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A Blaster’s Tool To Measure Fragmentation
By Larry Mirabelli, David Lilly
In 1777, the French naturalist, Georges Louis Leclerc, Compte de Buffon developed a statistical technique to estimate the width between two parallel lines by randomly throwing a needle at the two line
Jan 1, 2008
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Journal: History of ISEE – Timeline / 35 Years
1974 The Society of Explosives Engineers officially formed to “advance the art and science of explosives engineering” on August 20, 1974 in Pittsburgh, Pennsylvania.
Jan 1, 2010
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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 Topologies for Electronic Initiation Systems
By D. Lansburg
Electronic detonators are increasingly being used in today’s blasting in quarries, seismic, surface and underground mines. Electronic detonators offer several distinctive features over electric and no
Jan 1, 2011
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Wall Control Blasting Practices at Kisladag Gold Mine
By Ekin Güngor, Berkant Ozdemir, Erkan Bayrak, Serdar Ergün, Sedat Esen
"This paper presents the final wall blasting practices at Eldorado Kisladag Gold Mine in Turkey. Benchmark and improved wall control designs were explained in detail. Kisladag Mine has been implementi
Jan 1, 2017
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Magnitude 2.8 Earthquake Caused by 90 Pounds (41 kg) Per Delay! Not So Fast
By D. Rudenko, C. T. Aimone-Martin, J. K. Ratliff, I. G. Wong, J. Aiken, R. E. Burnham, T. A. Davidsavor
A small quarry blast was conducted with a maximum of 90 pounds per delay and shortly afterwards, area residents sensed ground motion and building shaking indicative of an earthquake. In addition, seis
Feb 6, 2023
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Initial Selection of Explosive Materials for the Explosives Terrorism Risk Assessment
By Rachel E. Gooding, George C. Emmett, David R. Bradley
The United States (U.S.) Department of Homeland Security (DHS) Directorate of Science and Technology (S&T) is using a probabilistic risk assessment (PRA) approach to evaluate the risks from terrorist
Jan 1, 2017
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Report on the 11th International Symposium on Rock Fragmentation by Blasting
By A T. Spathis
The 11th International Symposium on Rock Fragmentation by Blasting (FRAGBLAST 11) was held in Sydney, Australia, between 24-26 August, 2015. The 93 papers, including six keynote presentations, covered
Jan 1, 2015
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The Fragblast History FB 1- FB 10
By Agne Rustan
This paper is intended to give a summary of the first ten Symposia on Rock Fragmentation by Blasting where the symposia activities were governed by a Steering Committee replaced at Fragblast 2 by an I
Jan 1, 2014
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Close-In Blasting at the Tri-Met Light Rail Tunnels in Portland, Oregon
By Don Z. Painter, Gordon F. Revey
Frontier/Traylor Joint Venture is presently constructing a section of the Tri-County Metropolitan Transit District of Oregon's (TRI-MET) Westside Light Rail system. This new section will extend Portla
Jan 1, 1995
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Journal: Safety Talk / MSHA Winter Alert Beat Winter Hazards, Win with Winter Alert
By MSHA website
“Conditions at underground and surface coal mines can change dramatically during the winter months,” said Joseph A. Main, assistant secretary of labor for mine safety and health. “We must be ever mind
Jan 1, 2011
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Monitoring of Dynamic Borehole Pressures
By B. Papilon
Dynamic pressures during blasting can affect performances of both electronic and non-electronic detonators. Boreholes can develop tremendous amount of pressures during blasting. The effect of such ele
Jan 1, 2013
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Blasting Near Communities: A review of new techniques and technologies to minimize the impact generated by blasting
By L. Muñoz, L. Steffen, J. Alarcón, W. Vilas
Today, mining operations close to communities face increasing challenges, especially in their drilling and blasting operations. Proper management of environmental impacts is important to guarantee the
Jan 1, 2024
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Controlling high risk blasting in an urban environment The Airport Link Story
By Rob Domotor
This paper tells the story of using controlled surface and underground blasting methods to excavate hard rock in three areas on Australia’s largest road infrastructure project; the Airportlink Project
Jan 1, 2012
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Quake, Quarry, or Quack
By Dominic C, Gregory B. Poole
On December 12, 2018 at 4:14 AM EST, an earthquake registering a 4.4 magnitude on the Richter Scale occurred in central Tennessee. According to a survey posted on the USGS website, this earthquake was
Feb 1, 2020
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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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Quality Control of Bulk Explosive Products to Minimize the Risk of Fumes
By Alastair Torrance, Mitchell Nipperess, Andrew Olsson, Italo Onederra, Gary Cavanough
Components of bulk explosive products include ammonium nitrate, water, fuel, stabilizers, and calcium nitrate. The physical attributes include prill/emulsion ratio, density, and viscosity and in the c
Jan 1, 2015
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Immediate Internet distribution of vibration data from the historic Byward Market, Ottawa, Canada
By Robert Lee, Jeff Corace, Rob Cyr
Blasting in the heart of the historic Byward Market District of Canada’s capital, Ottawa, presents a unique set of challenges. The obvious difficulties arising on projects requiring blasting within 3
Jan 1, 2006
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Christmas Day 2020 VBIED Blast Investigation Findings and Damage Assessment of Nearby Historic Buildings in Nashville, Tennessee, USA
By J. Mikhael Erekson, Connie Campbell Brashear, Brent Meins
Christmas morning 2020, an IED in an RV was detonated along an evacuated section of downtown Nashville, Tennessee. The blast damaged over 40 buildings, including AT&T’s Main Central Office and caused
Feb 6, 2023
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Six Pillars, Inventory Management & ATF Record-keeping
By Ron Ketterling
We will discuss electronic and paper record keeping, what works and what doesn’t. We’ll review record keeping in light of those five sub-committees: Audit, Awards, Constitution, Ethics and Planning. Y
Feb 1, 2020