Tianjin Grand Bridge

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Tianjin Grand Bridge
Beijng-Tianjin ligne TGV viaduc IMG 4433.JPG
Coordinates 39°03′22″N117°03′18″E / 39.056084°N 117.054949°E / 39.056084; 117.054949 Coordinates: 39°03′22″N117°03′18″E / 39.056084°N 117.054949°E / 39.056084; 117.054949
Carries Beijing–Shanghai High-Speed Railway
Locale Hebei, Tianjin
Design viaduct
Total length113.7 km (70.6 mi)
Construction startabout 2006
Construction end2010
OpenedJune 30, 2011
Tianjin Grand Bridge

Tianjin Grand Bridge (Langfang–Qingxian viaduct) is a railway viaduct bridge that runs between Langfang and Qingxian, part of the Beijing–Shanghai High-Speed Railway. [1] It is one of the longest bridges in the world with a total length of about 113,700m, or 70.6 miles. It was completed in 2010 and opened in 2011. At the time Guinness World Records recorded it as the second longest bridge in the world. [2]

The design of the elevated track was chosen on the one hand to avoid numerous individual structures for crossing roads and railways, and on the other to shorten the construction period. In addition, the railway line requires less land area in this design: a railway embankment requires 28.4 hectares per routed kilometer, the bridge but only 10.9 ha, less than half the area. [3]

The bridge consists of 32 m long box girders weighing 860 tons each. These girders were created in two workplaces along the bridge, brought to the installation site on the bridge section already installed, and then placed on the piers by a special crane. [3]

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  1. "Tianjin Grand Bridge map". OpenStreetMap . Retrieved October 2, 2018.
  2. "Longest Bridge". Guinness World Records . Archived from the original on October 23, 2015. Retrieved July 26, 2020.
  3. 1 2 "京沪高铁天津特大桥明年铺轨 串联两大经济区" [The Beijing-Shanghai high-speed railway Tianjin Special Bridge will be laid next year]. 022china.com (in Chinese). July 30, 2009. Retrieved October 2, 2018.