| 
| 
China: Underwater Yangtze River railway tunnel construction reaches milestone
15.4 Tunnel Boring Machine (largest in world for railway tunnel) excavated half 14 km underwater tunnel.
English: https://www.chinadaily.com.cn/a/202504/16/WS67ffa98ca3104d9fd381fc0d.html
cover tunnel photo by: Matt Brown from London, England / CC BY
.jpg){kind=link}
Copyright 2019-2024 TunnelContact.com
English: https://www.chinadaily.com.cn/a/202504/16/WS67ffa98ca3104d9fd381fc0d.html
Underwater Yangtze River railway tunnel construction reaches milestone
www.chinadaily.com.cnThe world's largest shield machine for railway construction, a tunneling device with a diameter of 15.4 meters, reached the middle point of the tunnel's underwater section on April 16, marking a milestone in the construction of the tunnel beneath...