Engineers Begin to Replace Worn-out Interchange Overpass in Beijing -

The refurbishment of Beijing’s Sanyuan Bridge, or Sanyuanqiao started at 11p.m. on November 13, 2015 and will be finished later today. The whole reconstruction process will be completed within 24 hours.

Over 1300 tons of new surfacing for the bridge have been transported to the construction site to replace the old surface.

Sanyuan Bridge is a major overpass on the northeastern stretch of the 3rd Ring Road of Beijing. The Airport Expressway, Jingshun Road (China National Highway 101) and the 3rd Ring Road are interlinked by the vital overpass.

The team of experts behind the operation is made up of nine people, who are in total control of monitoring the process.

“Traffic on the 3rd Ring Road of Beijing would have been affected for at least two months if we had appled conventional construction methods.” An official said.

The construction team are using an integrated replacement method on the Sanyuan Bridge project, allowing the old bridge surface to be removed quickly. This is the first time this construction method has been applied to such a significant transport node in China.

The main bridge consists of nine pieces of steel box girders and the new bridge floor is 55.4 meters long, 44.8 meters wide.

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