RescueRanger
PDF THINK TANK: CONSULTANT
- Joined
- Sep 20, 2008
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It's neither from China nor India
View attachment 929546
Herrenknecht - Wikipedia
en.wikipedia.org
Herrenknecht AG is a German company that manufactures tunnel boring machines, headquartered in Allmannsweier, Schwanau, Baden-Württemberg. It is the worldwide market leader for heavy tunnel boring machines.
Oh and as usual this was an American invention..not Chinese.
Hard-Rock Tunnel Boring Machines
The “invention” of a machine capable of excavating large-diameter tunnels in hard rock was one of the greatest achievements in the history of tunneling.tunnelingonline.com
In 1952, James S. Robbins developed the first modern tunnel boring machine for the Oahe Dam Project in South Dakota. (Image from The Robbins Company.)
This company is the leader in TBM's, we provided security to their German Engineers working with the Chinese on camp at Neelum–Jhelum Hydropower Plant. 129million Euros of rock crushing beast: