One Pedestrian Suspension Bridge With Spatial Unilateral Hangers and Twin Curved Decks in Shanghai

One of two pedestrian suspension bridges with twin curved decks suspended by spatial unilateral hangers is described in detail. It was built in Shanghai international tourism resort, which is 120m long in total and composed of an outer main deck with 6m width and an inside auxiliary deck of 3m wide. Steel box girder of main deck was fixed by two tensile bears at the abutments to resist torsion, and inclined steel-­pipe piles were adopted for foundations of pylons and abutments to balance horizontal thrust for soft ground. The structure system and mechanical property was assured by analysis. To meet human-­walking comfortability, TMD damping devices were employed for the bridge.

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