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Comments on reply on Why are all tunnels not excavated via Tunnel Boring Machines?

    Jørn Madsen
    Jørn Madsen on Why are all tunnels not excavated via Tunnel Boring Machines? (): I think there are less and less excuses nowadays not to use TBMs. They are...
    • Keith Keloe
      By Keith Keloe

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

    • Jorrit Reinders
      By Jorrit Reinders

      Hi, Why do you think TBM tunnelling is safer for workers?

      • Jørn Madsen
        By Jørn Madsen

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