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  Conventional Tunnelling versus Mechanized Tunnelling

    Why choose Mechanized Tunnelling over Mechanized Tunnelling? Or vice versa? When to use Tunnel Boring Machine tunnelling method? When to use Drill and...definitions. Conventional Tunnelling Refers to creation of unde...ommon example of Conventional Tunnelling is the 'Drill and Blast&#...

  451 days ago

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  Richard James Robbins

    Richard James Robbins (1933 - 2019) (B...Robbins", as he has been known to the tunnelling world was actually born into tunnelling. He was the son of James Robb...de leader and technology powerhouse in TBM tunnelling. He has been the president an...

  1776 days ago

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  How much does a Tunnel Boring Machine (TBM) cost?

  This is a general guide for how much a Tunnel Boring Machine (TBM) costs. TBM prices always change, but basics remai...BART Silicon Valley Phase II Project. For a 54 feet (~16,46 meter) diameter Herrenknec...

  154 days ago