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The project of Sanhe Island footwalk bridge in Tianjin City

The Sanhe Island footwalk bridge is a 3 spans suspension bridge with 264 meters in length and 2 meters in width. It connects the levee of Yongding new river with the only sea island in the Tianjin sea area, Sanhe Island. The bridge is consist of 2 piers for 12 meters on the levees of Yongding new river and Sanhe Island, the steel suspension structure of bridge and the timberwork of bridge floor. Our company provided the advanced damping solution and equip the tuned mass dampers for the bridge and reduce the vibration which caused by walking load sufficiently.

The service of damping device: Tuned Mass Damper

Specification details:

The mass weight: 700kg

Spring stiffness: 16560N/m±15% C=340N.s/m

Distance of travelling: ±100mm

The frequency of control: 2.5

Working quantity: 6 sets