The total length of Donghai Bridge is about 3 1km, and it is designed according to the two-way six-lane expressway standard. The bridge width is 365,438+0.5 m, and the designed driving speed is 80 km. In order to facilitate the navigation of ships, the navigation standard of the bridge is 5000 tons, and there is a 5000-ton main navigation hole with a clear navigation height of 40 meters, and there are also 1000-ton auxiliary navigation holes and two 500-ton auxiliary navigation holes. The main navigation span bridge is a cable-stayed bridge with twin towers and single cable plane combined with box girder. The East China Sea Bridge will be built in the first phase, starting from Luchaogang Town, Nanhui District, Shanghai, crossing the northern waters of Hangzhou Bay and reaching Xiaoyangshan Island in Shengsi, Zhejiang. It is a sea passage connecting the port area and Luchao Port, and is an indispensable supporting project for the port area, providing container land transportation and water supply and power supply communication services for the port area. China Railway Bridge Bureau Group has become one of the main construction units.

Among more than 30 sea-crossing bridges in the world, the 32.5-kilometer Donghai Bridge is the longest. The whole bridge has 87 12 piles, 822 piers,10.5 million tons of concrete, 500,000 tons of steel and 240,000 tons of steel structure. The construction is greatly influenced by the marine climate, and the working hours are seriously insufficient. During the construction period of three and a half years, the annual effective working days are less than 50%. The actual construction period is less than two years. ...