Friday, September 17, 2010

China - Jiuxigou Bridge 九溪溝橋


Stamp Issue : 1978-11-01 

Situated in Jiuxigou in Fengdu County, Sichuan Province, Jiuxigou Bridge is a highway bridge. Straddling 116 meters on a single span and with a width of 7.5 meters, the bridge was completed in 1972 and was the world's largest single-arch stone bridge at the time. The main arch is variable-section catenary, with the vault 1.6 meters thick, bottom arch 2.25 meters thick amd arch vector degrees 1/8. The masonry construction was done ring by ring in the scaffolding.


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