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The Fourth Nanjing River Bridge



2014-03-20
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Name: The Fourth Nanjing Bridge over the Yangtze River
Type: Three-suspended-span suspension bridge with continuous steel box girder
Main span: 1418m
Location: Nanjing, Jiangsu Province
Completion: 2012
Designer(s): CCCC Highway Consultants Co., Ltd.
Contractor(s): CCCC Second Highway Engineering Co., Ltd.
CCCC Second Harbor Engineering Co., Ltd.
China Railway Major Bridge Engineering Group Co., Ltd.
 
The Fourth Nanjing Bridge over the Yangtze River, having a total length of 5.448km and a deck of six traffic lanes in dual direction, is located in Nanjing, Jiangsu Province.
 
The main bridge is a three-suspended-span suspension bridge with a central span of 1418m. 
 
The main features of the bridge are: (1) The application of a new device restrains the cable movement in the vertical direction at the transition piers; (2) A new distributed cable anchor system is adopted to avoid the stress concentration of all components in the anchorage system; (3) A new"∞"type diaphragm wall is adopted for the foundation of the south anchorage to reduce its construction cost.















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