At present, the elevated rail transit stations in the largest steel cable film project - Shanghai Rail Transit Line 11 # Longyang Road elevated station south section steel canopy project, recently China Railway Construction Steel Company completed four innings. The canopy total length 244 m, span 41.2m, building area 12668㎡ for steel arch + cable-membrane structure. For all-welded steel structure, with steel arches + mast cable-stayed system, a total of four cables to the mast, three cable-stayed mast and the main arch connecting with the main arch and two adjacent sub-arches. A total of nine specimens of the main roof structure arch, 8 Pin Vice arch, arch between the main arch deputy by the curved trusses connecting rods and vertical connection contact. Roofing material selection PTFE (opaque waterproof membrane) and ETFE (transparent) of two membranes with the use of both natural lighting, shelter and many other features, beautiful and practical.
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