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High Speed Communications In Harsh Environments
Extending an organization?s knowledge base throughout the entire enterprise can improve operations. Until recently, though, field operations were often left out of the information loop, as extending
Jan 1, 2009
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Water Jet Assisted Boring In South African Quartzites
By J. L. Page, A. C. Marlowe
The Research and Development Services of South Africa has begun underground trials with a Robbins 52RE blindhole borer using a cutterhead fitted with high pressure water jets to assist mechanical cutt
Jan 1, 1985
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Medium-Temperature Pressure Leaching Of Copper Concentrates - Part III: Commercial Demonstration At Bagdad, Arizona
By J. O. Marsden
Parts I and II in this series of papers presented the chemistry of medium-temperature pressure leaching of copper sulfide concentrates and reviewed the metallurgical development of a process to effect
Jan 1, 2007
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Second Avenue Subway—Tunneling Beneath Manhattan
By Geoffrey Fosbrook, Donald Phillips, Anil Parikh
The Second Avenue Subway is a $16.8 billion project planned by the Metropolitan Transportation Authority (MTA) in New York City. It will reduce overcrowding and delays on the Lexington Avenue Line, im
Jan 1, 2005
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Role Of Gas Pressure In Underground Coal Mine Bursts And Bump
Face and pillar bursts, bumps and bounces are violent failures that occur in underground coal mines in response to a complicated interplay of face and pillar geometry, seam depth, coal properties and
Feb 27, 2013
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Drainage Services Department West Kowloon Drainage Improvement, Stage 2, Phase 2, Kai Tak Transfer Scheme, Design and Build Contract
By David Hake, David Salisbury
The Drainage Services Department (DSD) of the Hong Kong SAR Government commissioned the design and construction of the West Kowloon Drainage Improvement, Stage 2, Phase 2, Kai Tak Transfer Scheme (KTT
Jan 1, 2005
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Outline Design And Construction Of The 10 Km (6.25 Mile) Croydon Cable (High Voltage) Tunnel Through Groundwater Source Protection Zones, United Kingdom
By Colin Rawlings, Simon Pepper, Maria Karakitsiou, John Mathews, Peter Townsend, Russell Bowler, David Keeble, Christopher Darton, Scott Sadler
National Grid needs to maintain a connection between two existing electricity sub-stations (Beddington & Rowdown) in the Croydon (south London) area, and allow the replacement of two 275 kV cable ci
Jan 1, 2007
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Cyprus Coppertone Gold Benefits From Computerized Ore Control Procedures
By Rodrigo Jerez
Advances in inexpensive computer automation led to the development and use of a computerized ore control system at the Cyprus Copperstone Gold Mine near Parker, AZ. These new ore control practices imp
Jan 1, 1991
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Minerals Industry Salary Survey
In its April 1991 issue, MINING ENGINEERING published a salary survey form asking for information relating to engineering and management jobs in the minerals industry. 1038 of these forms were filled
Jan 1, 1992
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Design, Construction And Start-Up Of The Ilo Smelter Modernization Project
By H. Walqui, C. Noriega
Southern Copper Corporation (SCC) is one of the world’s largest copper companies and is finishing the modernization of the Ilo copper smelter. A single ISASMELTTM furnace will start smelting 1,200,000
Jan 1, 2007
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Robot-Human Control Interactions In Mining Operations (0b1217a6-1d54-43fe-b0e6-c8bd395d732a)
By G. Danko, R. Tiwari, J. Knowles
Many excavation and loading tasks require equipment operators to simultaneously coordinate the motion of multiple machine links, in order to achieve complex tool trajectories. Efficiency, ore selecti
Jan 1, 2006
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The Flotation Chemistry Of Potassium Double Salts: Schoenite, Kainite, And Carnallite
By M. Hancer, J. D. Miller
It is known from soluble salt flotation practice that the K, Mg double salts of kainite (KClMgSO43H2O), and carnallite (KClMgCl26H2O) are difficult to float and must be converted to other salts such a
Jan 1, 2001
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The Migration And Ultimate Fate Of SO2 Discharged Into The Atmosphere
By J. Philip Bromberg
Any effectuation of a viable program of air pollution control will' require a basic understanding of the chemistry of atmospheric processes, the fate and migration of SO2, and the ultimate health
Jan 1, 1976
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Design And Development Of A Mobile Mining Machine
By G. L. Dollinger, J. P. Kindsvater, J. A. Gibson
DESIGN AND DEVELOPMENT OF A MOBILE MINING MACHINE INTRODUCTION Until recently, developing tunnels in hard rock has been accomplished either by the drill and blast method or by using large tunnel bo
Jan 1, 1985
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Separation of Fe and Mn from Manganiferous Iron Ores via Reductive Acid Leaching Followed by Magnetic Separation Mining, Metallurgy and Exploration (d04b1b84-2a8b-409f-b5c1-e20532b1d7ae)
By Soner Top
In this study, a process to separate manganese and iron from manganiferous iron ores by reductive acid leaching followed by magnetic separation was conceived and experimentally tested. In the leaching
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Separation of Fe and Mn from Manganiferous Iron Ores via Reductive Acid Leaching Followed by Magnetic Separation Mining, Metallurgy and Exploration
By Soner Top
In this study, a process to separate manganese and iron from manganiferous iron ores by reductive acid leaching followed by magnetic separation was conceived and experimentally tested. In the leaching
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Ambitious Endeavors in Mechanized Shaft Construction: A Case History of Two Mine Shaft Projects in Australia
By John Zeni
In Australia during the 1990s, Zeni Drilling took on several demanding shaft boring contracts. This paper describes the safety, operational, technical and environmental advantages derived through the
Jan 1, 2001
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Big News And Excellent Sessions Define 2009 Fox Conference
As the 2009 George Fox Conference neared its conclusion, Arthur Silber, project chief of the Mass Transit Tunnel (MTT) project was able to pull away from the constant buzzing of his Blackberry long en
Jan 1, 2009
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Building Better Haul Roads: Designing For Structural Strength
The structural design of a mine haul road involves the determination of cover thickness requirements above the in-situ or sub-grade material. The specification of these layerworks is a critical compo
Jan 1, 2011
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Developments in real time personal diesel particulate monitoring in mines
Diesel Particulate Matter (DPM) issues are very high profile currently in both Australian coal and metal mines and Australian states are generally moving to acknowledge and to broadly follow US 2008 f
Jan 1, 2009