Animation on how Bertha works
Worlds Largest Tunneling Machine. Bertha is currently being blocked by an "object" in Seattle, WA.
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3. cameramaster commented 10 years ago
I'm wondering what the rate of advance is...how fast does the damn thing move!
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4. Judge-Jake commented 10 years ago
I'm wondering how big the slabs are? Are we talking Lego or paving?
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5. samxgx commented 10 years ago
#3 as i read online it goes about 1.8m per Day in the beginning. later on they should be able to go more than 10m per day
#4 other source says that the machine stops every 6,5 feet so they can put the concrete ring in so i'm guessing the stabs are about that same length.
#4 other source says that the machine stops every 6,5 feet so they can put the concrete ring in so i'm guessing the stabs are about that same length.
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6. kaleemyork commented 10 years ago
Today i know. . .
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7. dave9191 commented 10 years ago
#4 - we're talking large car - https://s3.amazonaws.com/gizmag-images/inline/bertha-67.JPG
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10. torbengb commented 10 years ago
Disappointed ... I thought it would describe the Bertha machine made by BBC!
Image: http://goo.gl/a6lfXL
Wikipedia: http://en.wikipedia.org/wiki/Bertha_(TV_series)
Image: http://goo.gl/a6lfXL
Wikipedia: http://en.wikipedia.org/wiki/Bertha_(TV_series)
+5 1. yourmum commented 10 years ago