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28 Jan 2021             ALERT SIGNUP
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Learning from difficult rock TBM drive experiences

Be sure you have insurance built into the machine before heading into a long-distance drive is the advice from Lok Home, President of The Robbins Company

Delusional expectations for difficult drives

Feedback: Fancy geological computer models are no substitute for real site investigation data and lead to poor TBM designs

Planning permission granted for Sydney Harbour link

Construction of the Western Harbour immersed tube link under Sydney Harbour is approved by the New South Wales Government

Stonehenge progress despite legal challenge

Procurement of the Stonehenge twin-tube road tunnel in the UK continues despite the legal challenge to its planning approval

COMMENT FROM THE EDITOR’S DESK - 28 Jan 2021

Geotechnical reports are an important part of TBM project procurement, of machine specifications and of TBM project success. A growing reliance on more sophisticated geological modelling is no substitute for real site investigation and understanding. Finding the sweet spot between geological modelling and understanding actual ground conditions and behaviour is the challenge.

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Video: MSc route to career underground

Video: Difficult TBM project experiences
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