Search Documents
Search Again
Search Again
Refine Search
Refine Search
- Relevance
- Most Recent
- Alphabetically
Sort by
- Relevance
- Most Recent
- Alphabetically
-
RI 8811 - Experimental Drift Linings in a Block-Caving Operation-A Field Demonstration
By W. C. McLaughlin
Under a cooperative agreement, the Bureau of Mines, Magma Copper Co., and ASARCO, Inc., tested backfilled ground support systems at t.wo elevations in Magma's San Manuel, AZ, mine. The tests were
Jan 1, 1983
-
How to Use the Engineering Societies Library
By Ralph H. Phelps
WHAT information do you have on precision investment casting? Please send me all available information on the removal of paraffin from oil wells and pipe lines. How can I find out how to remove magnes
Jan 1, 1948
-
Mechanical Characterization of a Chemically Stabilized Soft Soil Reinforced with Fibers When Subjected to Tensile Solicitations
By J. M. N. P. C. Teles, Venda Oliveira P. J., Correia A. A. S.
"AbstractA laboratory work was performed to study the mechanical behavior of a Portuguese soft soil chemically stabilized with binders and reinforced with metallic fibers when subjected to tensile str
Jan 1, 2014
-
Technology News – Atlas Copco Wagner Announces Improved 10-t LHD
Atlas Copco Wagner launched its ST1010 Scooptram load haul dumper. The ST1010 replaces the company’s Wagner ST-1000 Scooptram. The improvements to the Wagner ST1010 include increased reliability, ea
Jan 1, 2000
-
Analysis by chemical potential diagram of the oxidation of molten silver selenide
By G. G. Barbante
An understanding of the thermodynamics of smelting copper anode slimes is a prerequisite for improvements to the process. During slimes smelting, a silver-copper selenide matte is formed and subsequen
Jun 21, 1905
-
RI 9272 - Mechanical and Physical Properties of Particulate Composites in the System Titanium Nitride-Alumina-Aluminum Nitride
By K. J. Liles
The U.S. Bureau of Mines evaluated the physical properties of ceramic particulate composites made from titanium nitride (TiN), alumina (AI203), and aluminum nitride (AlN) as part of a program to meet
Jan 1, 1989
-
How the Mining Industry is Responding to Pressures for Change in the Management of Mine Waste
By Don Welch
Pressures for change ?Land use constraints ?Project financing ?Local communities ?Environmental issues ?Sustainability requirements ?Stricter regulatory procedures ?Technical excellence ?Reduc
May 1, 2010
-
Evaluation Of Elastic Deformation Energy In Stone Cutting Of Portuguese Marbles With A Diamond Saw ? Synopsis (1ffa6408-4007-4d02-91f4-3113bfc2ffa0)
By P. Falcão Neves
A detailed analysis of the geomechanical behaviour in rock cutting with a diamond saw is provided to obtain a better understanding of the mechanisms involved in the process. The energy of elastic defo
Jan 1, 2012
-
OFR-96-83 A Study Of Explosion-Proof Enclosures
By P. A. Cox
The purpose of the initial research performed under this contract was to determine the margins of safety in explosion-proof (XP) enclosures, which were designed and certified according to the current
Jan 1, 1982
-
Mineralogy of the Green Leader Gold Ore at Kalgoorlie, Western Australia
Concentrations of bright green material in the "Golden Mile" of Kalgoorlie, which carry particularly high gold values, are known locally as "green leader".This assemblage consists
Jan 1, 1977
-
Caisson Design And Construction, Upstream Guide Wall, Locks And Dam No. 26
By E. C. Demsky
This paper describes the large diameter caisson foundation for the upstream guidewall at the Lock and Dam No. 26 (Replacement) Project. The guidewall is supported on two rows of 1.8-m diameter concret
Jan 1, 1989
-
IC 9381 Pyrite Problems In The Coal Mining Industry
By Yael Miron
The presence of pyrite (FeS2) in coal can cause or contribute to several problems for the coal mining industry. These problems, which include spontaneous combustion, roof falls, floor heave, and accid
Jan 1, 1994
-
Transactions Volume 344 - 2018 - SME Transactions 2018
By Chee S. Theng
As the 2018 president of the Society for Mining, Metallurgy & Exploration Inc., I am pleased to present the 2018 issue of the Transactions of the Society for Mining, Metallurgy & Exploration Inc., Vol
Jan 1, 2018
-
International Trade In Minerals and Economic Development
By M. Sengupta
International trade in minerals plays a very important role in the economic growth of many nations. Several less developed countries a1•e heavily dependent on their mineral exports for earning foreign
Jan 1, 1976
-
RI 7370 Anode Materials For Alumina Reduction - Evaluation Of Lignite As A Carbon Source
By V. A. Cammarota
In this report, the effects of anode-production variables, such as aggregate coke sizes, pitch binder content, and baking cycle, were investigated. A small alumina reduction cell proved effective in e
Jan 1, 1970
-
Computational Fluid Dynamics Modeling Of Spontaneous Heating In Longwall Gob Areas (SME Annual Meeting Feb. 25-Feb. 28, 2007, Denver, CO )
By L. Yuan, A. Smith
In order to provide insights for the optimization of ventilation systems for U. S. underground coal mines facing both methane control and spontaneous combustion issues, a computational fluid dynamics
Jan 1, 2007
-
Design Principles for Optimizing an Established Survey Slope Monitoring System
By N. Mphathiwa
When slope angles are designed during open pit optimization, there is a risk factor applied in steepening the slopes. The steepening of slope angles has implications for the safety and economics of th
Jan 1, 2014
-
Improving Power Plant Performance And Reducing Emissions Through The Use Of Pneumatic Dry Cleaning For Low Rank Coal
By R. J. Snoby, J. K. Alderman
Although once fairly common as a method of coal preparation in the United States, dry cleaning has virtually disappeared. Low-rank coals used for power generation in the western U.S. are suited for dr
Jan 1, 2001
-
Port Of Miami Tunnel Tender Design And Update
By Wern-ping (Nick) Chen
The Florida Department of Transportation District 6 (FDOT D6) began a study in 1987 for a master plan to improve the traffic circulation and congestions between the Port of Miami (POM) and downtown Mi
Jan 1, 2009
-
RI 5899 Electric Smelting And Gaseous Refining Of Cement-Copper Precipitate ? Summary
By F. E. Brantley
Research was undertaken by the Bureau of Mines to assess the technical feasibility of smelting cement-copper precipitate in an electric furnace to produce commercial-grade copper. The blister-grade co
Jan 1, 1961