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 Tunnels & Tunnelling International The leading monthly magazine for the tunnelling industry. Our website offers you the opportunity to view the latest issues online... http://www.tunnelsonline.... GEO: Tunnelling, a 57 kilometre journey through rock After its completion in 2015, the St. Gotthard Tunnel in Switzerland will be the longest tunnel in the world. This crazy project poses a challenge to the art of engineering read more... First-time curved drive in New Zealand hit the target with precision "Perfect performance" stated Mike Harker, director of the New Zealand mining company HARKER UNDERGROUND CONSTRUCTIONS. "For the first time, a microtunnelling project in New Zealand has been planned as a curved drive and middle of April driven into the target." read more... New milling cutters for tunnelling This year, a total of four new machines, the quick-snap-retaining ring for the fixing of round picks as well as a rotation module in three installation sizes for excavator of 15 - 50 t use weight will extend the product range of Erkan. Source: http://www.sbm-verlag.de/ bau Magazin, issue 05/06 downloads/Erkat.pdf Read more...... read more... EFNARC Publications Download Specifications and Guidelines for Sprayed concrete and special products for Mechanised Tunnelling (TBM) http://www.efnarc.org/pub... Start of the works for the Brightwater Central Tunnel near Seattle / WA VINCI Construction Grands Projets, leader of a consortium with two American companies – Parsons RCI Inc., a subsidiary of Parsons Corp. (20%), and Frontier-Kemper Constructors, Inc. (20%) – has signed a contract with King County in Washington state for the construction of two tunnels read more... |
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