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"Great, Zhengwan High-Speed Railway!"
发布时间:2018-03-21

Zhengwan High-Speed Railway is an important part of Zhengyu (Zhengzhou-Chongqing) high-speed railway, and is also an important section of the national railway network vertical framework—the Beijing-Kunming high-speed railway. The total length of the line is 818 kilometers. China Railway Eighteenth Group has contracted a total length of 35.633 kilometers for Zhengwan High-speed Railway Hubei Section, and has a total length of 29.415 kilometers for 11 tunnels. The fourth and fifth grade weak surrounding rocks account for 88.3% of the total length of the tunnel. “This is not building high-speed rails, but constructing metros.” Experts described the situation of the Zhengzhou High-speed Railway with many bridges and tunnels and difficulties in construction.

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