Rio Tinto selects partners for deep mines scheme
24/2/10
Rio Tinto is expanding its Mine of the Future programme to develop new equipment and systems for deep underground mines, and has selected three partners to work on the scheme; Aker Wirth and Atlas Copco will "help develop two new tunnelling concepts", while Herrenknecht will help develop a new shaft boring machine.
Rio Tinto unveiled its Mine of the Future programme in January 2008 and initially focused on its Pilbara iron ore operations in Western Australia. The programme is designed, it says, "to create next generation technologies for mining operations that result in greater efficiency, lower production costs, improved health, safety and environmental performance, and more attractive working conditions".
Projects such as Resolution Copper in Arizona and Oyu Tolgoi in Mongolia will use an underground block cave mining method. This requires construction of significant underground infrastructure prior to ore production. In anticipation of this need, Rio Tinto Technology and Innovation has been engaged in a long-running development programme to improve significantly both the safety and speed of constructing underground infrastructure such as shafts and tunnels.
The two new tunnelling concepts from Atlas Copco and Aker Wirth will, it adds, enable fast and cost effective tunnel creation.
The shaft boring machinery being developed by Herrenknecht will combine rock excavation, rock transport and structural support - currently three separate processes - into a single system. All three concepts are a result of civil tunnelling industry technologies combined with input from Rio Tinto mining experts and contractor partners Redpath and Cementation.
John McGagh, Rio Tinto Head of Innovation, says that at the heart of its Mine of the Future programme is industry-leading work to pioneer new technologies: "The partnerships announced today will help us fundamentally change the world of underground mining by further improving safety and allowing more rapid construction of new underground mines. Our new partners will be very valuable in helping us to solve the challenges of developing block cave mines.”
