Brief introduction of Nanjing Yangtze River Bridge

1, Nanjing Yangtze River Bridge is located between Xiaguan in Gulou District and Qiaobei in Pukou District, Nanjing. It is the first double-deck railway and highway bridge on the Yangtze River designed and built by China himself. It is of great significance in the history of bridges in China and the world. It is also an important achievement of China's economic construction and an important milestone of China's bridge construction. It is of great economic, political and strategic significance and is known as the "competition bridge". It is not only a symbol of new China's scientific and technological achievements and modernization, but also bears the special feelings and memories of several generations in China.

2. Nanjing Yangtze River Bridge is an important traffic node in eastern China. The upper floor is a highway bridge with a length of 4589 meters and a lane width of 15 meters, which can accommodate four carts at the same time. There are sidewalks with a width of more than 2 meters on both sides, connecting 104 national highway, 3 12 national highway and other river-crossing highways, which is one of the main roads connecting the northern new district of Nanjing with the main urban area in the south of the Yangtze River. The lower floor is a double-track railway bridge with a width of 14m and a total length of 6772m, connecting the Jin-Pu railway and the Shanghai-Nanjing railway trunk line, which is the hub and lifeline of the national north-south traffic. This bridge consists of a main bridge and an approach bridge. The main bridge has 9 piers with a span of 10, a length of1576m and a maximum span of160m. The navigable clearance width is 120m, and the navigable clearance height under the bridge is 24m above the designed maximum navigable water level, which can pass 5000t seagoing ships.

3. The Yangtze River Bridge is a landmark building in Nanjing, a cultural symbol of Jiangsu, and the glory of China. It is also a famous scenic spot, which is listed as the 48 scenic spots of New Jinling. From 1970 to 1993, it has received more than 100 heads of state and government and more than 600 foreign delegations, and it is even more difficult to count the domestic and foreign tourists who come here. The bridge has been built for 8 years, costing 287.58 million RMB, using 384,654.38+0,000 cubic meters of concrete and 66,500 tons of steel. 1960 was listed in the Guinness Book of World Records as "the world's longest highway-railway bridge", was selected as an immovable cultural relic in July 20 14, and was selected as the first batch of China's 20th century architectural heritage list in September 20 16.