Application of the NIOSH-Modified Holmberg-Persson Approach to Perimeter Blast Design

Details

• Personal Author:
  Hustrulid, William A. ; Iverson S ; Kerkering C
• Description:
  Perimeter control blasting is common in civil construction projects but not as common in mining. A poorly designed and executed underground mine development blast design can result in unwanted wall rock damage. This damage increases the risk of rock falls and injury. With the availability of good drilling equipment, it is a simple matter to add the few extra holes needed to change conventional drifting into drifting with perimeter control. In the 1970's, Holmberg and Persson (H-P) introduced the Swedish approach to contour blasting and it has found wide acceptance due to the logical basis and ease of application. An error in the mathematics of the H-P approach was discovered in 2002 and use has fallen into question. This paper presents a modification which corrects the mathematical error. The NIOSH-modified H-P design curves are basically identical to the original ones in the far field but with some significant differences in the near field. The application of the curves remains the same. The determination of the required site constants and the construction of the design curves are demonstrated with respect to data collected at the Stillwater mine, Nye, Montana. [Description provided by NIOSH]
• Subjects:
  Accident Prevention Accidents Accidents, Occupational Geology Mining Occupational Health Safety
• Keywords:
  Accident-prevention Injuries Injury-prevention Mining-industry Rock-falls Rock-mechanics Underground-mining
• Series:
  Mining Publications
• ISSN:
  0732-619X
• Publisher:
  International Society of Explosives Engineers
• Document Type:
  Text
• Genre:
  Journal Article
• Place as Subject:
  Louisiana ; Montana ; OSHA Region 10 ; OSHA Region 6 ; OSHA Region 8 ; Washington
• CIO:
  National Institute for Occupational Safety and Health (NIOSH)
• Division:
  SRL - Spokane Research Laboratory
• Topic:
  Workplace Safety & Health
• Location:
  North America
• Pages in Document:
  1-33
• Volume:
  2
• NIOSHTIC Number:
  nn:20034954
• Citation:
  Proceedings of the 34th annual conference on explosives and blasting technique, January 27-30, 2008, New Orleans, Louisiana. Cleveland, OH: International Society of Explosives Engineers, 2008 Jan; 2:1-33
• Federal Fiscal Year:
  2008
• NORA Priority Area:
  Mining
• Peer Reviewed:
  True
• Source Full Name:
  Proceedings of the 34th annual conference on explosives and blasting technique, January 27-30, 2008, New Orleans, Louisiana
• Collection(s):
  National Institute for Occupational Safety and Health
• Main Document Checksum:
  urn:sha-512:4bbb60d00e2fc1618d158b49d8b67598c4b9dcf0cd7eedebb54d46fba2d05d849589a9b51fc54194d537faa036af10026ec281780dfb6a71e5c8e61e513cdf02
• Download URL:
  https://stacks.cdc.gov/view/cdc/227054/cdc_227054_DS1.pdf
• File Type:
  [PDF - 1.63 MB ]