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A Proposed Test Program To Improve Explosive Risk Management
By Lon Santis, Michael Swisdak, David Leidel, John Tatom
The Institute of Makers of Explosives (IME) and A-P-T Research, Inc (APT) have developed and released a quantitative risk management tool, IMESAFR (IME Safety Analysis For Risk), for the commercial ex
Jan 1, 2012
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Analysis of Air Blast Overpressures within a Negative Pressure Boundary
By Frederick B. Kuhnow
Harmonic energetic delamination of T2 building is being considered for demolition at a formerly known atomic lab. The T2 building is within a containment structure that is under a negative pressure of
Jan 1, 2017
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The Blasting Log - An Essential Witness of Professional Blasting
By S. J. Dillingham
As we enter the new century and close out the old, it has become standard procedure for most blasters to complete a blasting log or shot report following a blast. However, how can you be sure these co
Jan 1, 2000
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Underground Remote Firing System
By Tom Paynter
In an underground mining environment, the primary method of firing a blast is using a combination of an electric detonator and a detonating cord to initiate the Nonelectric detonators. This method has
Jan 1, 2017
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Journal: 21st Annual Photo Contest - Best of Show "Pinkerton Tunnel Open Cut Project"
By Michael Weaver, Dale L. Ramsey
The Pinkerton Tunnel open cut project is part of the National Gateway Clearance Initiative improvement project to achieve a minimum of 21 feet of vertical clearance along CSX Transportation rail corri
Jan 1, 2015
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Epic Blast of 275 US Ton (250 tonnes) Sets Benchmark in Opencast Mining Arena in Environmental Sensitive Area With Desired Fragmentation and Muck Profile.
By Tapas Kumar Mukherjee, Sujit Kumar, Sanjay Kumar Singh
This paper dwells on the epic blast conducted at Tata Steel’s captive coal mine in India and the insights drawn from it. Optimal blast design parameters had to be ascertained for operating benches (6.
Jan 1, 2019
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Paper or Electronic Records – Ways to Improve Blast Documentation and Recordkeeping
By Travis A. Davidson, Ralph E. Burnham, Cathy Aimone-Martin, J. Kelly Ratliff
Blasters face a long list of tasks to execute daily—from vehicle inspections to blast design and layout, hole loading and tie-in, securing the site, and finally, safely executing the blast. Good pract
Jan 21, 2025
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Single Shot Drawbell Blasting with Electronic Detonators at Freeport
By Bonifacio Degay, Mike Lovitt
PT Freeport Indonesia is a block cave mine that now utilizes an advanced undercut method to set up the min in the Deep Ore Zone (DOZ). In this method a slice of rock (undercut) is broken such that it
Jan 1, 2004
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Comparison of Ground Vibrations vs. Frequencies to Strain Rates from Blasting Operations at the Tennessee Capitol Corridor in Nashville, TN
By Gabe McClain, Thomas Pallua, Joe Schrank, William C. Gates
Because of restrictions on blasting in urban areas and, more importantly, the proximity of this construction to national historic landmarks, blasting operations were extensively monitored to measure a
Feb 1, 2020
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Use of a Scaled Concrete Model to Determine the Origins of Air Overpressure
By N. Skopak, W. Birch, A. Douglas, C. Johnson
Determining the origins of air overpressure has been a long-debated topic within the explosives engineering community. Historically, it has been accepted that the initial face movement gave rise to ai
Jan 1, 2024
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Harmonic Delamination of Nuclear Structures
By Frederick B. Kuhnow
Harmonic energetic delamination a building is being considered for demolition at a formerly known atomic power lab. The building is within a containment structure under a negative pressure, so that no
Feb 1, 2020
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An Examination of Blasting Accidents in Tennessee 1999-2003
By Bill Loviza, Jimmy Sanders
This report is not everything we would like it to be. Access to information concerning unresolved legal actions is a sensitive matter. Obtaining the information presented in this report was a challeng
Jan 1, 2004
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Effect of Geology and Mechanical Properties of Rock on Blast Results
By Ph. D. Favreau, Favreau Patrice B. Eng, R. F.
Geology is important in mining by helping to identify the rocks which contain sufficient valuable ore to justify their excavation. Geologists give a geological name to each rock type, so geology is a
Jan 1, 2019
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Fragmentation Techniques to Produce Armor Stone Blocks for Marine Structure
By Y Nagendra, A. Ravi Kumar
A breakwater is a construction for protecting the marine structures like port, harbor, or anchorage-basin and berthed marine vessels from the destructive influence of the sea waves. The breakwater is
Jan 1, 2005
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Instruments and Available Internet-Based Data for Documenting Weather Conditions
By Donna Kliche, Charles Kliche
It has been previously documented that various weather conditions such as wind direction and speed, cloud cover and, especially, temperature inversions can significantly affect the overpressure genera
Jan 1, 2011
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Blasting in a Cement Kiln
By Ray Patterson
A planned modification to a cement kiln at the Holnam Portland Cement Plant near Florence, Colorado required the removal of a ring of cast-in-place (CIP) refractory lining. The CIP lining was approxim
Jan 1, 1999
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Cost - Benefit Analysis of Using Electronic Detonators in a Large Carboniferous Limestone Quarry in the North of England
By Bill Birch, Toby White, Ian Brown
costs/benefits of electronic detonators and measure their effects on primary crusher productivity. 9 blasts (3 shock tube blasts, 6 electronic blasts). Measured electricity consumption & primary crus
Feb 1, 2020
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Transforming Underground Blasting Operations into Primary Crushing Operations
By Christopher Jon Preston, Troy Williams, Daniel Roy
There has been significant progress made with narrow vein gold mines in which a second option for crushing has begun to attract attention. To ensure the profitability of a mine that has based its econ
Jan 1, 2019
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Case Studies Using the Multiple Blasthole Fragmentation (MBF) Model at Open Pit Mines in Canada
By Scott King, Norm Patterson, Ruilin Yang
The multiple blasthole fragmentation (MBF) model developed by Orica models the contributions from multiple blastholes to fragmentation at any given point in the rock and simulates a production blast w
Jan 1, 2018
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Violence Factor – The New Tool for Blast Performance Analysis
By Dr. Calvin J. Konya, Anthony Konya
Blast violence has always been a criteria that has been analyzed without a quantitative approach relying on opinions of those viewing the blast and oftentimes does not transfer between open-pit mines,
Feb 1, 2020