer Ring Highway (southern section) is located on the west side of Qindu Town and connects with Xihu First Grade highway, which assumes the function of converting urban roads and expressways. Qin town interchange K8 + 095.75 Hu city viaduct left 18 league, right of 16, the second group is using (60 + 80 + 60 m steel box concrete composite Bridges, using high weathering steel girders Q370qDNH trough steel composite beams, driving but 16.9 m wide, main girder total height of 4.0 m, girders, K form will be used and the longitudinal spacing is 4 m. The driveway slab is made of precast concrete slab with full width of transverse precast and transverse prestress; Nail holes are reserved for the driveway plate, and cluster welding nails are arranged on the upper flange plate of the steel beam corresponding to the welding hole and wet joint. After the positioning and installation of the precast driving plate, the welding holes and wet joint concrete are poured to connect with the steel beam.
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