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Weak Floor Stability During Perimeter Mining In The Illinois Basin Coal Mines (40fab914-2257-4efe-b587-9358b9303f41)
By Murali M. Gadde
Perimeter mining is a special form of very productive partial extraction method practiced at some mines in the United States. In the Illinois Basin mines where all major coal seams have weak underclay
Jan 1, 2009
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The "DSEI" Joint: A Destructible Diaphragm Wall Joint (Patented Process)
By Christian Besson
This article describes the implementation of a new jointing process for use between diaphragm wall panels. This process was initially introduced on the SOCATOP work site in uburban Paris (which involv
Jan 1, 2002
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Hydraulic Mining
By James L. Evers
The development of hydraulic mining in the United States has had an uneven record of progress. The shifting of coal extraction from one government agency to another has not provided an environment for
Jan 1, 1983
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How To Move Inland Coal By Water -Including A Nine Mile Single Flight Conveyor
By Robert W. Greene
Next month, American Commercial Barge Line Company will begin moving coal from mines on the old Camp Breckinridge property in Western Kentucky to TVA's new 2600 MW steam plant at Cumberland City,
Jan 1, 1971
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Rockpasses: A Guide To Excavation Methodology
By U. Sachse
This paper explores a systematic approach for mining decision-makers to use when faced with choosing which method to use for a specific rockpass length. The different excavation methods available in t
Jan 1, 2005
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The Use Of Steel Fibre Reinforced Shotcrete For The Support Of Mine Openings
By M. Vandewalle
What separates the support of mining openings from the support of similar civil engineering structures is the fact that mine openings have to survive large deformations as a result of changing stress
Jan 1, 1998
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Pogo Mine Control System: A Hybrid of DCS and PLC
The Pogo Mine, near Delta Junction, Alaska is a new 2500 STPD gold operation. The control system of the mine and milling operations are a hybrid of DCS (Distributed Control System) control and PLC (Pr
Jan 1, 2008
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Studies On The Bioleaching Of Refractory Concentrates
By A. W. Breed
The bioleaching of arsenopyrite, the oxidation of arsenate and the precipitation of ferric arsenate are competing reactions, hence their rates depend on the relative concentrations of the respective s
Jan 1, 2000
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Dynamic Support Rationale and Systems
By U. Singh, E. T. Brown, J. Coxon
The rapid fracturing and deformation that occurs around excavations during rock bursts demand that support and reinforcement systems have both deformability and damping capabilities. The energy deman
Jan 1, 2003
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Mathematical modelling of the Sherritt-Gordon ammoniacal pressure leaching process
By P. A. Bahri, D. G. Dixon, T. M. Woodward
A comprehensive mathematical model of the Sherritt-Gordon ammoniacal pressure leaching process at K winana Nickel Refinery has been constructed. The process is comprised of six autoclaves functioning
Jan 1, 2005
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Experimental Investigation Into The Stress And Strain Development Around A Displacement Pile
By Jelke Dijkstra
This paper presents the results of model pile load tests in a photoelastic material. The soil in this test is represented by an assembly of photoelastically sensitive glass particles, which allows for
Jan 1, 2006
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Water Recycling and Frugal Water Use
Water rights and availability are extremely contentious issues in many mining regions around the world, in some instances leading to violent confrontation. This situation has the potential to only get
Sep 13, 2010
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How Effective Is The Non-Destructive Examination Of Multi-Layer, Low Rotation Winding Ropes?
The paper reviews the results emanating from an experiment conducted in Bochum?Germany in which various international rope inspection authorities were requested to assess the conditions of a corroded
Jan 1, 2000
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Developing Operation, Maintenance and Surveillance Manuals for Tailings and Water Management Facilities
By Ian Bruce
Tailings and water management facilities are essential and integral components of mine and mill operations. They must be managed for the long term in order to ensure that safe and environmentally resp
May 1, 2002
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IC 7198 Marketing Natural Minerals Pigments ? General Definition And Uses
By Charles L. Harnes
A mineral pigment is a colored substance dug from the ground, which after treatment can be mixed with a drying oil to form a paint. Not all colored earths, however, can be made into satisfactory pigme
Jan 1, 1942
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The Effect of Particle Production History on Gold Leaching
By Jessica Egan, Daniel Hodouin, Claude Bazin
"The recovery of gold by leaching is influenced by the size of the gold carrier particles and the chemical environment. Using the relationships between the leaching rate, infinite recovery and particl
Jan 1, 2009
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Application at Ok Tedi Mining of a Neural Network Model within the Expert System for SAG Mill Control
By Murray Wood, Michael Schaffer, Makat Katom
"An expert system applied to the control of mineral process unit operations is, by its nature, the site best operating practice, having been designed by the local experts in conjunction with consultin
Jan 1, 2003
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A Review of Current Mexican Design Approaches for Cast-in-Place Drilled Shafts in Granular Soils under Axial Loading
By Enrique Ibarra, Manuel J. Mendoza
"Abstract: This paper describes the current state-of-practice for the design of cast-in-place drilled shafts in granular soils under axial loading, addressing recent advances that take into account th
Jan 1, 2014
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Theoretical And Experimental Study Of Compaction Process In Roll Press
By R. T. Dec
A review is undertaken of existing mathematical models of compaction process in roll press. The example of plane-strain, plane-stress model is presented together with comparisons between computed and
Jan 1, 2000
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