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Problem Boulders, Big and Bigger
By Jerry Wallace
Two recent-release boulders posed serious threats to public transportation and utilities in Washington State. Both required challenging drilling and blasting solutions.
Jan 1, 1997
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Journal: Haz Mat 101, PART 1 - Hazardous Materials Shipping Papers and Emergency Response Information for Public Highway Transportation
By Tom Snyder, John Brulia
Part I is the first of a series of articles by the authors on hazardous materials (HM) transportation safety and compliance for shippers and carriers who offer and transport commercial explosives in c
Jan 1, 2014
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An Analysis of Recent Accidents During Use of Commercial Explosives
By Lon Santis
This paper analyzes 110 serious accidents that occurred during the use of commercial explosives in mining, construction, and other industries since 1992. Data from the Mine Safety and Health Administr
Jan 1, 2003
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Improved Blasting Economics at an Uzbekistan Copper Mine
By Viktor Aranovich, Thomas E. Brown
The Almalyk Integrated Mining and Metallurgical Plant is located near Tashkant in Uzbekistan and is one of the former Soviet Union's largest copper producers. Almalyk consumes about 10,000 metric tonn
Jan 1, 1998
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Low Cost Raw Materials for Emulsion Explosives Applications
By John Manka
Emulsion explosives consist of an aqueous oxidizer phase, a fuel phase, and an emulsifier. The ability to use lower-cost sources for any of these raw materials presents an obvious economic advantage t
Jan 1, 2003
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Experimental Studies to Investigate Pressure Loading on Target Plates
By T Duff
This paper describes results from small scale tests conducted to determine the distribution of pressure on target plates when subjected to loading due to the detonation of a buried mine in various med
Jan 1, 2014
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Load Transfer of Polycarbonate Blast Resistant Glazing Systems
By Joshua Calnan, Braden Lusk, Kyle Perry
This paper presents detailed information and data regarding the load transfer characteristics of Blast Resistant Glazing Systems utilizing two different thicknesses of polycarbonate. A series of triax
Jan 1, 2014
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Powder Factor Analysis of Quarry Blasts Through the Fragmentation-Energy Fan Concept
By Ian Bell
This paper investigates fragmentation in an aggregate quarry using the fragmentation-energy fan concept. Six blasts were monitored, located one behind the other in the same quarry area. The rock struc
Jan 1, 2019
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GEM (Geologic Element Motion) Blast Heave Modeling Sensitivity Studies of Explosive Formulations and Energy Partitioning
By D. S. Preece, S. Silling, A. Bhuiyan, C. M. Lownds
GEM (Geologic Element Motion) is a Discrete Element Method (DEM) capability for blast-induced heave simulation with a very fast computational algorithm that can efficiently treat many different elemen
Jan 1, 2024
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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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Comparison of Compliance Measures for Blasting near an Industrial Structure Vibration Monitoring Standards Connected to the use of Explosives in Different Countries, Part III
By C. Aimone-Martin, C. Dowding, M. Jern, J. Gjødvad
This article compares percentages of compliance for six national standards to demonstrate how these standards vary on-site in a real project. This, to the best of the authors' knowledge, has not been
Jan 1, 2024
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Advantages in Using Real-Time Blasting Simulation in Surface Blast Planning and Grade Control
By Peter Dare-Bryan, Will Hunt, Lee Julian
It is well-known that blasting has an economic effect on grade control activities. However, until recently, methods did not exist for measuring the grade control value change caused by the blast. Rule
Feb 6, 2023
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Fragmentation from Pattern Expansion with Electronic Detonators at the Red Dog Mine
By Norman Paley
A blasting project was undertaken at the Teck Alaska Red Dog Mine in 2005 to 2007 to determine the extent that using electronic detonators could increase Semi-Autogenous Grinding (SAG) mill throughput
Jan 1, 2012
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Dust Control in Surface Mines
By John W. Brown
"Adequate dust control in and around rock drills is a problem that must be solvedfor the health and safety of workers running the drill as well as those working around thedrilling operation This paper
Jan 1, 1999
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Blast Design and Mill Performance – A Case History
By Raj K. Rajamani, Solomon A. Tucker, Michael K. McCarter
"In a study aimed at exploring possible improvements in operating performance at an Open Pit Copper (OPC) mine in the western U.S., the impact of blast energy changes on crushing performance was evalu
Jan 1, 2017
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Integration of Mine Resources in the Optimization of Shot Documentation
By Kyle Apple
The following is a case study of how LuckStone Corporation improved their blast monitoring and documentation program. A number of resources already at their disposal have been utilized to improve the
Jan 1, 2001
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Solving Blasting Safety Hazards with Advanced Technology
By Ronald W. Roberts
For years, blasters have experienced near-misses, injuries, and yes, even fatalities as a result of the dangerous nature of our business. Yet, some blasters continue to portray the immortal attitude:
Jan 1, 1996
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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
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AN Railcar Derailed Debris Collection – Data Analysis Update
By Brandon Fryman, Josh Hoffman, Rhys Baker
A post-detonation debris collection project was led in conjunction with a large ammonium nitrate (AN) railcar detonation conducted by the Department of Homeland Security-Transportation Security Admini
Feb 1, 2020
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Surplus Military Propellants as Ingredients in Commercial Explosives
By Kevin Tallent
The use of military-type energetic materials in commercial explosive products is not a new concept. In the United States, the techniques for utilizing significant quantities of surplus military explos
Jan 1, 2000