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Understanding the “Orange Smoke” Problem in Cast Blasting
By Charles Barnhart
This paper is a discussion of the causes of deflagration in cast blasting and a description of a project intended to demonstrate how changes in six critical parameters contribute to the deflagration c
Jan 1, 2003
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The Effects of Electronic Detonators and Precise Detonation Timing on Blasting Induced Rock Movement
By Dale S. Preece, Stephen H. Chung
Electronic detonators and the attendant precise detonation timing that they facilitate are having a measurable effect on rock blasting in terms of improved fragmentation and vibration control. These i
Jan 1, 2005
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Thermal Decomposition of Anfo at Low Heating Rates
By E. Contestabile, R. von Rosen, R. Guilbeault, R. Fouchard, P. Lightfoot
In August 1998, a truck loaded with 18 tons of blasting explosives, including over 13 tons of ANFO, left the road near Walden, Ontario. The crash caused a fire; approximately 30 minutes later a large
Jan 1, 2003
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A Topographical Map of the Innovation Landscape (ABSTRACT PAGE)
By Leon Lorenzen, Victor E. Ross, Anton W. Kleingeld
"Key to successful innovation, whether at organization, industry or national level, is the alignment and utilization of resources in the most appropriate and efficient way. Innovation needs to be dire
Jan 1, 2003
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Daveytronic High Accuracy Digital Blasting System
By Douglas Bartley, Robert McClure
This paper discusses the advances in programmable, testable high accuracy electronic detonator technology. The operation and safety of electronic detonator systems are required to meet rigid safety st
Jan 1, 2000
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Common Test Methods Used to Measure Properties of Commercial Explosives
By Gary Eck, Kevin Tallent
Over the past decades, the science of energetic materials has advanced dramatically in both the fields of military munitions, as well as industrial explosives. Out of necessity, test methods to measur
Jan 1, 1998
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Digitally Integrating the Blast Design with Remote Wireless Electronic Blasting
By Charles Pretorius
Electronic Delay Detonators (EDDs) with remote wireless programming and initiation capabilities have been successfully used for almost two years now. This system has been used in blasts mainly in Sout
Jan 1, 2005
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Quality-Assurance (to ISO-9001 Level) for Quarry Blasting in the Urban Environment
By Wilfrid Comeau
This paper deals with the concept of a Quality-Assurance Manual, to the ISO-9001 Level, for quarry blasting in the urban environment. A case history of the incident, which led to its development, is p
Jan 1, 2003
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Blast Control Measures at the Speekfontein Colliery Strip Mine Situated Close to a Major Power Situation in South Africa
By A Rorke, B Cubitt, R Beeslaar
The recent drop in the value of the South African Rand has resulted in an increased export value for South African coal and has lead to new coal reserves becoming available for mining. Very often thes
Jan 1, 1997
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Optimizing the Initiation Position of Geophysical Exploration Charges
By E. McCullough, D. Preece, M. Ortel
Geophysical explosive charges are used in mineral resource exploration. They are detonated subsurface and radiate sonic waves into ground monitors, which detect the vibration waves and their interacti
Jan 1, 2013
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BAI Workshop Presentation - New Stem Plug Devices and Applications
By Brian Carr
This workshop will display all of the existing products that are available as stemplug devices and discuss the general concept of the use of them. Actual results will be discussed along with several c
Jan 1, 2000
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Lafarge Exshaw Finer Fragmentation Study
By Jean-Guy Levaque, Robert Ethier, Ron J. Elliot
This paper presents data gathered during a comprehensive study on the impact of improvements to fragmentation in a major Limestone quarrying operation. The full impacts of gains in fragmentation are t
Jan 1, 1999
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An Analytical Approach For Diagnosing and Solving Blasting Complaints
By Douglas Rudenko
Have you ever had a neighbor complain about a blast one day, but says the next day’s blast was better, even though the Peak Particle Velocity (PPV) increased? How about neighbors that complain about a
Jan 1, 2002
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Super Cautious Contour Blasting Underground
By Stig O. Olofsson
The problem of overbreak in underground construction and mining is normally approached by a variety of smooth blasting methods. Numerous small diameter, low velocity explosives have been developed spe
Jan 1, 1994
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The Historical Development of Commercial Detonators and A Review of the Methods Used to Compare Their Ability to Initiate High Explosives
By Robert B. Hopler
To understand any technology it is necessary that a thorough background of how we got to the present stage is necessary. To do that with the subject of initiation devices we need to begin many hundred
Jan 1, 1990
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Evaluation of Optical Sizing Methods
By Russell Carter, Tom Barkley
"Optimization of blasting is hampered by the lack of inexpensive methods of measuringblast results. Optical methods of size analysis have the potential of creating abreakthrough in size analysis and i
Jan 1, 1999
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Blast Assessment Through Shovel Performance Monitoring
By Carl Hendricks, Malcolm Scoble
There currently exists no viable means of obtaining continuous, quantified feedback on blast efficiency. This paper describes the adaptation of a loading shovel to serve as a diagnostic tool in evalua
Jan 1, 1991
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Near-Field Blast Vibration Monitoring: Practical Considerations and Issues
By John Heilig, Patrick Andrieux
"Near-field monitoring of blast induced seismic vibrations is a practical and useful way of assessing blast field behaviour for diagnosis and optimization purposes. It is also necessary in order to pr
Jan 1, 1995
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Underwater Explosives Application
By Donald F. Rapp, Thomas E. Brown
The application of commercial explosives in an underwater environment, sometimes referred to as submarine blasting, presents the blaster with a unique set of demanding conditions which require exactin
Jan 1, 1994
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PECCS – Pan-European Competence Certificate for Shot-Firers/Blast Designers
By Teele Tuuna, Voglers Eesti OÜ
Blasting operations are a strong and important part in any kind of building and mining industry, a shot-firer profession is one of the oldest professions in the civilized world. It still serves an imp
Jan 1, 2018