Search Documents
Search Again
Search Again
Refine Search
Refine Search
-
In situ Stress Measurement Using Acoustic Emission from Cored Rock
By G Baird, M Seto
Reliable evaluation of in situ stress is an important phase in the analysis and design of underground excavations, particularly for evaluating the stability of underground structures to prevent failur
Jan 1, 2002
-
Studies of PEM fuel cells and hydrogen storage materials
We report the studies of Proton-Exchange Membrane Fuel Cells (PEM FC) and hydrogen storage materials at McMaster University for the last 14 years. From the initial investigation of ionic conduction me
Jan 1, 2005
-
A Study-BHP Robinson And BHP Tintaya
By II Browne
After a decade of high copper prices, major mining companies are renewing their interest in purchasing operating properties and/or development of ore bodies. An existing operation carries with it a hi
Jan 1, 1997
-
The Use Of Rim- To Detect Geologic Anomalies In The Clarion Seam
By M. Craig Miller
As the trend continues in the U. S. toward inceased capital investment in longwall mining equipment and wider panels. the risk also increases for gotential financial and production loses due to undete
Jan 1, 1990
-
IC 8458 Proceedings Of The Symposium On Respirable Coal Mine Dust, Washington, D.C., November 3-4, 1969
MR. RIGG: Gentlemen, I would like to welcome you all to the symposium this morning. My name is Jack Rigg, and I m a special assistant to Hollis Dole, Assistant Secretary of the Interior for Minera
Jan 1, 1970
-
Comparison Of Empirical, Analytical, And Numerical Methods Of Pillar Design And The Development Of A Site Specific Pillar Formula
By Vincent A. Scovazzo
Many accepted and useful methods have been developed and used for pillar design. Each method has its own particular strengths and weaknesses. Three methods addressed in this paper are; empirical, anal
Jan 1, 1995
-
Strain-Based Vibration Criteria for Blasting in New York City
By Catherine T. Aimone-Martin, Meyers Joseph A.
A new strain-based criteria is being adopted for rock blasting in New York City (NYC). This criteria is based on several years of research involving vibration measurements of tall structures during bl
Jan 1, 2019
-
OFR-22(2)-77 Inherently Safe Mining Systems (Conventional) - Phase III - Volume II - Appendixes
By D. O. Hamiltion
The ISMS program provided for the development and demonstration of equipment modifications in both conventional and continuous coal mining systems. This report describes activities during the demonstr
Jan 1, 1976
-
Developments and New Applications for Biogenic Sulphide Reagent in Hydrometallurgy and Mineral Processing
By R. W. Lawrence
"In the past year, BioteQ Environmental Technologies Inc. have initiated design and construction of new plants to add to an existing list of plants that utilize the BioSulphide® and ChemSulphide™ proc
Jan 1, 2007
-
An Economic and Environmental Case for Re-processing Gold Tailings in South Africa
By James A. Brown, Marius Botha, Christopher A. Fleming
"The technical and economic feasibility or re-processing hundreds of millions of tons of tailings in a number of historic gold tailings dams in the Witwatersrand area of South Africa is being investig
Jan 1, 2010
-
Empirical Design of Span Openings in Weak Rock based upon Support Type Employed
By A. M. Ouchi
Existing empirical design tools have been developed from fair-to-good quality rock masses (RMR76 >50). This paper presents a focus of ground control research presently being conducted by the Roc
Jan 1, 2008
-
OFR-115-82 Electromagnetic Location Systems For Metal/Non Metal Mines
By A. J. Farstad
Characteristics of metal/non metal mines were evaluated to determine the suitability of applying the U.S. Bureau of Mines electromagnetic location system to the problem of locating trapped mines in me
Jan 1, 1979
-
Optimization of coal mine parameters to provide safe operation
By A. M. Bryukhanov, A. G. Mnukhin
The report states accident rates for gassy/dusty coal mines represented as an ergatic system "man – machine - environment" with further analysis by the method of conditional probabilities. A coal
Jan 1, 2003
-
OFR-24-73 Dust Suppression In Coal Mines
Contract No. H0110929 was awarded by the U.S. Bureau of Mines in February, 1971, to DeTer Company, Incorporated, of Mountain Lakes, N. J. The contract provided for the modification of the contractor&a
Jan 1, 1972
-
Frother Analysis: Procedure and Plant Experiences
By James A. Finch, Stéphanie Gélinas
"A colorimetric technique, originally developed for methyl iso butyl carbinol (MIBC) based on the Komarowsky reaction, has been extended to a wide range of common mineral flotation frothers. The proce
Jan 1, 2007
-
International Workshop On Micropiles ? September 26-28,1997 - Title ? Table Of Contents - First International Workshop On Micropiles September 26-28,1997
This Workshop was held at the Doubletree Inn, Seattle, Washington from September 26 to 28, 1997. Run under the auspices of the Deep Foundations Institute (DFI), it was co-funded by the newly formed Ja
Jan 1, 1997
-
Technical Note-A Mineral Grain Finder for Polsihed Ore Samples
A mineral grain finder is described which is easily constructed to fit onto the stage of a standard reflected light ore microscope.The device is most useful in relocating particular grains or mineral
Jan 1, 1988
-
International Commission On Large Dams (ICOLD)
By Yves Gratton
The International Commission on Large Dams (ICOLD) is a non-governmental International Organization which provides a forum for the exchange of knowledge and experience in dam engineering. It is the wo
May 1, 2002
-
BOM Publications index - January 1960-December 1964 with subject and author index
By Rita D. Sylvester
"THE BUREAU OF MINES was established in the public interest to conduct inquiries and scientific and technologic investigations concerning mining and the preparation, treatment, and utilization of mine
Jan 1, 1964
-
Coal-Washing Investigations: Methods And Tests - Introduction
By H. F. Yancey
The investigations described in this bulletin are confined to a study of the washing characteristics of bituminous coals. The major part of the work was conducted by the Bureau of Mines in cooperation
Jan 1, 1929