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Evaluating Efficiency of Geo5 in the Analysis of Pile Foundation
By Elizabeth Varghese, Sanket Rawat, Prachuryya Kaushik, Ravi Kant Mittal
"Geo5 Software is gaining popularity worldwide due to its expediency in analysis and design of pile foundation. The analysis is based on various theoretical, empirical and semi-empirical methods avail
Jan 1, 2017
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The Response Of A High Order Stream To Shallow Cover Longwall Mining In The Northern Appalachian Coalfield
By John A. Owsiany
The effect of longwall mining on streams and shallow aquifers has been the subject of numerous research studies for more than twenty years. As a result of these studies, it has become common to consid
Jan 1, 2001
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Drilling – Equipment, Methods and Materials - Increased Bit Life Through Use of Extreme Pressure...
By C. van der Poel, R. L. Chuoke P. van Meurs
When an initially planar interface between two im-ttitcihle liquids is displaced at constant rate, U, nor-mat to the front, instability will occur for all rates greater than a critical rate. U, given
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Mine Evaluation and Investment Analysis
By Donald W. Gentry
This section deals with one of the most fascinating aspects of mining the evaluation of mine investment opportunities. Be-fore proceeding further, it is important to clarify the meaning of some fundam
Jan 1, 2008
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Recycling System of Waste Materials from Discarded Mobile Phone
By Kunihiko Takahashi, Gjergj Dodbiba, Hisayoshi Umeda, Toyohisa Fujita
"An increasing number of mobile phones is increasing the number of the discarded mobile phones. Many efforts are thus being made to collect and recycle these devices. This paper is a short introductio
Jan 1, 2008
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Flowsheet Development, Commissioning and Start-up of the Voisey’s Bay Mill (33ff6fb1-ab13-4641-96a6-597d0ce850b9)
By Manqiu Xu, Joe Holmes, Peter Wells, Peter Langlois, Germain Labonté, Jim Barrett
"The flowsheet for the Voisey’s Bay mill had to meet the challenge of processing an ore containing high pentlandite and chalcopyrite values in a largely pyrrhotite/troilite matrix. In the 1994-97 peri
Jan 1, 2007
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Notes on the History of Porcupine
By Louis Huntoon
HISTORY of the Porcupine area has been pub-lished in detail by the Ontario Bureau. of Mines in several issues of its annual reports. An. interesting volume could be written on: this topic; especially
Jan 8, 1923
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Technical Notes - Minerals Beneficiation - Quantitative Bubble Pick-Up Methods
By R. C. Troxell, S. C. Sun
EFFORTS to obtain definite quantitative data when employing the currently used bubble pick-up method1,2 as a pre-flotation investigation tool led to the adoption of the magnifying mirror method and th
Jan 1, 1954
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Coal - Mine Lighting: Review of Progress in Techniques and Research in Great Britain
By A. Roberts
This paper reviews progress in equipment design and in the techniques applied to mine lighting in Great Britain. The incidence of the disease miner's nystagmus, which was a major source of concer
Jan 1, 1961
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Drilling–Equipment, Methods and Materials - Wellbore Pressure Surges Produred by Pipe Movement
By J. A. Burkhardt
Field measurements and theoretical studies have been made of pressure surges—momentary variations in fluid pressure—produced by movement of pipe in mud-filled boreholes. Pressure measurements were rec
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An Effective Global Network for Minerals Education (ABSTRACT PAGE)
By Dominic Howarth, Diana Drinkwater, Don McKee
At a time when the mining and minerals industry across the world is undergoing unprecedented change, the very fabric of the tertiary education system which is the principal source of trained professio
Jan 1, 2003
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Numerical simulation of coal pillar loading with the aid of a strain-softening finite difference model
By A. T. Iannacchione
Numerical simulation of coal pi1lar loading has traditionally been a difficult task due to the unique and highly variable properties of coal and the inability of numerical procedures to duplicate thes
Jan 1, 1989
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Institute of Metals Division - Comparison of Dispersion Hardening in Four Silver-Base Alloys of Equivalent Composition (TN)
By J. Gurland
The effect of four different second-phase additions on the strength of composite alloys with a common matrix was investigated. The four compositions each consisted of 85 pct by volume of silver with
Jan 1, 1962
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IC 8373 Helium: Bibliography Of Technical And Scientific Literature - January 1, 1947, To January 1, 1962 - A Supplement To Bulletin 484 ? Introduction
Helium has probably aroused more varied scientific curiosity than any other single element. Discovered by spectroscopic examination of the sun during an eclipse in 1868, helium is now known to exist n
Jan 1, 1968
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FreedomCAR and Casting
By J. A. Jr. Carpenter
Expanding world economic prosperity, probable peaking of conventional petroleum production in the coming decades and environmental concerns require efforts to increase the efficiency of, and the devel
Jan 1, 2006
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Barrier Pillars In Lackawanna Basin, Northern Field - Anthracite Region Of Pennsylvania ? Summary
By S. H. Ash
THE BARRIER-PILLAR SYSTEM in the Lackawanna Basin consists of 93 barrier pillars between Archbald and Taylor, Pa. These pillars affect 48 mines, have a total length of 87 miles, and confine 21 undergr
Jan 1, 1952
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Part II – February 1969 - Papers - The Massive Transformation in Copper-Zinc Alloys
By John W. Cahn, David A. Karlyn, Morris Cohen
The massive B(bcc) — am (fcc) transformation in Cu-Zn alloys has been studied isothermally by pulse-heating the retained ß phase from room temperature to the reaction temperatures. The transformatio
Jan 1, 1970
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Presidential Address, 1970 Men for Minerals
This evening I would like to speak about men for the mineral industry.It is trite to say that the mining industry is expanding rapidly and that technically trained men are in short supply. How short i
Jan 1, 1970
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Part IX – September 1969 – Papers - Liquid Immiscibility in Binary Indium Alloys
By Cuppam Dasarathy
The incidence of liquid inzmiscibility in binar)) indium alloys has been theoretically analyzed on the basis of the Hildebrand-Alott equation. Bedictions of miscibility or otherwise Imve in general be
Jan 1, 1970
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Process Diagnosis using Quantitative Mineralogy
By Lori Kormos, Jhonny Carrión De la Cruz, Dominic Fragomeni, Elizabeth Whiteman, Jorge Oliveira
"Process diagnosis, flowsheet design and optimisation are most effectively and efficiently achieved through the use of metallurgical testwork combined with more modern quantitative mineralogical techn
Jan 1, 2010