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Stability of Pillars and Tabular Excavations under Shear Loading Conditions ? Implications for Mine Planning and Design
By Fidelis T. Suorineni
Rockbursts are a major hazard in deep hard rock underground mining and tunneling. To date a significant number of rockbursts still defy conventional explanations. A review of rockburst case histories
May 1, 2011
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Explosives choice at East Kemptville Mine
By J. M. Houston
"In October 1982, Rio Algom Limited, purchased a tin prospect near East Kemptville, Nova Scotia, from Shell Canada Resources. This purchase led to the development of the first substantial tin mine in
Jan 1, 1987
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An Improved Technique for Predicting Vibration Levels from Tunnel Blasting
By W. J. Birch, M. Kirke
Despite increasing competition from mechanical methods of tunnelling, the drill and blast method is often still the most viable method of excavating tunnels in strong and abrasive rock. To advance a t
Jan 1, 2005
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Response to Load for Four Different Types of Bored Piles
By Mario Terceros H., Bengt H. Fellenius
"ABSTRACTFour strain-gage instrumented bored piles were constructed in a sedimentary, dense to very dense, fine to medium sand in Santa Cruz, Bolivia. Two of the test piles were the normally used bore
Jan 1, 2014
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Crystal Falls Dam Demolition and Protection Techniques Using an Air Curtain
By Alex Chapman, Cam Thomas, Bryan Karney
"During the early summer of 1989, Ontario Hydro removed a concrete portion of the North Channel Dam at Crystal Falls Generating Station by blasting and excavating in marine conditions. Because of the
Jan 1, 1992
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Innovative Mineral Processing Technologies – A First Decade of R&D at COREM
By Donald Leroux, Jean-François Wilhelmy, Ahmed Bouajila
"A young private R & D organization, COREM celebrated its 10th anniversary in 2009. Managed by a consortium of nine mining and metallurgical companies, COREM has the mandate of increasing the competit
Jan 1, 2010
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The Sealing , Re-Opening, and Recovery of Aberdare North Colliery, N.S.W., Following the Occurrence of a Spontaneous Heating
By Sneddon N
In November, 1975, Aberdare North colliery was sealed at the surface to extinguish an open fire underground.The fire had developed from a spontaneous heating in one of the open goaf areas of the mine.
Jan 1, 1978
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New and Improved ISO-Seismic 3D Analysis System for Mapping Ground Vibration Patters Around a Blast
By D T. Froedge
At the 1990 Symposium of the Society of Explosives Engineering, D.T. Froedge, President of GeoSonics Inc., presented a paper entitled "Differential Topographic Vibration Isomapping", which detailed th
Jan 1, 1992
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Seismic Hazard In Western Australian Mines
A Seismic Hazard Scale (SHS) has been developed to provide a practical seismic hazard assessment tool applicable to mine site personnel. It has been applied to seismic data sets from numerous Western
Jan 1, 2004
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Tubex-Grout-Injected-Piles For The Parenco Paper Mill In Renkum (The Netherlands) - The Application Of Tubex-Groutinjection-Piles For The Parenco Paper Mill PM-1 In Renkum (The Netherlands)
By Sikko Doornbos
For the extension of the Paper Mill of Parenco in Renkum, the Netherlands, the application of a pile foundation was required. The demands for this pile foundation were very explicit a vibration free a
Jan 1, 1987
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Determination Of Horizontal Stress Direction By Underground Mine Mapping (2f4eaf66-10ce-4f4d-9f7a-64c6c21e6400)
By S. E. Phillipson
Underground mine mapping is a critical component of understanding the controls on ground instability. Many relatively localized examples of ground failure are associated with geologic features, such
Jan 1, 2009
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Floodplain Aggregate Mining in Western Oregon
By E. F. Schnitzer
During 1996 and 1997, Oregon experienced flooding on a scale not seen in many years. Some gravel pits located near rivers experienced erosion. In several cases, breaches occurred between the gravel p
Jan 1, 1999
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The Uses of Electricity in Mining with Special Reference to the Electrical Operations at Mount Morgan
That electricity is an important and valuable agent, the limit of whose capacity for utilisation is as yet unknown, is a truism; although enormous advances have been made, the possible developments ar
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Improvement of sinter productivity by control of magnetite ore segregation in sintering bed
By H Matsuno, N Oyama, T Yamamoto, K Nakajima, Y Iwami, N Saito
Recently, the quality of sinter feed ore used in sintering process has deteriorated. In particular, Fe has decreased and gangue component has increased in the sinter feed ore. Increase of gangue is no
Jul 24, 2017
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An Efficient Method of Stirring Melt With a Modulated Traveling Magnetic Field
By Xiaodong Wang
A liquid metal flow generated by a magnetic field whose traveling direction is periodically reversed, the Reversed Traveling Magnetic Field (R-TMF) is studied. The modulation frequency ranges from 0 t
Jan 1, 2009
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Bibliography Of Petroleum And Allied Substances 1922 And 1923 - Introduction
By H. Britton
This bulletin is the seventh in the series of petroleum bibliographies published by the Bureau of Mines, Bulletins 149, 165, 180, 189, 216, and 220 being compilations for the years 1915, 1916, 1917, 1
Jan 1, 1929
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IC 9307 Preval: Prefeasibility Software Program For Evaluating Mineral Properties
By R. Craig Smith
This report presents the software documentation for PREY AL, a prefeasibility mineral property evaluation program developed by the U.S. Bureau of Mines on a Lotus 1-2-3 spreadsheet. It is presented in
Jan 1, 1992
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Coal Ash Disposal at Rotowaro Minesite: A Reference Condition Approach to Setting Boron Criteria and Assessing Environmental Effects
By S Speed, N Corlis, A Goldstone, G N. Browne, M Fitzpatrick
In 2005, Solid Energy New Zealand Limited obtained non-notified consent for the disposal of 1Mt of coal ash at the Rotowaro minesite, forming part of a coal supply agreement with the Huntly Power Stat
Jan 1, 2006
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Post-Mining Land Use Opportunities in Developing Countries?A Review
By D. Limpitlaw
The origins of mine closure practice have influenced the way in which it is implemented by companies and regulators. Mine closure practices essentially started developing in the 1970s in countries wit
Jan 1, 2014
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Rougher Flotation Improvements at P.T. Freeport Indonesia’s Grasberg Operation
By Harry Siewert
"The commissioning of the 4th concentrator (C4) at Freeport Indonesia in early 1998 increased total mill throughput from 130k to 230k tonnes per day. The C4 flowsheet consists of a single 38 ft diamet
Jan 1, 2001