Dongting Lake Bridge, Cable-stayed bridge in Yueyang, China
Dongting Lake Bridge is a cable-stayed bridge that spans across the second largest freshwater lake in China, supported by three main towers connected through steel cables. The structure carries traffic across the water in segments and forms a direct passage where boats and ferries once were the only crossing option.
Construction started in 1996 and was completed in 2000, requiring four years of engineering work above a major freshwater lake. The opening marked a turning point for land transport routes in the region and eliminated the need for long detours.
The bridge connects multiple communities around Dongting Lake, forming a crucial link in the transportation network of northeastern Hunan Province.
The bridge carries traffic during daytime and is part of a larger highway network connecting across the province. Pedestrians should be cautious of the traffic volume, as this is a high-speed corridor with regular vehicle flow.
The structure uses special dampers filled with a liquid that changes consistency through magnetic fields to control vibrations. This technical system works automatically and adjusts itself to the bridge movements without needing manual adjustments.
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