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Underground Mining: Challenges And Solutions In Subsidence Perspective (d1803fca-596b-4cc5-8f04-4e52c00599a3)
By S. K. Singh
To meet increasing demand of coal, underground mining is largely being replaced by the exploitation at deeper horizons and with greater complexities. The exploitation-proposition may be below not-to-b
Jan 1, 1999
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Determination Of Bedrock Features By Seismic Refraction Profiling
By J. Wyn Prior
The seismic refraction technique is probably the most popular geophysical method of bedrock profiling in geotechnical site investigations but is somewhat restricted by the inherent assumptions in the
Jan 1, 1976
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Construction Problems In Cold Weather
By G. M. Ellis
This paper deals with some aspects of concrete construction in remote locations and/or cold climates. The writer's experience covers 25 years in construction in western and Central Canada. I will
Jan 1, 1971
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Managing Environmental Liability During Mine Closure And Post-Closure Utilization Or Property Transfer
By D. M. Anderson
The current mine closure process is faced? with the formidable challenge of controlling environmental and legal liabilities that are associated with mine closure. The current level of environmental st
Jan 1, 1995
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Water Management in Mining Operations and Potential Tools and Strategies to Address Those Challenges
By F. Mielli
Over the last three years there has been an increase in mining congress and conferences focusing on water management. Water in mining is a key concern for mine managers and operations, and we are now
Feb 23, 2014
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San Manuel Oxide Pit Blasting
By S. F. Walsh
The San Manuel Oxide Pit is located within the subsidence boundaries of Magma Copper Company's block caving operation. Ground conditions offer a constant blasting challenge and vary from hard, co
Jan 1, 1988
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Deployable fiberoptic systems for harsh mining environments
In subterranean mining operations, access to communication networks deep underground is critical for transporting data, voice and video, and other supporting applications that are essential for effici
Mar 1, 2014
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An Explanation Of Flocculation Using Lewis Acid-Base Theory
By P. M. Brown
The Bureau of Mines, U. S. Department of the Interior, has developed a method of dewatering clay slurries based on flocculation by high-molecular-weight polymers and water removal from the formed floc
Jan 1, 1988
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The Design And Implementation Of The Field Test Plots At BHP Iron Ore, Mt. Whaleback-A Cover System For An Arid Climate
By M. Kane, O&apos
BHP Iron Ore initiated research programs in January of 1995 to develop long term plans for decommissioning of the waste rock material at their Mt. Whaleback operation. More than 2 billion tonnes of wa
Jan 1, 1998
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Limits to Underground Mining at Depth - (in the context of global demand for minerals)
By J. L. Furtney, C. Fairhurst
"Although global mineral resources are considered to be adequate to meet the needs of a rapidly growing world population, the United States is becoming increasingly dependent on imports. This could ha
Jan 1, 2018
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The Measurement And Control Of Blast Damage: Measurement And Audit
By Yves C. Lizotte
Although blasting remains the most inexpensive method of fragmentation in hardrock mining, the significance of the costs of blast-induced rockmass damage in terms of mining efficiency and safety is be
Jan 1, 1996
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How Simulation and Animation Model of an Aggregate Mine Assists Engineers in the Operation of Haulage Systems
By E. Tarshizi
Research was conducted to develop a simulation and animation model for an aggregate (sand and gravel) mine operation. This model can assist the mine engineers to investigate and consider the various o
Feb 23, 2014
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Factors Related To Expanded Underground Mining Of Limestone In Illinois
By James T. Baxter
Underground mining of limestone is becoming increasingly attractive in Illinois. Most quarries are near rivers on the western and southern borders where competition for land use is intensive. Increasi
Jan 1, 1978
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Surface Chemistry Considerations in the Flotation of Rare-Earth and Other Semisoluble Salt Minerals
Semisoluble salt minerals are characterized by their ionic bonding and are distinguished from soluble salt minerals by their limited solubility in water. One group of semisoluble salt minerals being c
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ARMCO Autometrics Particle Size Measurement And Control
By Albin E. Anderson
The PSM System has been available to the mining industry for nine years. During this time, many of the more than 160 Systems sold have been put to practical use and have provided the owners a handsome
Jan 1, 1979
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Prediction of ground vibration induced due to single-hole blast using explicit dynamics
By R. K. Sinha, B. S. Choudhary, Desh Deepak, A. K. Mishra, Hemant Agrawal, Shankar Kumar
Despite several methods (empirical, statistical and machine-learning tools) to calculate blast-induced ground vibration, it is not easy to predict and simulate blast vibration precisely under varying
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The Hibbing Taconite Company Story ? Introduction
By B. W. Stunkard
Hibbing Taconite Company is located by the cities of Hibbing and chisholm near the center of the Mesabi Range, approximately 169 km (105 miles) from the Canadian Border. The plant site is equidistant
Jan 1, 1979
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Metallurgy, Process Control and Mineralogy Integration at the Kittila Mine, Finland
By R. Thorpe, M. Dosbaba, A. Kopriva, A. Niiranen, J. Ruokanen
"Automated Mineralogy (AM) is an important diagnostic tool in flotation plants as it adds ore and particle mineralogical properties to traditional mass and chemical data. AM is used in project develop
Jan 1, 2017
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A Holistic Assessment Of Slope Stability Analysis In Mining Applications - Introduction - Preprint 09-046
By K. Sample
Slope stability analysis plays an integral role in the design of various mining applications including waste dumps, heap leach piles, solution ponds, and tailings dams. Generally, limit equilibrium an
Jan 1, 2009
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Metrorail's Dual Chamber Rock Tunnel Station--Two Can Be Simpler Than One
By Charles W. Daugherty
INTRODUCTION The Washington Metropolitan Area Transit Authority's (WMATA's) rapid transit system, Metro, ultimately will comprise 162.5 km (101 miles) of line divided among 10 routes. As
Jan 1, 1981