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Hangzhou Bay Bridge Information
Hangzhou Bay Bridge is a sea-crossing bridge across Hangzhou Bay in China. It starts from Zhengjiadai, Haiyan, Jiaxing, Zhejiang in the north and ends at Shuilu Bay, Cixi, Ningbo, with a total length of 36 kilometers. It is the longest sea-crossing bridge in the world, which is 1 1 km longer than the King Fahd Bridge connecting Bahrain and Saudi Arabia, and the second bridge in the world after the Pontchartrain Lake Bridge in the United States.
After the completion of Hangzhou Bay Bridge, the land distance between Ningbo and Shanghai will be shortened by120km, providing a convenient passage for the national trunk line-the third line crossing Hangzhou Bay. The bridge is designed as a two-way six-lane expressway with a design speed of 100 km/h, a design service life of 100 years and a total investment of about1400 million yuan. Construction started on June 26th, 2007 165438+20031October 4th. After 43 months of engineering construction, the whole bridge was completed. It is planned to complete the bridge deck pavement before June 30, 2007. The bridge was completed on the evening of May 1 2008. The torch relay of the 2008 Olympic Games crossed the Hangzhou Bay Bridge.
Hangzhou Bay Bridge is designed as a two-way six-lane expressway with a design speed of 100km/h, a design service life of 100 years and a total investment of about11800 million yuan. The bridge has two navigation channels, namely, the North Channel Bridge is a rhombic steel box girder cable-stayed bridge with twin towers and double cable planes with a main span of 448m, and the navigation standard is 35,000 tons; Nanhang Road Bridge is a type A steel box girder cable-stayed bridge with single tower and double cable planes, with a main span of 3 18m and a navigation standard of 3,000 tons. Except for the South and North Waterway Bridges, the other approach bridges all adopt prestressed concrete continuous box girder structures ranging from 30 to 80 meters. Hangzhou Bay Bridge is the longest sea-crossing bridge built or under construction in the world.
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