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The Role of Particle Size and Shape on the Propagation of Reaction in Explosive and Pyrotechnic Formulations
By James L. Austing, Allen J. Tulis, Ronald Pape, Ronald G. Draftz
In a certain sense, the explosives industry began in the 13th century with the invention of black powder, which is an intimate mixture of sulfur, carbon black or charcoal, and potassium or sodium nitr
Jan 1, 1995
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Near-field Blast Vibration Response of Sensitive Pipelines
By C. Sawmliana, P. Pal Roy
Near-field blast vibration response of restrained pipelines either buried or exposed was studied during rock excavations at sensitive locations for Stage-II (4x500 MW) commissioning work in a super th
Jan 1, 2001
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Sympathetic Detonation Causes and Solutions
By P D. "Takis" Katsabanis
The phenomenon of sympathetic detonations in blastholes is investigated by comparing experimental observations and numerical modelling results. Numerical modelling using the TDL computer code and Fore
Jan 1, 1991
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Logistical Processes in the Explosives Industry Using Examples from Daily Work
By Frank Hirthammer
Productivity, customer relations, and effectiveness of work depend to an ever-increasing extent on a functioning logistics system tailored to the needs of the user. Of course, it is not possible to co
Jan 1, 2019
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Blasting Seismograph Comparison in Side-by-Side Blast Monitoring Tests
By Kenneth Eltschlager, Jim Ratcliff, Michael Mann, Edward Sheehan
The Appalachian Blaster Certification Delegation initiated a study to compare the consistency of measurements from blasting seismographs. Six blasts were monitored at surface coal mines in West Virgin
Jan 1, 2015
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Proposed Draft of the ISEE Seismograph Performance Specifications and General Guidelines for Seismograph Field Use (23551c26-fab0-471e-a564-2605bfe7a483)
By Richard R. Brochu
At the International Society ofExplosives Engineers Annual Conference held in Nashville, Tennessee in February 1995, a Seismograph Standards Committee was established. The purpose of this wmmittee was
Jan 1, 1998
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Drill Monitoring and GPS Developments and their Impact on the Drill to Mill Process
By John Vynne
Too often, a mine’s operations, including drilling, blasting, loading, hauling, crushing, processing, etc., are considered independent steps, rather then a continuous process. In fact, these are inter
Jan 1, 2000
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Underwater Explosions - Particle Size Effect of Al Powder to the Energy Content of PBX
By Martti Hagfors
Underwater explosions have been used as a test method for the determination of energy content of explosives for several decades. This is the only test method by which shock, gas heave and total energy
Jan 1, 2009
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Digital Detonators keep PA Coal Mine Operating
By Douglas Bartley, Jay Elkin
The state of Pennsylvania was at one time one of the leading coal producing states in the east. However, legislation and industry trends over the last 10 years have adversely affected the amount of bi
Jan 1, 2003
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Journal: Blast Vibration and Seismograph Section / Accuracy of Blasting Seismographs
By Bob Turnbull
The International Society of Explosives Engineers (ISEE), at its 1995 annual conference, established a Seismograph Standards Working Group to develop performance standards for blast vibration seismogr
Jan 1, 2007
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A Hydrodynamics-Based Approach for Predicting the Blast Damage Zone in Drifting as Demonstrated using Concrete Block Data
"Rock falls involving a relatively small amount of material are a leading cause ofinjuries in underground mines in the United States. A contributing factor is unwantedblast damage and over-break. A go
Jan 1, 2009
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Application of Response Spectrum Techniques in Predicting the Behavior os Structures to Blast Vibrations
By Dimitri Frantzos, Stewart Thompson, Ed Skiba, Hans Tammemagi
On behalf of Acres International we would like to thank Frank Chiappetta of Blasting Analysis International for inviting our organization to participate in this state-of-the-art course on blasting ana
Jan 1, 1989
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Field Applications and Quantification of Electronic Detonator Technology (f6aba4f2-0ecc-4a09-a9b0-132d9c5ded54)
By Douglas Bartley, Brian Wingfield, Robert McClure
Recent studies and limited tests indicate favorable results utilizing high accuracy electronic detonator technology over conventional non-electric pyrotechnic systems. This study discusses the applica
Jan 1, 2000
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New Dimensions in Initiation Systems
By Curtis G. Kremer
"New explosives initiation systems continue to be developed as new technologies make advancements possible. Due to recent initiator developments, explosives users now have the most reliable, accurate
Jan 1, 1991
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2000 Blasting in the New Millennium Tipping the Scales of Justice
By Ann Barron, Mark Abernethy
Along with the immense benefit of modern explosives seismic and acoustic effects caused by their detonation can be disruptive and alarming to many people. Claims range from affecting sexual performanc
Jan 1, 2004
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Professional Steps in the Blasting Process
By Mark William Withey
"Blasting safety in surface mining is a necessary industrial goal. Proper techniques and disciplinesexercised during the blasting process enhance the probability of achieving that goal.The blasting pr
Jan 1, 1995
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A Study on Post Blast Generation of Nitrogen Dioxide
By : D. Lawrence
Certain blasting applications are more prone to the generation of significant levels of nitrogen dioxide post blast fumes, more commonly referred to as after blast smoke, generally ranging in color fr
Jan 1, 1996
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Evolution of Single Shot Drawbell Blasting at New Afton Mine
By Mike Lovitt
New Gold Inc. had commissioned Orica to assist with the design of the drawbell blasting at New Afton Underground copper/gold block cave at Kamloops, British Columbia, Canada. Orica have had much succe
Jan 1, 2013
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Quarry Blast Permitting in the Urban Environment
By Chris Breeds, Ken Johnston, Omar Fulton
This paper describes the process typically involved with obtaining permits for quarry blasting in urban, suburban, and rural areas, including: content of SEPA (State Environmental Policy Act) driven d
Jan 1, 2003
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Comparison and Validation of Computational Mine Blast Loading
By R. Reed Skaggs, William Gault, Douglas Kooker
Both armored personnel carriers and light combat vehicles are increasingly vulnerable to a variety of highly lethal antitank land mines. As a result, there is a need for modeling and understanding the
Jan 1, 2005