Comments

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  Comment on "Comments"

  GTA - Tunnel Enlargement Gantry 8400A (drill & blast) https://www.youtube.com/watch?v=UKk9E_4s-Zw

  1592 days ago

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  Comment on "Discussion replies"

  I think there are still strong business and technical cases for keeping to use Drill & Blast technology. Please check out the TBM article link.

  1473 days ago

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  Comment on "Comments"

  Drill & Blast tunnelling is far more harmful to the workers' lungs compared to the TBM tunnelling.

  1469 days ago

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  Comment on "item:object:river_object"

  ...8400  from the German company GTA https://gta.eu/en/tunneling/tunnel-enlargement-gantry-tep-8400 It's got 2 models. 8400A for drill & blast and 8400B for rockbreaker.

  1592 days ago