Bye-Bye to Bertha, the world’s largest tunneling machine
wsdot This time-lapse video captures the difficult and challenging work …
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Tunnels
Large Underground Excavated Caverns
Rocscience Inc. The stability of large excavated caverns for underground …
Vertical Shaft Sinking Machine
Compact shaft sinking technology for all ground conditions. Herrenknecht
The world’s first Variable Density Tunnel Boring Machine
MRTMalaysia Two types of TBMs are being used to excavate …
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View from a drone inside a tunnel executed by Bertha
wsdot View from a drone inside the SR 99 tunnel, …
View from a drone inside a tunnel executed by Bertha Read More »
How a Tunnel-Boring Machine Drills Underground
“Video courtesy of CDM/HMM Joint Venture – For engineering enthusiasts …
Meet Crossrail’s giant tunnelling machines
Crossrail Project “Crossrail will use eight tunnel boring machines (TBMs) …
