New Editorial Content
• TBM procurement within contract award processes
• TBM procurement, risk, and technology
• TBM selection
From the Archive: TBM considerations
• Who should choose the TBM?
• Claimed as the most difficult TBM project ever
• Equipping TBMs for tough conditions
• India headrace TBM drives stalled again
• Tailor-made TBMs for very hard rock
• Learning from difficult rock TBM drives
Recent reporting
• Quantifying reliability in geological prediction
• Feedback: Beware repeat project optimism
• Switzerland: Gotthard parallel tube excavation
• In-service rail infrastructure rebuild