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

    Arash zamani
    Arash zamani on Why are all tunnels not excavated via Tunnel Boring Machines? (): I totally agree, the most important factor is cost. And in low-length tunnels,...
    • Jorrit Reinders
      By Jorrit Reinders

      Absolutely right. TBM tunnelling is one of the techniques but it is not the only tunnelling technique. It is not one size fits all solution.

    • Robin McAuley
      By Robin McAuley

      Sorry I replied at the wrong place. I repeat here:

      You are right. Cost is not the only reason why you may want to go for non-TBM tunnelling. As you have pointed out there are some other important considerations in favour of conventional tunnelling.

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