The west approach bridge of Tongminghai Extra-large Bridge is divided into two parts, which are designed as 50m cast-in-place box girder and 25m small box girder, with a total length of 3.95km ... of which, the cast-in-place box girder section is 3.55km, with a single frame of 7 1 hole, and a joint of 4 holes, with a total of 36? Lian 142? Hole, using mobile template construction.
After the project is opened to traffic, it will directly open the sea passage to the southwest of the East Island.
The west approach bridge is a key step to realize the half-way connection of Dong Lei-expressway main line. Last July, the Party branch of Dong Lei Management Center, together with the contractor, set up the "Guaranteed Connection" party member Commando covering construction technology, production safety and logistics support. Commandos led all contractors to fight against the established work objectives, flip charts, reverse the construction period, and overcome one difficulty after another. During the construction of the west approach bridge, in order to further improve the construction efficiency, the management center organized experts in technology, safety and engineering construction to fully study and discuss the design, transformation and assembly of the movable formwork to the pouring of the cast-in-place beam, and formulated a feasible construction implementation plan. Before pouring, the management center organized experts to carefully inspect the movable formwork structure, box girder construction and safety measures. During pouring, designated persons shall check the stability of main girder, support, formwork, steel bar and embedded parts to ensure accuracy and safety, and form resultant force from all aspects to fully ensure the safety and efficiency of construction.
Expressway, Dong Lei is the expressway from East Island of Zhanjiang to Leizhou, starting from Anzhen, an East Sea Islander in Zhanjiang, and ending in shenyang-haikou expressway (from Zhanjiang to Xuwen), with a total length of about 36 kilometers. The construction of this project has opened up a new land-island traffic expressway for the land connection between East Island and Southwest China, and played a positive role in perfecting the layout of regional highway network, promoting the improvement of traffic conditions in western Guangdong, promoting the integration of refining and chemical industry in major industrial projects such as Sino-Kuwait joint venture and Zhanjiang iron and steel base, and accelerating the planning industry of East Island and the economic development along the route.
The project strives to be completed and opened to traffic in 2020. After the project is opened to traffic, it will directly open the sea passage to the southwest of the East Island. By then, the traffic between Dongdao and Leizhou and Fenyong High-tech Zone will not need to bypass Shugang Avenue, and the travel time will be shortened from 80 minutes to less than 30 minutes. These three areas will enter the "half-hour life circle".
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