Hutong Yangtze River Bridge installs first high-performance stayed cable
2019-03-13 16:07:00

The Hutong Yangtze River Bridge, under construction, installed the first stayed cable which ran from the bridge’s south main tower to the deck on the early morning of March 11. This was the first time in China’s history of building road-rail, cable-stayed bridge as the girder is also under installment.

The 2,300-meter main channel bridge has two towers and 5 spans, with a main span of 1,092 meters. There are 72 pairs of stayed-cables, split equally to link the two towers with the deck. The high-performance stayed cables, which weighed 17,747 tons in total, were developed by using zinc-aluminum (Zn-Al) alloy to coat the steel wires, each with a diameter of 7 mm, to improve their strength up to 2,000?Mpa, a world record-setting innovation specially designed for the.

When the Hutong Yangtze River Bridge was in the stage of survey and design, the China Railway Major Bridge Reconnaissance & Design Institute cooperated with Baosteel Group and Wuhan Iron and Steel Corporation to conduct researches on materials for the stayed cables.

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Source: Editor: Cassie