Often described as "steel dragons," tunnel boring machines, or TBMs, are colossal pieces of equipment essential for digging underground passages. Unlike machinery operating above ground, TBMs work in ...
Construction crews in western China have completed the boring of the 13.7 miles (22.1 kilometers) stretch of the world’s longest expressway tunnel. The boring of the Tianshan Shengli Tunnel was ...
Interesting Engineering on MSN
China turns buried $50m tunnel machine failure into landmark feat of precision engineering
Chinese engineers have managed to turn disaster into a masterful engineering feat by rescuing ...
Fast Lane Only on MSN
A look at the world’s longest road tunnels and where they rank
Across the world, road tunnels have quietly stretched longer, dived deeper, and grown more ambitious, reshaping how people ...
The Ryfylke Tunnel is the longest undersea road tunnel in the world at present and stretches some 8.98 miles between ...
In rendezvous beneath the Yangtze River, a multimillion-dollar tunnel boring machine meets its stalled twin with just 2mm of ...
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