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The world's largest steel caisson is undocked

发布者: 沐雨听风 |查看: 1768 | |来自: 人民网 2019-12-30 08:25 | Posted by: Mu Yu Ting Feng | Views: 1768 | | From: People's Network

On December 28, 2019, the world's largest steel caisson, the No. 5 pier steel caisson of the Changtai Yangtze River Bridge, was unloaded and will float along the Yangtze River to a predetermined location and be sunk. The Changtai Yangtze River Bridge with a main span of 1,176 meters is the world ’s first kilometer-scale cable-stayed cable-stayed bridge. Its two main tower piers (No. 5 and No. 6) have large caisson foundations and their plane dimensions are equivalent to 13 The size of a basketball court, with a height of 72 meters, is currently the largest immersed well in the world.

Changtai Yangtze River Bridge is the world's first bridge that integrates the "Trinity" of high-speed rail, ordinary highways and expressways. The estimated total investment is about 15.8 billion yuan, and the total length of the route is 10.09 kilometers. Among them, the public-railway joint construction section is about 5.3 kilometers. Construction started on November 22, 2019, and the construction period is about 5 and a half years. The main channel of the bridge has a main span of 1176 meters and will become the world's largest cable-stayed bridge. Its supporting Luanzhou Jiajiang Bridge and Tianxingzhou Jiajiang Bridge both have a main span of 388 meters, which will become the world's largest span steel arch bridge. Tang Dehong

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