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China: World's longest undersea high-speed railway tunnel to begin construction soon
77 Kilometer railway and 11 kilometer undersea tunnel.
China Railway Construction Heavy Industry (CRCHI) Tunnel Boring Machine Yongzhou excavation diameter 14.57 meter
http://www.ecns.cn/news/cns-wire/2024-02-27/detail-ihcychvt6115123.shtml
cover tunnel photo by: Matt Brown from London, England / CC BY
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http://www.ecns.cn/news/cns-wire/2024-02-27/detail-ihcychvt6115123.shtml
World's longest undersea high-speed railway tunnel to begin construction soon
www.ecns.cnWith a length of 135 meters and an excavation diameter of 14.57 meters, the massive tunnel boring machine named "Yongzhou", designed for the groundbreaking Jintang undersea tunnel project, rolled off the production line Monday in Changsha, central...