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Waterproofing: Key to SCL tunnel lining design
The global tunneling industry has many challenges, both technically and financially, with the latter likely to be a significant feature over the next few years. Many industries have ad-opted standard
Jan 1, 2010
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Sandvik Drills Offer High Productivity, Flexibility And Improved Safety
The Sandvik DE710 diamond core drill has become one of the most popular exploration drills available. It is operated on exploration and mining projects in locations around the world. The compact nat
Jan 1, 2009
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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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Transfer Function Model Of Phosphate Heap Leaching
By M. Weatherspoon, S. Gebo, K. Prisbrey
Our objective was to develop a transfer function model of phosphate heap leaching for design, optimization and control. The procedure included analysis of time-lapse photography of a laboratory heap.
Jan 1, 2001
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Interpretive Geotechnical Investigation For Onion Creek Wastewater Interceptor Tunnels - Austin, Texas
By Robert M. Valentine, Randall L. Lentell
Interpretive geotechnical investigations were performed for the construction of approximately 15,250 m (50,000 ft) of wastewater interceptor tunnels in Austin, Texas. Subsurface materials consist of c
Jan 1, 1985
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The positive pressure chamber
By J. P. Brady
A major spontaneous combustion incident occurred in the sealed goaf of the SL3 Panel; Southland Colliery in 2003 resulting in the loss of a longwall and sealing of the mine. The most important issue f
Jan 1, 2009
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Dust Control Considerations For Deep-Cut Faces When Using Exhaust Ventilation and a Flooded-Bed Scrubber - Preprint 97-48
By R. A. Jankowski
The U.S. Bureau of Mines (USBM) conducted a series of laboratory tests to investigate the effectiveness of using a flooded-bed scrubber with exhaust ventilation in deep-cut faces of up to 12.2 m in le
Feb 24, 1997
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Metallurgy Analytics: Transforming Plant Data into Actionable Insights
By Osvaldo Bascur, Barun Gorain, Jaco Steyn
"The last few decades have seen some remarkable advancement in information technology, but recently various digital technologies have resulted in several synergies to deliver innovation in diverse app
Jan 9, 2018
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Using Option Pricing to Predict Market Values of Publicly Traded Mining Companies
By Andrew K. Simpson
What will this deal do to the company’s stock price? This question arises when a publicly traded mining company is presented with a new mine project, or business combination. The standard tool fo
Jan 1, 2000
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Feasible Designs In The Class Of Homogenous, Countercurrent, Processing Networks
By T. P. Meloy
A methodology is presented for finding feasible or locally optimal designs in the class of homogeneous, countercurrent, processing networks performing two-component non-sharp separations. The advantag
Jan 1, 1994
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The Influence of Polysaccharides on Film Stability and Bubble Attachment at the Talc Surface Mining, Metallurgy and Exploration
By Lei Pan, Venkata Atluri, Xuming Wang, Yuesheng Gao, Jan D. Miller
The wetting characteristics and water film stability at the talc surface have been studied, particularly the effect of polysaccharides such as guar gum, starch, and dextrin. Talc is a gangue mineral i
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Pre-Failure Pillar Yielding
By J. F. T. Agapito, R. R. Goodrich
Yield pillars have been used for many years to help reduce stresses near mine openings and improve roof and floor stability. A yield pillar is often defined as a pillar that fails but retains residual
Jan 1, 2001
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Water transformation: Turning liabilities into assets (1a124506-933a-48c4-9975-0791fbeb4393)
By B. Waterman, D. Ramey, L. Schlink
"Water is a primary commodity for most industrial processes. It has become a global focus in light of climate change and population growth. Reuse of process water has two major benefits - minimize the
Jan 1, 2014
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Preliminary Rib Support Requirements for Solid Coal Ribs Using A Coal Pillar Rib Rating
Researchers from the National Institute for Occupational Safety and Health (NIOSH) are developing a coal pillar rib rating (CPRR) technique to measure the integrity of coal ribs. The CPRR characterize
Jan 7, 2020
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Optimization of Cable Bolting Strategies at a Canadian Underground Mine
By Efstratios Karampinos, John Hadjigeorgiou, Philippe Morissette
"Ground support is a critical element in maintaining the stability of mining drives in deep and high stress mines. In challenging ground conditions, it is necessary to continuously explore ground supp
Jan 4, 2018
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Real Time Integration Of Mining And Metallurgical Information For Efficient Use Of Energy And Water - Preprint 09-133
By O. A. Bascur
The lack of integration of mining and metallurgical information with sufficient detail for analysis causes inefficient operation and hence sub-optimal energy and water use. It is difficult to analyze
Jan 1, 2009
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Culture, a pillar in your sustainability initiatives
By M. Arias
"An attractive foreign investment legislation, an anti-mining framework in the jurisdiction where a head office is located, the geographical location of the mineral resources, a country that offers th
Jan 1, 2011
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Liebherr Celebrates 50th Anniversary, Introduces 300-ton Mining Truck
By William R. Yernberg
In October 1999, Liebherr-America, Liebherr Construction and Liebherr Mining Equipment held anopen house at its Newport News, VA, plant. The open house was held to celebrate the company’s50th anni
Jan 1, 2000
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The Tai Po to Butterfly Valley Aqueduct in Hong Kong
By Derek. C. Arnold
In order to meet increasing demands for water supply in the next millennium, the Government of the Hong Kong Special Administrative Region have identified the need for a major new water treatment and
Jan 1, 1999
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Evaluations Of 3m Fluorad™ Fc-gold On Gold Extraction From Production Heap Leaching At Daisy Gold Mine (Glamis Gold)
By Shawn Orser, Jennifer Waddell, Mike Sierakowski, Tom Barrett
Production evaluations were conducted at Daisy Gold Mine (Glamis Gold, formerly Rayrock), between August, 1997 and August, 1998 to quantify the effect of 3M fluorochemical surfactants (fluorosurfactan
Jan 1, 2000