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Tunnel boring machines. Trends in design and construction of mechanized tunnelling

โœ Scribed by R. Zurkirchen


Publisher
Springer
Year
1997
Tongue
English
Weight
53 KB
Volume
30
Category
Article
ISSN
0035-7448

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Tunnel Boring Machine performance in bas
โœ A. Boniface ๐Ÿ“‚ Article ๐Ÿ“… 2000 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 507 KB

The paper reviews the pre-tender estimates and actual performances of three Tunnel Boring Machines (TBMs) used to excavate the 45-kin-long Transfer Tunnel for Phase 1A of the Lesotho Highlands Water Project. The pre-tender estimates were to a large extent based on the results of investigations into