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The world’s longest cross-sea high-speed railway bridge officially started construction, creating a number of “world’s best” – IT Home

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News from IT House on December 5th, according to the website of the State-owned Assets Supervision and Administration Commission, the Tongsu Jiayong high-speed railway (Nantong-Ningbo high-speed railway, referred to as “Tongyong high-speed railway”) Zhejiang section held a groundbreaking ceremony in Ningbo on November 30, marking theThe world’s longest cross-sea high-speed railway bridge – the Hangzhou Bay Cross-sea Railway Bridge officially started construction.

The Hangzhou Bay Bridge is 29.158 kilometers longfrom north to south, the cable-stayed bridge with a main span of 450 meters, the cable-stayed bridge with a main span of 2×448 meters and the cable-stayed bridge with a main span of 364 meters span three main channels.

According to reports, Hangzhou Bay is one of the world’s three major tidal bays, with “wide sea area, strong winds, high waves, large tidal range, and high current velocity.”this projectWill create bridge design and construction “four best in the world”:

  • It is the longest cross-sea high-speed railway bridge with the highest construction standard in the world;

  • It is the world’s first high-speed railway cross-sea bridge with strong tidal bay, ultra-low water resistance, and fully buried bed pile group foundation;

  • It is the ballastless track bridge of high-speed railway with the largest span in the world (the main span is 2×448 meters ballastless track three-tower cable-stayed bridge);

  • It is the longest high-speed railway concrete continuous beam in the world.

IT Home learned that,The Nantong-Ningbo high-speed railway is an important part of the coastal corridor of my country’s “eight vertical and eight horizontal” high-speed railway network,Design speed 350 kilometers per hourThere are 10 stations on the whole line: Nantong West, Zhangjiagang, Changshu West, Suzhou North, Suzhou South, Jiashan North, Jiaxing South, Haiyan, Cixi, and Zhuangqiao, of which Changshu West, Suzhou South, Jiashan North, Haiyan, and Cixi are 5 stations. Newly built stations, others are existing stations.

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