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Shanxi Wanjiazhai Yellow River Diversion Project—Lots II & III
By Edgardo Fogli, Mario Lampiano, Antonio Nicola
The project is located in the northern region of the People’s Republic of China and was awarded to Impregilo, as sponsor of the Wan Long Joint Venture, in September1997. The project consists of fo
Jan 1, 2001
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Decline Excavation at the Montanore Project
By Jim Morris
This paper will describe the excavation of a 5.4 percent decline at the Montanore Project for Noranda Minerals Corporation. The 5.3 m by 4.9 m tunnel was driven to provide access for the exploration o
Jan 1, 1993
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Improvements Of The Determination Of Block Grades From Blast Hole Data In Porphyry Type Deposits
By Miche1 Dagbert
In most open pit operations mining porphyry type deposits, production planning rests on an are reserve inventory block file which is derived from diamond drill hole data. With such a practice, the way
Jan 1, 1978
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Mine Health and Safety at the Turn of the Millennium
By Raja V. Ramani
As the new millennium approaches, it is appropriate to assess the progress that has been made in mine health and safety, a matter of concern to management, labor and government. One can hardly look a
Jan 1, 1999
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The Modeling And Simulation Of Bucyrus Shovel, Part 1: Spacial Kinematics And Virtual Prototype Modeling - Preprint 09-122
In this study, a 3D model of the shovel motion based multi-body system dynamics in the Automatic Dynamic Analysis of Mechanical Systems (ADAMS) environment was developed. The kinematics model of the s
Jan 1, 2009
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Suspension Of Apatite Particles In A Self-Aerated Denver Laboratory Flotation Cell
By O. A. Lima
Effective solids suspension is a necessary precondition for particle collection, and solids suspension is largely dependent on the hydrodynamics of the flotation cell. This study attempted to correlat
Jan 1, 2009
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Subsidence Of Bedrock Above Abandoned Coal Mines In Illinois Produces Few Fractures (4c455df6-4632-4158-bd79-5bf2d636ff88)
By Robert A. Bauer
Investigations of bedrock within subsided areas over abandoned coal mines reveal) very little disturbance of the bedrock. In areas that have surface subsidence of .3 to 1 m (1.0 to 3.25 ft), examinati
Jan 1, 1984
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The role of coal and CCS in energy policy and sustainable development of Turkey: Is it compatible to the EU energy policy?
By N. Sahin, K. Baris, A. Ozarslan
This paper aims to assess the current and future role of coal in energy strategy of Turkey and evaluates the compatibility of the policies to the EU energy policy and strategy. The Turkish government
Jan 1, 2011
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Heap Leach solution management at Coeur-Rochester
By Peter A. Anderson
Innovative solution management is being used at Coeur-Rochester Inc. to increase bullion production and decrease overall costs. New operating programs call for reduced solution application rates to th
Jan 1, 1989
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Cathodoluminescence (Cl) Microscopy Application To Refractories And Slags
By R. E. Moore
Refractories are unique ceramic materials, which are used in large quantities in steel making furnaces, metal smelting vessels, and glass melting tanks. They are required to possess high thermal shock
Jan 1, 2001
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Development described for fluidized bed combustion at TVA’s 20-MW pilot plant
By James W. Bass
Introduction Atmospheric fluidized bed combustion (AFBC) is an improvement over coal-fired boiler design. It offers several advantages over conventional boilers. AFBC can meet sulfur and nitrogen oxi
Jan 4, 1986
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Sodium Sulfate – 5,000 Years of Mining and Processing Salt Cake
By Donald E. Garrett
Sodium sulfate is one of the larger tonnage industrial minerals. A little more than half of this tonnage — 3 Mt/a (3.3 million stpy) of natural product— is recovered from ore deposits. Most of the r
Jan 1, 2002
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Challenges Of Conveyors In Tunneling
By Marco Sonnenschein
As time is costly, engineering companies have developed methods, procedures and mechanical equipment to tunnel faster. But the best excavation method will not be able to cope with the time pressure if
Jan 1, 2012
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Current usage of continuous monitoring systems in coal mines discussed
By Kevin G. Stricklin
Introduction Continuous monitoring techniques have been used in the US and abroad for many years. A continuous miner has a monitor that measures methane and automatically gives a warning if the metha
Jan 9, 1987
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Pressure Oxidation Of Silver-Bearing Sulfide Flotation Concentrates
By G. Plenge, M. Diaz
Silver-bearing, bulk sulfide concentrates from several Peruvian mines were autoclaved in a l9-L (5gal) laboratory autoclave in Lima, Peru. Cyanidation of autoclaved concentrates, following a hot lime
Jan 1, 1994
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Decision Support System For Underground Construction - A Mining Case Study
By Robert M. Miller, Judy Milligan
A computerized "Decision Support System" was used to evaluate an "Underground Platform Approach to Oil Recovery". Over a billion calculations were required to model the mine layouts; learning curves f
Jan 1, 1987
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Real-time measurements of diesel EC and TC in a Nevada Gold Mine with photoacoustic and dusttrak instruments: Comparison with NIOSH 5040 filter results
By W. P. Arnott
This paper presents real time photoacoustic measurements of diesel-soot black-carbon (BC or EC) and Dusttrak nephelometer total carbon (TC) concentrations in a Nevada gold mine. Comparisons with time-
Jan 1, 2009
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The Lake Mead Intake 3 Water Tunnel and Pumping Station, Las Vegas, Nevada, USA
By Michael Feroz, Marcus Jensen, James E. Lindell
The Southern Nevada Water Authority (SNWA) operates two water-intakes in Lake Mead, located 20 miles east of Las Vegas, Nevada. Severe drought has caused decline in lake level by 85 feet since 2000 an
Jan 1, 2007
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Geologic study of gravels of the Agua Fria River, Phoenix, AZ
By William H. Langer
The annual consumption of sand and gravel aggregate in 2006 in the Phoenix, AZ metropolitan area was about 76 Mt (84 million st) (USGS, 2009), or about 18 t (20 st) per capita. Quaternary alluvial dep
Jan 2, 2010
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Battery Park Truck Sewer Emergency Tunnel Project
By Mark Rybak
On August, 31, 2006, Tropical Storm Ernesto hit the City of Richmond, Virginia. The Battery Park area was hit particularly hard, as flooding forced an evacuation of the area. A large sinkhole collapse
Jan 1, 2008