湖北荆州长江大桥.doc

湖北荆州长江大桥
Jingzhou, Yangtze River Bridge
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Jingzhou Yangtze River bridge is located in the Jingjiang River in the m stranded in Jingzhou. Jingzhou Yangtze River bridge building, 207 State Road, across the board through the announcement, the communication of two provinces, the Central Plains region to form a north-south highway traffic artery, to promote the economic development in Jianghan Plain, promote the city construction of Jingzhou city and the Yangtze River flood control will play an important role. [2]
important parameters
Jingzhou Yangtze River Bridge North Branch of Navigable Bridge main span of 500 meters PC cable-stayed bridge, the span among similar bridges in the world second, Asia's first [3]; 38 in continuous girder bridge, the main span of 150 meters, a continuous length of 1100 meters, is the continuous girder bridge, the length of the longest continuous domestic, Asia's largest cable bridge.
Atlas of Jingzhou, Yangtze River bridge (5)
The exposed strata on the site of the bridge site are Quaternary soft accumulation sand and gravel layers. The underlying bedrock is mudstone and siltstone, and the buried depth of the bedrock is between 116 and 128m. Designed driving speed: 100 km/h. Design load: steam 2 over 20, hang 2120. The width of the deck: lane is 21. 5m, the total deck width is 24. 5m (27. 0m cable-stayed bridge), no non motor vehicle lanes and