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Abstract: TBM cutter life and wear evaluation in soft ground are important issues, especially in pressurized face tunneling with soft ground TBMs for which the planning of costly interventions becomes crucial. This paper presents the evolution and latest developments of different methodologies and tests in cutter life evaluation in soil with a major focus on identification of the main influential...
Abstract: In this paper, the potential risk of undesirable events that may occur during tunnelling work with a Shield TBM method is discussed along with the general risk analysis that can systematically assess overall risk levels. Potential risks and typical scenarios pertaining to shield TBM tunnels have been investigated based on previous case histories and correspondence with experts. The relevant...