129725210281019344_30The morning of January 31, as the last of several large steel pin-type, Nanjing fourth bridge steel box girder deck implementation of closure of the Yangtze River.
Opening of the bridge is expected to be at the end of this year. Nanjing four flat streamlined steel box girders of the bridge sections, 144 manufacturing segment, in which standard beam section 15.6 m, weighs approximately 248 tons, while the heaviest segment weighs approximately 282 tonnes. 20On November 3, 11, Nanjing Yangtze River Bridge four successful steel box girder of hoisting the first paragraph, until January 10, 2012, 144 full erection of steel box girder of the bridge is completed, 1 month earlier than expected, really.
Next, the construction units will go into welding, steel deck paving of steel box girder of the work, is expected to realize the entire bridge through the end of April, implementation was opened to the end. Nanjing Changjiang fourBridges with a total investment of 6.86 billion yuan, total length of nearly 29 km, of which about 5.5 km long bridge across the River, main span 1418.3-meter hanging suspension bridge across the programme, full bi-directional standard design of six-lane expressway, bridge across the River in the design speed of 100 km/h, wiring design speed of 120 km/h on both sides. Nanjing second Yangtze River and opened to traffic, Bridge does notWith, four twin towers of the bridge is the largest domestic cross-border of the Yangtze River three-span suspension bridges, and looks like United States San Francisco's Golden Gate Bridge, but the main span with 1418 meters, longer than the Golden Gate Bridge over more than 130 metres, ranks third in the world of bridge type of its kind. The bridge is a national "five vertical and seven horizontal" National Highway mainline hub of Shanghai-Chongqing Expressway Project, located in the upper reaches of Nanjing second Yangtze River Bridge about10 km.
After the opening of the completion will further enhance the capacity of national transport master channel, perfect Jiangsu provincial trunk highway network layout, speeding up construction of Nanjing metropolis circle. ()
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