Comment on "A Great Moment of Tunnelling from way back: 1 December 1990 EUROTUNNEL Breakthrough!"
The Eurotunnel diggers motto was: FOLLOW THE CHALK Comment on "The first RECTANGULAR Tunnel Boring Machine (TBM)!"
Although the area cut is rectangular, the cutting is still done circularly though. OK that is not surprising. But I don't get it. The small cutting heads do not cover the whole surface. Or is it me missing something?Comment on "The first RECTANGULAR Tunnel Boring Machine (TBM)!"
The Chinese are coming and they are coming the big way. Herrenknecht dominance is only temporary. Chinese companes now also produce te...two, there will be no Herrenknecht left. Maybe I should say, "no German Her...Comment on "The first RECTANGULAR Tunnel Boring Machine (TBM)!"
I don't know if CREG is good. But they sell more and more in South America...
cover tunnel photo by: Matt Brown from London, England / CC BY
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