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First Tunnel Excavation Completed at Chinese SOE's First Large-Diameter-Shield Project in Europe

Updated: 2021-07-30

On July 12, the first tunnel of China Railway Construction Corporation Limited (CRCC)'s metro shield project in Moscow, Russia, was dug through.

It is the first large-diameter shield tunnel in Europe to be engineered by a Chinese enterprise.

A 10.88-meter diameter tunnel boring machine independently developed by the CRCC was adopted during construction. It has the largest diameter of all the China-developed machines that have been exported to Europe and was specially made for operation in extremely-cold conditions.

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Chinese and Russian workers responsible for the Moscow metro shield project pose for a photo to celebrate completion of the project's first tunnel excavation on July 12. [Photo/sasac.gov.cn]

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Chinese and Russian engineers inspect engineering progress at the construction site. [Photo/sasac.gov.cn]



(Executive editor: Niu Yilin)

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