Herrenknecht AG
On the occasion of the World Tunnel Congress Herrenknecht is presenting state-of-the-art tunnelling technology with emphasis on the Latin American region. To cope with the changing ground conditions during the construction of the metro in Rio de Janeiro, Herrenknecht supplied a Multi-mode TBM, which can be converted from open mode to closed EPB mode.Six innovative Variable Density TBMs are being used for the construction of the new metro in Kuala Lumpur (Malaysia). The Variable Density TBM combines the advantages of the EPB principle with those of Mixshields. The machine can switch between...