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Urban Tunnelling Experiences on the UK’s Channel Tunnel Rail Link
By Keith Bowers, Frank Mimnagh, Eddie Woods
The CTRL London Tunnels The Channel Tunnel Rail Link (CTRL) London Tunnels comprise 36km of internal diameter bores that were driven by Earth Pressure Balance (EPB) Tunnel Boring Machines (TBMs).
Jan 1, 2005
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Subsidence Impacts On Infrastructure And Drainage: Reestablishing A Stable Channel Using Geomorphic Design Principles
By G. Krogman, C. Walla, B. Wood
The Gebo Mining District (District) is located in the Bighorn Basin of Wyoming. Commercial underground coal mining began in 1906 with the arrival of the railroad in Thermopolis, which is located appro
Jan 1, 2006
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Discussion - Mineral resource objectives of the Continental Scientific Drilling Committee’s dedicated drill holes and add-on science to solve mineral deposit problems
By C. Meyer, J. J. Eidel
C. W. Hunt I wish to register strong disagreement with the choices of drilling sites chosen by the Continental Scientific Drilling Committee, while endorsing the stated objectives. Of special signifi
Jan 6, 1987
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Liner System Protects Oils Sands’ Tailings Area
Syncrude Canada produces a large part of Canada’s crude oil supply. The company processes about 225,000 bbl/day. The oil produced is used for jet and automobile fuel, home heating oil, plastics and
Jan 1, 2000
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Large diameter tunneling in Seattle is a sign of things to come
By Christopher Bambridge
The Washington State Department of Transportation (WSDOT) is constructing a new tunneled route under Seattle to replace the existing State Route 99, Alaskan Way Viaduct (AWV), which follows the histor
Sep 1, 2013
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Potential Development of the Underground Science City in Rock Caverns at Kent Ridge in Singapore
By K. W. Lee, C. Pound, J. Carmody, L. Petersen, C. Nelson, J. G. Cai
The feasibility of developing the Underground Science City below the Kent Ridge Park has been investigated. The primary aim of the study has been to explore the possibility of creating underground spa
Jan 1, 2001
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Optimization of Surface Mining Dig Limits with a Practical Heuristic Algorithm Mining, Metallurgy and Exploration (e8f12701-6e05-4369-9a27-d2734d7cf05f)
By Y. V. Vasylchuk
This paper presents an algorithm for optimizing the classification of surface mine material subject to excavating constraints. High-resolution expected profit models are input and optimized to classif
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Optimization of Surface Mining Dig Limits with a Practical Heuristic Algorithm Mining, Metallurgy and Exploration
By Y. V. Vasylchuk
This paper presents an algorithm for optimizing the classification of surface mine material subject to excavating constraints. High-resolution expected profit models are input and optimized to classif
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Specifications For Initial Support In Rock Tunnels
By William F. Daly, William H. Hansmire
Installation of initial tunnel support is often the most uncertain element of work in the design of, and a contractor bidding on, construction of a rock tunnel. The risks the construction contractor a
Jan 1, 1985
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Controlled Blasting At The CANMET Experimental Mine
Controlled-blasting experiments in small development drifts were conducted at CANMET's Experimental Mine in 1992 and 1993. The objective of these experiments was to develop suitable controlled-bl
Jan 1, 1997
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Strong dollar and imports steal momentum from US mining recovery
By J. D. Morgan
Demand for nonfuel minerals depends on the overall state of the economy, which steadily improved each quarter in 1984. New housing starts rose to 1.8 million units. Automakers turned out about 15% mor
Jan 5, 1985
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Evaluation of a Virtual Reality Simulator Developed for Training New Miners to Install Rock Bolts Using a Jackleg Drill
By D. Nutakor
The ability of computers to create synthetic representations of the real world in virtual reality offers a number of opportunities to enhance training methods used in the mining industry. Unfortunatel
Jan 1, 2008
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Designing, Scheduling And Managing Waste Rock Facilities - A Case Study On The Waste Rock Facilities At The Phoenix Mine, Nevada.
By V. Galla
Waste rock facilities (WRF) generally have a large footprint depending on the strip ratio the mine plan provides. Considerable planning is involved during the initial phase of the mine plan regarding
Jan 1, 2011
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Freeport-McMoRan Finds New Way To Put Waste Oil To Use
Equipment-washing facilities at Freeport-McMo-Ran?s Sierrita Mine in Arizona produce a mixture of oil and water that was difficult to dispose of easily or cheaply. However, after some changes in the f
Jan 1, 2009
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Nuclear Power ? SME Statement
Nuclear power currently produces about 20% of the electricity in the US, with 104 nuclear power plants located in 31 states. The commercial US nuclear industry contributes over $4 billion annually to
Jan 1, 2011
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The Treatment Of Refractory Gold Ores Containing Carbonaceous Material And Sulfides
By W. J. Guay
Carbonaceous gold ores containing gold dispersed in sulfides are refractory to cyanidation because: (1 ) the carbonaceous materials adsorb gold during cyanidation; (2) a portion of the gold s so finel
Jan 1, 1981
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Bioleaching And Electrobioleaching Of Sulfide Minerals
By E. H. Cho, B. Conner
Three sulfide minerals, chalcopyrite, sphalerite, and pyrite, were leached using a bioleaching mode and an electrobioleaching mode. The former mode was used to leach the minerals with the bacterium A
Jan 1, 2006
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Heap Leach Gold Production Modeling
By M. Irish, M. Jahraus
Accurate prediction of gold (or other metal) production from a heap leach operation is essential to the economic vitality of any such operation. However, this is also one of the most challenging issu
Jan 1, 2001
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Influence of Trailing Cables on Magnetic Proximity Detection Systems Mining, Metallurgy and Exploration
By Jacob Carr, Chenming Zhou, Nicholas Damiano, James Noll, Jingcheng Li
Machine-related injuries are one of the major safety concerns in underground coal mines. Severe injuries and fatalities occur when a miner is struck, crushed, or pinned by mining equipment such as a c
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Drilling And Lining Of The Ocean Shafts - Seabrook Power Project
By B. J. Dave, Ashok J. Desai, Allen J. Hulshizer
This paper presents various design and construction considerations involved in developing an underwater installation of lined, large diameter shafts not known to have been previously accomplished for
Jan 1, 1976