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National Institute for Occupational Safety and Health National Institute for Occupational Safety and Health
National Institute for Occupational Safety and Health

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x Blasting.
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    Blasting. (6)
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  • Comparative study of blasting vibrations from Indiana surface coal mines
    Filetype[PDF - 2.00 MB]
    Personal Author:
    Siskind, D. E.
    Corporate Authors:
    United States. Bureau of Mines
    Published Date:
    1989
    Series:
    Report of investigations (United States. Bureau of Mines) ; 9226
    Description:
    "The U.S. Bureau of Mines performed a comparative study of nine sites at eight surface coal mines to determine if the presence of near- surface underg...
    File Type:
    Filetype[PDF - 2.00 MB]
    File Type:
    Filetype[PDF - 2.00 MB]
  • Evaluation and determination of sensitivity and electromagnetic interactions of commercial blasting caps.
    Filetype[PDF - 6.40 MB]
    Personal Author:
    Thompson, R. H. (Robert Harvey), 1847-1935.
    Corporate Authors:
    United States. Bureau of Mines. ; Franklin Institute (Philadelphia, Pa.). Research Laboratories. ;
    Published Date:
    1973
    Series:
    Open file report (United States. Bureau of Mines) ; 1974-49
    Description:
    "Six different types of blasting caps, mainly of the type used in coal mines, were evaluated to determine both their radio frequency and direct curren...
    File Type:
    Filetype[PDF - 6.40 MB]
    File Type:
    Filetype[PDF - 6.40 MB]
  • Surface mine blasting near pressurized transmission pipelines
    Filetype[PDF - 4.62 MB]
    Personal Author:
    Siskind, D. E.
    Corporate Authors:
    United States. Bureau of Mines.
    Published Date:
    1994
    Series:
    Report of investigations (United States. Bureau of Mines) ; 9523
    Description:
    "The mining industry and regulatory agencies have requested guidance on blasting near buried transmission pipelines and safe vibration levels. The U.S...
    File Type:
    Filetype[PDF - 4.62 MB]
    File Type:
    Filetype[PDF - 4.62 MB]
  • Delayed blasting tests to improve highwall stability : a progress report
    Filetype[PDF - 6.50 MB]
    Personal Author:
    Stachura, Virgil J. ; Fletcher, Larry R. ;
    Corporate Authors:
    United States. Bureau of Mines.
    Published Date:
    1984
    Series:
    Report of investigations (United States. Bureau of Mines) ; 8916
    Description:
    "The Bureau of Mines conducted a series of delayed blasting experiments at a West Virginia contour coal mine that resulted in smoother highwalls. The ...
    File Type:
    Filetype[PDF - 6.50 MB]
    File Type:
    Filetype[PDF - 6.50 MB]
  • Effect of energy and impact direction on coal fragmentation
    Filetype[PDF - 6.71 MB]
    Personal Author:
    Voltz, Jon I.
    Corporate Authors:
    United States. Bureau of Mines.
    Published Date:
    1989
    Series:
    Report of investigations (United States. Bureau of Mines) ; 9260
    Description:
    "Ths U.S. Bureau of Mines has conducted fundamental coal fragmentation studies to evaluate the effects of impact energy and direction of bedding plans...
    File Type:
    Filetype[PDF - 6.71 MB]
    File Type:
    Filetype[PDF - 6.71 MB]
  • Stemming ejection and burden movements from small borehole blasts
    Filetype[PDF - 828.61 KB]
    Personal Author:
    Kopp, John W.
    Corporate Authors:
    United States. Bureau of Mines.
    Published Date:
    1987
    Series:
    Report of investigations (United States. Bureau of Mines) ; 9080
    File Type:
    Filetype[PDF - 828.61 KB]
    File Type:
    Filetype[PDF - 828.61 KB]