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Delicate Demolition - Bizarre Tragedy Leads to Record-Setting Blast in Canada
By Brent Blanchard
An emergency demolition project related to a bizarre plane crash has reportedly set a new world record for the tallest structure ever explosively demolished. On Sunday, April 22, 2001, 38-year old Gil
Jan 1, 2002
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Frequency Analysis and the Use of Response Spectra for Blast Vibration Assessment in Mining
By David E. Siskind
In the period 1989 to 1994, the U.S. Bureau of Mines assisted the Office of Surface Mining, Reclamation and Enforcement (OSM) in studying a high-complaint situation near an active surface coal mine. A
Jan 1, 1996
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Journal: Safety Talk / Safety Shortcuts -- The Longest Distance Between Two Points
By Steven D. Sandbrook
A man by the name of Louis Binstock once said, “Too often the shortcut, the line of least resistance, is responsible for evanescent and unsatisfactory success.”
Jan 1, 2015
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Status of International Standards on Blasting
By Gerald R. Coonan
I'm really here to talk about my pet subject of government relations. I've been in Peabody's Environmental Quality Department, working on regulations, for over five years, and I have seen a number of
Jan 1, 1980
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Windows-Based Automated Blast Loading and Reporting System
By Ronald Joseph
Windows-based automated blast loading systems have long being conceptualised and never really taken off in the surface mining sector. However, with the introduction a windows-based automated blast loa
Jan 1, 2009
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Ammonium Nitrate Blasting Agents from Manufacture to Field Use
By Fred C. Drury
The introduction and growth of modern chemical explosives based upon prilled ammonium nitrate has been the most significant development in the explosives industry during the 20th century. These modern
Jan 1, 1980
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Modelling Complex Shock Tunnel for Shock Interaction and Transfer Testing
By Catherine Johnson, Barbara Rutter
The shock tunnel located at the Missouri University of Science and Technology Experimental Mine is 65 feet 9 inches (20.0406 m) in length. The tests performed inside of this tunnel are either arena te
Jan 1, 2018
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Worsey-Silva Equation for Modeling Fragmentation Caused by Row Timing
By J. Silva, T. Worsey
The Worsey-Silva equation determines the optimal row timing for the smallest fragmentation and allows fragmentation models to be adjusted due to row timing. The equation utilizes the concept of dynami
Jan 1, 2024
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Are Electronic Initiation Systems the Unique Answer to Solve Blasting Issues?
By Jesus A. Pascual de Blas
After 30 years of development and introduction, electronic initiation systems are now well established in blasting applications, both mining, quarrying and civil works. In terms of blast technology, i
Jan 1, 2019
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Ground Reaction Time Measurement and Modelling for Improved Blast Outcomes
By Richard Turnbull
Maules Creek mine is an open cut coal near Boggabri in the Gunnedah Basin of New South Wales, Australia. The mine is currently operating at an annualised run rate of 9.5Mt of saleable coal. The plan i
Jan 1, 2018
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Journal: Safety Talk, Drilling Safety – Minimizing Risk Factors
By William Reisz
Many different types of drills coming in a wide range of sizes and configurations are used in the blasting industry today. While each system may have its own unique attributes and capabilities, it may
Jan 1, 2013
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The Importance of Computerized Blast & Inventory Management Systems for the Explosives Industry
By Frank Wilder, Mark Ferrero
One of the challenges currently facing the explosives industry is how to transition its workforce and its business systems to respond to the increasing pressures for improved inventory and records man
Jan 1, 2006
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Blasting Procedures at the Republic Mine
By R C. Berglund
Since the Republic Mine began production in the mid 1950's, drilling and blasting practices have continually changed. In recent years, progress has been achieved through the development of more precis
Jan 1, 1980
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Buffer Blasting Techniques in Open Pit Mines
When CIL presented their new theory of the Breakage Process and Delay Blasting at the 74th Annual Meeting of the CIM in 1972(1), there was hardly any open pit operation in Canada that was using longer
Jan 1, 1979
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Oxygen Balanced Emulsion-ANFO Blends for Use in Flammable Atmospheres
By Michael J. Sapko, Eric S. Weiss
The U.S. Bureau of Mines has been conducting research on the secondary explosion hazards associated with the mining of oil shale under gassy mine conditions. Explosive incendivity tests have been cond
Jan 1, 1990
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The Swedish Approach to Contour Blasting
By R Holmberg, P A. Persson
Recent developments in the methods of measuring rock motion close to the contour at the moment of blasting have given an improved understanding of the extent of rock damage caused by different charge
Jan 1, 1978
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Protection from Liability Before, During, and After Blast Detonation
By Ralph E. Burnham, J. Kelly Ratliff
"The words “dynamite,” “TNT,” “explosives,” and “blasting” typically cause the general public, andjurors, apprehension and fear. Although blasting operations conducted by well-trained, skilled, andexp
Jan 1, 2016
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A System for Remotely-Controlled, Continuous Drill and Blast Excavation
By Carl R. Peterson, Robert G. Lundquist
The development of a remotely-controlled drill and blast excavation system is desirable both because it is potentially more economical than mechanical tunneling in hard rock and for safety. A serious
Jan 1, 1983
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Optimum Design for Blasting Plastic Material Using High Speed Photography
Case histories in blasting show that Livingston's cratering technology has been applied successfully to blast designs with explosives having a charge length to diameter ratio not larger than 6. But th
Jan 1, 1987
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Digital Delay Blasting At United Taconite LLC
By William Everett, Jack Eloranta
United Taconite is an iron ore mine operated by Cleveland-Cliffs Inc (Cliffs) located near Eveleth, Minnesota. The mine, originally known as Eveleth Taconite Mines, was purchased in December 2003 by C
Jan 1, 2006