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  Richard James Robbins

    Richard James Robbins (1933 - 2019) (Born: 1933 - Died: 30 May 2019 - Seattle, USA) Dick Robbi...hose include such fundemental technologies as large diameter disc cutters and Double Shiel...

  1752 days ago

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  Conventional Tunnelling versus Mechanized Tunnelling

    Why choose Mechanized Tunnelling over Mechanized Tunnelling? Or vice versa? When to use Tunnel Boring Ma...head of a Tunnel Boring Machine to suit more to the conditions etc. But if a double shiel...

  426 days ago