Search Results: 'Herrenknecht'

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  Content Type Features
  Date 1999
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Bangkok MRTA: Chaloem Ratchamongkhon Line
10 November, 1999
Six EPB machines from Kawasaki and two from Herrenknecht are now boring running tunnels for the Chaloem Ratchamongkhon Line in Bangkok. While the tunnel drives are generally in favourable ground conditions - stiff clay and dense sand - the EPB mode is usually being maintained to limit ground settlements. Dr Doug Maconochie, Senior Manager, Sverdrup Civil Inc., and Sutchavee Suwansawat, doctoral candidate, Massachusetts Institute of Technology, report.

Zimmerberg Tunnel: Zurich- Thalwil section
15 October, 1999
Claus Becker, Wayss & Freytag, Tunnel Construction and Civil Engineering, gives a progress report on the first part of the Zimmerberg rail tunnel, which is being excavated by a convertible TBM to cope with difficult ground conditions.