A New Perimeter Control Blast Design Concept for Underground Metal/nonmetal Drifting Applications [RI 9691]

Details

• Personal Author:
  Hustrulid, William A. ; Iverson, Stephen R. ; Johnson, Jeffrey C.
• Corporate Authors:
  National Institute for Occupational Safety and Health. Office of Mine Safety and Health Research
• Description:
  This report presents a new concept in perimeter control blasting for underground metal/nonmetal mine drifting applications focusing on the importance of the buffer holes in a blast design. The new blast design concept applies the understanding of radial damage that is caused by the buffer hole column charge. Buffer hole radial damage is defined by a practical damage limit applied to the rock lying between the buffer holes and the perimeter. A favorable comparison was made between five successful controlled blast designs and the concept of practical damage limit. This concept is easy to use and acceptance of the approach would only require mines to conduct trial blasts to test the design theory.
• Content Notes:
  Stephen R. Iverson, William A. Hustrulid, and Jeffrey C. Johnson.
  
  March 2013.
  
  Also available via the World Wide Web as an Acrobat .pdf file (3.45 MB, 79 p.).
  
  Includes bibliographical references (p. 55-60).
  
  
• Subjects:
  Explosions Explosive Agents Occupational Health Safety
• Series:
  NIOSH Numbered Publications
• Subseries:
  Report of Investigations
• DOI:
  https://doi.org/10.26616/NIOSHPUB2013129
• Document Type:
  Text
• Genre:
  Report
• CIO:
  National Institute for Occupational Safety and Health (NIOSH)
• Topic:
  Workplace Safety & Health
• Location:
  North America
• Pages in Document:
  print ; 67 p. : ill. ; 28 cm.
• NIOSHTIC Number:
  nn:20042113
• Federal Fiscal Year:
  2013
• Collection(s):
  National Institute for Occupational Safety and Health
• Main Document Checksum:
  urn:sha-512:524a819a136ea1c8fa93521a61b7d3535933f93f08b7dc7cb87a58270b2f874d9785b2008cb22f64cf592afb6c4f18969736bda444d02daba72726299cab8ad2
• Download URL:
  https://stacks.cdc.gov/view/cdc/13217/cdc_13217_DS1.pdf
• File Type:
  [PDF - 3.45 MB ]