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Mining Publication: A New Perimeter Control Blast Design Concept for Underground Metal/nonmetal Drifting Applications
Keywords: Blasting Drift mining Metal mining Nonmetal mining
Original creation date: March 2013
Authors: SR Iverson, WA Hustrulid, JC Johnson
Report of Investigations - March 2013
Download PDF Document (3,533 KB)
NIOSHTIC2 Number: 20042113
Spokane, WA: U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, DHHS (NIOSH) Publication No. 2013-129, RI 9691, 2013 Feb; :1-67
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.
A New Perimeter Control Blast Design Concept for Underground Metal/Nonmetal Drifting ApplicationsReport of Investigations - March 2013
Download PDF Document (3,533 KB)
NIOSHTIC2 Number: 20042113
Spokane, WA: U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, DHHS (NIOSH) Publication No. 2013-129, RI 9691, 2013 Feb; :1-67
See Also
A Gas Pressure-Based Drift Round Blast Design Methodology
Novel Stopping Designs for Large-Opening Metal/Nonmetal Mines
Propagation of EM Signals in Underground Metal/Non-Metal Mines
Relationship Between Elemental Carbon, Total Carbon, and Diesel Particulate Matter in Several Underground Metal/nonmetal Mines
Risk Profile of Cumulative Trauma Disorders of the Arm and Hand in the U.S. Mining Industry
Silica Dust Sources in Underground Metal/Nonmetal Mines - Two Case Studies
Technology News 491 - NIOSH Releases Two New Safety Training Videos
Technology News 501 - Measuring Very Low Air Velocities in Underground Metal/Nonmetal Mines
Technology News 518 - Super Stopping: A Permanent Solid Stopping for Directing Ventilation Airflows in Large-opening Metal/Nonmetal Mines
Technology News 519 - EZ-Up Curtain Stoppings: A Practical Solution for Directing Ventilation Airflows in Large-opening Metal/Nonmetal Mines
Page last reviewed: March 7, 2013
Page last updated: June 17, 2013
Content source: National Institute for Occupational Safety and Health, Mining Program
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