What arch bridges are there?

Li Quan Bridge in Yishui, Shandong Province and Li Quan Bridge in Yishui, Shandong Province are located on the road from the west circle of Daicun, Li Xiang, Yishui County, Shandong Province, and cross the Weihe River, a tributary of the Weihe River. Built in 1970, single-hole 60-meter stone arch bridge, 87 meters long, with stone abutment. The bridge deck roadway is 7 meters wide and the sidewalks on both sides are 0.75 meters. Load standard: automobile 13 tons, tractor 60 tons. This bridge is the largest stone arch bridge on Shandong Highway so far, which has made great contributions to the production, labor and economic development of local people for forty years. This bridge is just a microcosm of the achievements of stone arch bridge construction in Mao Zedong era. At that time, the construction was mainly based on the local materials of the working people, supplemented by grain OEM and monetary wages, and the cost was only 1000 yuan.

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Hongdu Bridge in Du 'an County, Guangxi,/kloc-0 was completed in September, 1966. It is an open-web stone arch bridge, with a length of 253 meters and a width of 9.5 meters, with 3 holes, a middle span of 100 meters and a side span of 37 meters.

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Baili Bridge, Taihu County, Anhui Province, is located in Baili Township, Taihu County, Anhui Province, and spans the Baili River. The single-hole hollow stone arch bridge built by riprap was built in 1968, with a length of 120m, a width of 8m and a span of 85m.

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Dangyang Bridge in Inner Mongolia, located in Wulanchabu League, Inner Mongolia, is a semicircular stone arch bridge, built at 1972. The bridge is built on the reservoir sluice, with the upper layer as the bridge and the lower layer as the sluice. *** 1 1 hole.

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The Dabing Bridge in Sanya City, Hainan Province is located in Sanya City, Hainan Province, about 3 kilometers away from the "Tianya Haijiao" on the southern coast of China. Built in 1974, with a span of 30m, a double-hole hollow stone arch bridge.

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Tanerhe Bridge in Jinzhai County, Anhui Province is located in Lianghe Township, Jinzhai County, Anhui Province, and spans the Tanerhe River. It is a hollow stone arch bridge. Established in 197 1 year. Length160m, width 7m, with ***4 holes and span 30m. (Tuojiang Bridge is this shape, but the pier is higher. )

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These bridges are just a few stone arch bridges built in the 1960s and 1970s. All these bridges still play an important social and economic role in today's reform and opening up, but compared with other construction achievements in Mao Zedong era, these bridges are just a drop in the ocean. From the bridge point of view, the stone arch bridge of railway and highway with the largest span in the world is still maintained by China.

On July 1970 and 1, the Tianchi Arch Bridge in Laochanggou, chengdu-kunming railway, which was completed and opened to traffic, kept a record, namely the largest railway stone arch bridge in the world. This railway stone arch bridge, which was completed in only 99 days, indicates that the level of bridge construction in China is getting higher and higher, and the speed of bridge construction is getting faster and faster.

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19911in late October, Zhao Zhouqiao, located in Zhao County, Hebei Province, China, was recently studied by American civil engineers.

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