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6. Economic aspect
6.1 Tunnel boring machine purchase costs
As TBMs are designed specifically for each project, their purchase costs vary according to the options they include. Orders of magnitude are given in table 6 .
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Bibliography
- (1) - ANAGNOSTOU (K.) - Face stability in slurry and EPB shield tunnelling - (1996).
- (2) - THEWES (M.), HOLLMANN (F.) - Clogging and disintegration of fines in clayey soils - (2014).
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- Tunnel boring machines – Safety regulations - NF EN 16191 - –
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