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  • NIOSH
    OFR-8-73 Evaluation Of Methanometry In Coal Mines

    By Ralph D. Gift

    This report describes a program of research to evaluate methanometry in coal mines. The program commenced by conducting an extensive state-of-the-art survey. Details of the survey are presented which

    Jan 1, 1972

  • NIOSH
    OFR-52(2)-84 Surface Coal Mine Spoil Stability Study Eastern Coal Province - Volume II

    By Paul G. Swanson

    This investigation was conducted to identify the principle causes of spoil instability problems in the Eastern Coal Province. The study was also conducted to develop a matrix to predict the strength a

    Jan 1, 1983

  • NIOSH
    IC 8365 Recommended Safety Standards For Shaft Sinking (Revision Of IC 7810) ? Introduction

    Unfortunate occurrences resulting in injuries, loss of life, and destruction of property by explosion, fire, and other mishaps during shaft sinking focused the attention of the Bureau of Mines on the

    Jan 1, 1968

  • NIOSH
    Workplace Stress

    YOUR mom was right …count to 10. Most workers today report that they find their jobs stressful. Miners, in particular, are faced with hazardous and changing environments. Every shift provides differen

  • NIOSH
    OFR-49-76 The Development Of A System To Suppress And Extinguish Fully Developed Coal Dust Explosions: Progress Report

    By L. D. Johnson

    On a project which is to develop a system to suppress coal dust explosions, a facility has been built and several devices tested. The facility is a 317-foot, 4.5-foot diameter shock tube and to date 5

    Jan 1, 1972

  • NIOSH
    OFR-13-72 Grouting Of Horizontal Holes In Coalbeds - Section I - Introduction

    Horizontal holes are drilled underground into coalbeds to control methane flow from ribs and active face areas and to make gas pressure measurements in coalbeds. Gas pressure measurements are made by

    Jan 1, 1972

  • NIOSH
    RI 5996 Gasification Of Coal By Hot Recycled Helium In A Laboratory-Scale Exchanger-Type Gasifier ? Summary

    By R. L. Gall

    This report describes Bureau of Mines experiments in gasifying coal in a helium-heated tube-coil reactor. The purpose of this work was to investigate helium as a medium for transferring heat from a nu

    Jan 1, 1962

  • NIOSH
    Helium ? General Summary (9246d274-98aa-4b94-b5e5-a562b0d0980a)

    By Harold W. Lipper

    BUREAU OF MINES helium plants produced a. record-breaking 477 million cubic feet of this essential element in 1959. The supply of helium was less than the demand before operations were resumed at the

    Jan 1, 1960

  • NIOSH
    RI 6608 Entrained Bed Carbonization Of Bituminous Coal - Tests On An Australian Coal

    By W. S. Landers

    This report presents a detailed study of low temperature, entrained-bed carbonization of an Australian coking coal. The coal studied was high-volatile B bituminous from the Foybrook mine, an open-cut

    Jan 1, 1965

  • NIOSH
    OFR-137-83 A Simulation Model For Predicting The Performance Of Vibrating Screens

    By Kevin Hennings

    Screening efficiency models developed to date rely almost exclusively on empirical formulas based upon large amounts of acquired operating data. A screening model was developed using a combination of

    Jan 1, 1982

  • NIOSH
    OFR-114-76 Surface Mine Haulage Road Design Study

    By Bruce E. Stauffer

    The report recommends criteria for the design of safe surface mine haulage roads. Information relevant to road design at surface mine sites delineates vertical and horizontal alignment; subbase and su

    Jan 1, 1976

  • NIOSH
    RI 2778 The Application Of Compressed Air To The Elliot Pool, Nowata County, Oklahoma ? Introduction

    By Ben E. Lindsly

    The recovery or partial recovery of the oil remaining in oil sands after the usual methods of production have become unprofitable is perhaps the greatest problem in the petroleum industry today. The a

    Jan 1, 1926

  • NIOSH
    OFR-84(6)-76 A Master Environmental Control And Mine System Design Simulator For Underground Coal Mining - Volume VI - Production Subsystem ? I. Introduction

    By C. B. Manula

    Simulation continues to hold the spotlight among the Operations Research applications in the operational side of mining. One reason for this is the need to solve the many waiting line and storage prob

    Jan 1, 1974

  • NIOSH
    OFR-11(2)-82 Recontouring Of Steep-Slope Abandoned Contour Mines - Volume II - Appendices

    By Daniel I. Carey

    Current and potential dragline reclamation usage was evaluated for the U.S. coalfields based on data gathered and analyzed during field surveys, literature reviews and contacts with manufacturers. It

    Jan 1, 1981

  • NIOSH
    RI 8470 Iron-Base Alloys Strengthened by Laves Phases as Substitutes for Stainless Steels

    By J. S. Dunning

    One Federal Bureau of Mines research goal, to minimize requirements for domestically scarce mineral commodities through conservation and substitution, can be accomplished by utilizing more abundant el

    Jan 1, 1980

  • NIOSH
    IC 8166 X-Ray Mass Absorption Coefficients - A Literature Survey (12aff5f5-c7f5-442e-aa90-d2fc92f6ba01)

    By Howard M. Stainer

    Published X-ray mass absorption coefficients were compiled and tabulated. These coefficients are required for various X-ray analytical techniques. Values obtained from 28 authors are listed for 87 ele

    Jan 1, 1963

  • NIOSH
    IC 8166 X-Ray Mass Absorption Coefficients - A Literature Survey

    By Howard M. Stainer

    Published X-ray mass absorption coefficients were compiled and tabulated. These coefficients are required for various X-ray analytical techniques. Values obtained from 28 authors are listed for 87 ele

    Jan 1, 1963

  • NIOSH
    IC 8580 Materials Handling Research: The Bucket-Wheel Excavator

    By G. C. Price

    This study traces the development of the bucket-wheel excavator, points out the differences in the German- and American-type wheels, and gives the major design criteria and the advantages and disadvan

    Jan 1, 1973

  • NIOSH
    OFR-21-82 Baseline Environmental Monitoring Program For The Bear Creek Hydraulic Borehole Mining Demonstration Test

    By Lyda W. Hersloff

    An environmental monitoring program was established to assess the baseline of parameters which may be impacted by a research and development hydraulic borehole mining operation. During the baseline pr

    Jan 1, 1981

  • NIOSH
    RI 9429 - Bending Fatigue Tests 2 and 3 on 2-Inch 6x25 Fiber Core Wire Rope

    By J. R. Bartels

    The U.S. Bureau of Mines has established a wire rope research laboratory to examine the factors that affect the life of wire rope. Two sin-diameter 6x25 fiber core (FC) ropes were degraded on a bendin

    Jan 1, 2010