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  Why we stopped building subways cheaply

  I am posting the link to this great article here, in the "Tunnel Technologies" group, as I believe it gives a beautiful summary of the technologies we use in tunnelling and why we use them. Regards. https://www.worksinprogress.news/p/why-we-stopped-building-subways-cheaply

  Tags: TBM tunneling, Cut and Cover Tunneling, NATM tunneling

  4 days ago