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Performance Enhancement of Semi-Autogenous Grinding Mills Through the Use of Instrumentation Based on Acoustic Signals
By David G. Almond
"Economies of scale and the variable characteristics of many large ore deposits have resulted in grinding installations having large SAG mills fitted with variable speed drives. Problems associated wi
Jan 1, 2005
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Start-Up and Early Optimization of the New Afton Concentrator
By C. O’Hara, S. Roy, K. Swedburg, J. Katchen
"New Gold Inc.’s New Afton concentrator commenced operation in June 2012, producing a copper-gold-silver concentrate. During the first two years of operation, various optimization efforts have improve
Jan 1, 2015
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Alteration at Kisladag gold mine, Turkey – a progressive study in geology, geotechnics and geometallurgy
By Y Öztas, S McKinley, T Baker
The Kisladag Mine, Turkey, is a large porphyry gold deposit which is mined by open pit methods. In operation for over ten years, Kisladag provides an excellent example of how attention to a geologic f
Sep 20, 2017
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Comparison for 6061 materials of extrusion analyses by FEM and by traditional methods
By H. J. McQueen
The modeling of the extrusion of 6061 alloy and its composites with 10 to 20 vol% Al203 or SiC by two techniques. The uniaxial finite element method FEM (DEFORM" ) provided force-stroke curves and tem
Jan 1, 2004
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The use of copper cast cooling members in the ironmaking process
By G. Thom, A. Kay, J. B. Hyde
"This paper will initially outline the specific types of copper castings used in blast furnace iron production. Tuyeres, tuyere coolers and stack cooling plates will be discussed in some depth, with p
Jan 1, 1982
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Process Modeling For Rotary Kiln Treating EAF Dust
By Pengfu Tan
Electric arc furnace (EAF) dust from the steel industries is listed by the United Sates EPA as a hazardous waste under the regulations of the Resource Conservation and Recovery Act due to the presence
Jan 1, 2005
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Mining Faculty in the United States: Current Status and Sustainability
By M. K. McCarter
The history of mining education, like the history of the mining industry, is typified by “boom and bust” cycles. In academia, the perpetual problem can be stated as “too many graduates for the jobs o
Jan 1, 2007
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Coal Mine Ventilation Returns to Centrifugal Fans
By Les Gutzwiller
Fan applications in the mining industry have changed during the last 70 years. In 1922, J.R. Robinson authored a technical volume entitled Practical Mine Ventilation. At that time, atmospheric contr
Jan 1, 1999
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Hismelt« - Direct Ironmaking Becomes a Reality
Following extensive trials on a 100 000 tpa Research and Development facility at Kwinana, Western Australia, Hismelt Corporation (wholly owned by Rio Tinto) are confident of the future commercial su
Jan 1, 1999
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RI 6145 Low-Temperature Phase Equilibria Of Helium-Bearing Natural Gases: Hansford Gas
By Lowell Stroud
This report is the third in a series presenting equilibrium vapor-liquid data for helium-bearing natural gases. The first two reports contained phase data for the gases processed for helium at the Bur
Jan 1, 1963
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Simulating the Mine-Mill Interface
By J. A. Meech, G. R. Baiden
"A dynamic simulation of a mine-mill complex has been conducted using networked microcomputers (IBM PC/AT and IBM PC/XT). These models allow simultaneous operation of an open pit using shovels and tru
Jan 1, 1987
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Hot Working Behavior of 17-4 PH Stainless Steel
By Hamed Mirzadeh
The hot working behavior of 17-4 PH stainless steel was studied using the hot compression test at temperatures of 950-1150 °C with strain rates of 0.001-10 s-1. A step by step procedure for data analy
Jan 1, 2010
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Zonal Relations of the Lodes of the Sumpter Quadrangle
By D. F. Hewett
CONTENTS PAGE Introduction 1 Geologic features of eastern Oregon 2 Geology of the Sumpter quadrangle 2 Rocks older than the ore deposits 3 Rocks younger than the ore deposits 8 Lodes of the S
Jan 1, 1931
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The Analysis And Computation Of Soil-Pile (Wall) Interaction For Deep Excavation Of High-Rise Building
By Lu Peiyan
A computation model of soil-pile (wall) interaction under lateral loading is presented in this paper. The model has been applied to some engineering projects, and the comparison between computation re
Jan 1, 1991
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Charpy Toughness Behavior of Continuous Sisal Fiber Reinforced Polyester Matrix Composites
By Wellington Pereira Inácio
This work investigated the toughness behavior of polyester matrix composites reinforced with up to 30% in volume of long, continuous and aligned sisal fibers by means of Charpy impact tests. It was fo
Jan 1, 2010
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Deep Mix-In-Place Soil/Cement Stabilisation Using Hollow Stem Augers For Excavation At Elland, West Yorkshire
By J. A. Elliot
Deep Mix-in-Place soil stabilisation is achieved by forming columns of soil/cement arranged to overlap by secant intersection. Alternate columns are constructed initially and infilled. The cementitiou
Jan 1, 1989
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North American Tunneling Conference Drives Value
The theme of the 2012 North American Tunneling conference (NAT) was ?Tunneling: Driving Value.? This theme best reflects where the tunneling and underground construction industry is to-day. Major ad
Jan 1, 2012
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History of the Getchell Gold Mine
By Robert C. Horton
The Getchell Mine is located on the east flank of the Osgood Mountain Range in the Potosi Mining District, Humboldt County, NV. Mining in the area first began in 1883 for copper, lead and silver in s
Jan 1, 1999
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Trail Mountain Mine: A Case Study For Improving Locations Of Mining-Induced Seismicity With Double-Difference Relocation (2de3a4ff-91be-4a02-947a-fc4fd7ffaac8)
By Eleanor Sonley
In October 2000, temporary seismographic stations were installed above the Trail Mountain Mine, Emery County, Utah, USA to supplement a regional network. Over seven months, 1826 mining-induced seismi
Jan 1, 2009
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Analysis of the Uncertainty by the Random Finite Elements Method of a Vertical Load Test of a Piled Raft Founded in Tropical Soil
By Cristhian C. Mendoza, Renato da Cunha, Bernardo Caicedo, Max Barbosa
"Abstract This paper shows that a raft alone is not sufficiently appropriate to address the uncertainty of underlying soil variability; therefore, a piled raft system is a better option for mitigating
Jan 1, 2014