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  • SME
    Concrete Cloth hydration study - SME Transactions 2014

    By D. Wenstrup, K. Perry, J. Hatfield, P. Sainato, B. Lusk

    Concrete-infused cloth is used in several civil and mining surface applications whose circumstances are similar to some of those in underground mining. A feature of this material is that it cannot be

    Jan 1, 2014

  • NIOSH
    Reference Center

    "IntroductionThe combined library facilities of the five universities in the Generic Technology Center for Respirable Dust, The Pennsylvania State University, West Virginia University, University of M

    Aug 31, 1989

  • SME
    Computer-Generated Main Fan Performance Curves For Various Operating Conditions

    By Jerry L. Fuller

    Fan performance graphs are generated by digital computer using two programs, RUN- FANS and FANPLOT. RUNFANS calculates fan performance data from stored specific-volume, specific-speed data for a given

    Jan 1, 1984

  • IIMP
    Centromín Perú pone en marcha la mina subterránea más grande del Perú

    By Jorge Díaz Artieda

    El presente trabajo señala los factores que determinaron la expansión de la mina subterránea más grande del país a través de la compañía CENTROMIN, a fin de operar a un máximo nivel de producción en d

    Nov 8, 1982

  • NIOSH
    Bulletin 179 Abstracts of Current Decisions on Mines and Mining

    By J. W. Thompson

    ESTATE IN MINERALS. Minerals beneath the surface may be made the subject of separate ownership either by a grant of the minerals by the owner of the land or by a grant of the land excepting the miner

    Jan 1, 1919

  • CIM
    An Investigation on the Effect of the Ore Particle Size on the Efficiency of Sarcheshmeh Copper Mine Crushing Unit

    By Mohsen Amir-Rahmat

    The ore of Sarcheshmeh copper deposit that has been located in the south ?east of Iran, contains four type of rock that they have their specific hardness and strength according to their alteration typ

    May 1, 2003

  • NIOSH
    RI 5093 Some Aspects Of The Electrodeposition Of Titanium And Zirconium Coatings ? Summary

    By R. M. Creamer

    Attempts have been made to electroplate titanium and zirconium from aqueous, nonaqueous, and fused-salt electrolytes. Metals were produced only in fused-salt electrolytes, the major product being spon

    Jan 1, 1954

  • DFI
    Full-Scale Field Investigations & Numerical Analyses of Innovative Seismic Composite Fiber Reinforced Polymer and Reinforced Grouted Helical Screw Instrumented Piles Under Axial & Lateral Monotonic & Cyclic Loadings

    By M. Hesham El Naggar, Yasser Abdelghany

    "ABSTRACT: The axial and lateral monotonic and cyclic behavior of helical pile foundations was investigated and new innovative helical screw systems suitable for seismic loadings were developed and pa

    Jan 1, 2014

  • CIM
    Improving Fine Lead and Silver Flotation Recovery at BHP-Billiton’s Cannington Mine

    By Glenn Clarke, Ben Holloway, Barry Lumsden

    "BHP-Billiton’s Cannington mine in Northwest Queensland produces a silver-rich lead concentrate and a zinc concentrate. The plant has the capacity to treat 3.1 mta and for the year to June 2006 mean f

    Jan 1, 2008

  • NIOSH
    RI 7015 Three-Component Borehole Deformation Gage For Determining The Stress In Rock

    By Robert H. Merrill

    This Bureau of Mines report summarizes the design and tests of a gage that will simultaneously measure the deformation of a borehole along three diameters 60 degrees apart; the measurements are in a s

    Jan 1, 1967

  • NIOSH
    RI 3264 Smelting In The Lead Blast Furnace Handling Zinciferous Charges. XV.-Slags From The Trail Blast Furnaces

    By G. L. Oldright

    The past reputation of zinc as an ingredient in lead blast furnace slags has been bad. Zinc is thought of as a cause of accretions in the shaft of the blast furnace, of hot tops, of the formation of "

    Jan 1, 1934

  • AUSIMM
    Dewatering the Bowmans Trial Pit

    By Waterhouse J. D, Harris B. M

    This paper briefly describes the construction in 1979/80 of a 70m deep trial open pit coal mine near Bowmans S.A. and describes more fully the hydrogeological aspects of the exercise. The primary p

    Jan 1, 1981

  • NIOSH
    RI 4658 A Preliminary Survey Of Zirconium Alloys

    By C. T. Anderson

    In July 1947, the U. S. Bureau of Mines, in cooperation with the Air Materiel Command, started an investigation of zirconium alloys with the object of determining the suitability of such alloys for hi

    Jan 1, 1950

  • IIMP
    Usos y aplicación del nitrato de amonio mezclado con aceite combustible como explosivo en el subsuelo en la mina Cerro de Pasco

    By J. W. Germundson

    La Cerro de Pasco Corporation fue una de las primeras compañías mineras que utilizó el explosivo a base del nitrato de amonio en las operaciones de explotación de subsuelo. En este sentido, el objetiv

    Aug 20, 1963

  • SAIMM
    A Review Of Sub-Saharan Heavy Mineral Sand Deposits: Implications For New Projects In Southern Africa

    By R. M. Tyler

    The importance of the heavy mineral sands to southern African economic well-being cannot be over emphasized. The value of the worldwide titanium dioxide industry is estimated at $7 billion. Six out of

    Jan 1, 2004

  • NIOSH
    IC 7802 Physical Properties Of Low-Boiling Phenols - A Literature Survey ? Introduction And Summary

    By Clarence Karr

    In 1955 the Federal Bureau of Mines established a low-temperature tar laboratory at its new Appalachian Experiment Station in Morgantown, W. Va. The objective of the laboratory is to investigate the y

    Jan 1, 1957

  • AUSIMM
    Mineralogical Assessment of a Churn-Drill Core form an Alluvial Tin Deposit

    Some of the problems associated with drill core evaluation of alluvial tin deposits and correlation with plant-scale recovery are discussed. Panning churn-drill cores on site tends to undervalue such

    Jan 1, 1970

  • AIME
    Oxidation Method for Investigating Petrographic Composition of Some Coals

    By Reynold Q. Shotts

    Data are presented which show that fractions of varying densities-from the same coals are oxidized at different rates by nitric acid. From oxidation data, the approximate quantity of "bright" and "dul

    Jan 1, 1950

  • SAIMM
    Rate Of Reoxidation Of Ultra-Low Carbon Steel In Contact With Slag Of Various Compositions

    By K. Y. Lee, J. M. Park, C. W. Park

    Laboratory-scale experiments were carried out to investigate the effect of ladle slag composition on the decreasing behaviour of aluminum content in steel, i.e., reoxidation of molten steel in contact

    Jan 1, 2004

  • AIME
    Boston Paper - The Russell Process in its Practical Application and Economic Results. Compiled from Mr. Russell's Notes

    By Ellsworth Daggett

    In the first paper on the Russell process presented by Mr. Stetefeldt, in May, 1884 (Transactions, xiii.), the process was treated from a purely theoretical standpoint.. 111 his second paper of Octobe

    Jan 1, 1888