The Shanghai-Chongqing-Chengdu High Speed Railway is a vital part of China's "eight vertical and eight horizontal" high-speed railway network. The completion of the Chongtai Yangtze River Tunnel ...

The shield machine autonomously excavated over 2.6km under the Yangtze River with "attended but unmanned" operation.

China's latest intelligent shield tunneling technology has been successfully applied in the Chongtai Yangtze River Tunnel, a key project for the Shanghai-Chongqing-Chengdu High-Speed Railway.

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