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Influence of Burden on Intensity of Ground Vibrations and Air Overpressure in Opencast Bench BlastingBy AK Chakraborty, AK Raina
Burden of drill hole is third most sensitive parameter effecting the ground vibration in blasting apart from maximum charge per delay and distance. Various types of burdens can be seen in practical be
Jan 1, 2004
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Calculating Shock Wave Over pressure from High-Speed VideoBy Catherine Johnson, Kelly Williams
The ability to measure the overpressure of a shock wave is necessary for explosives research such as shockwave focusing and field testing of blast-resistant designs for buildings and vehicles. To reco
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Journal: Recent Projects Chimney blasting in Vienna, AustriatriaBy Walter Voglauer
On May 14, 2011 a chimney blast took place in Vienna, Austria. The blasting operation was part of the demolition works at a former railway fabrication. The demolition works on this ground were done un
Jan 1, 2013
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Less Fines Production in Aggregate and Industrial Minerals IndustryBy Peter Moser
The average annual consumption of raw minerals in Europe is 10 ton per person. About 50 % is produced by blasting. For a population of 450 million (including the population from the countries of the n
Jan 1, 2004
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Hazards of AN Formulations Employing Sodium Nitrate and NitriteBy Kirlk Yeager
"Ammonium nitrate (AN) is commonly mixed with a wide variety of additives to produce specialty formulations. Two additives commonly utilized are sodium nitrate (SN) and sodium nitrite (SNi). Applicati
Jan 1, 1999
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Identification & traceability of civil explosives in EuropeBy Ashley Haslett
A European Directive on Identification & Traceability of explosives came into effect on the 4th of April 2008. This directive is intended to establish a harmonised system for the unique identification
Jan 1, 2010
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Blasting Design and High-Energy Explosive Strategies to Achieve Fines Targets for Mill PerformanceBy Jorge Cardenas, Diego Sanchez
Maximizing SAG mill throughput and metallurgical recovery in hard rock operations requires achieving target fragmentation, particularly a sufficient proportion of fines (<25.4 mm). These fines thresho
Jan 26, 2026
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Blasting in TunnelingBy Midori Sakamoto, Nobuaki Sakuma, Tsuyoshi Murashita
Recently, tunnel blasting works near the residential area and existing building are increasing and environmental problems caused by vibration have become serious public concern. In order to solve thes
Jan 1, 1998
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Journal: Safety Talk, Drilling Safety – Minimizing Risk FactorsBy 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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Modelling Complex Shock Tunnel for Shock Interaction and Transfer TestingBy 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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Journal: Safety Talk, The Blaster’s Duty of CareBy William Reisz
In our line of work,like many other professions, there may be times when circumstances or a series of events may arise, contributing toward unacceptable risk. When multiple parties are involved, there
Jan 1, 2014
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Half-Way House - Controlled Demolition Group "Rocks the Casbah" with Tricky Special-Effects-Laden BlastBy Jane Wright, Brent Blanchard
Question: When it comes to demolition projects, what could be more demanding than asking a blaster to explosively demolish a stubby, heavily-reinforced concrete structure in the heart of a third-world
Jan 1, 2002
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Construction Blasting in Central OregonBy Paul Schmiesing, Matt Higgins
Central Oregon is a fast growing resort community centered in Bend, Oregon. Bend is bordered by the Cascade Mountains to the west and the high dessert to the east. Central Oregon is blanketed with lav
Jan 1, 2000
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Journal: 100 Years / US Department of Agriculture Farmers' BulletinBy Harry Thompson
In using explosives to blast stumps from the ground in order to prepare it for farming, it is comparatively easy to place the charge under a stump having a semitaproot or a lateral system of rooting b
Jan 1, 2015
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Journal: Safety Talk / Crisis ManagementBy William Reisz
The explosives and blasting industry has a commendable safety and security record, especially over the last several decades. This is due in large part to our newer technologies, better training and ed
Jan 1, 2012
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The Importance of Keeping Accurate Records Time TrailsBy Brad Bockey
Whether you are a driver, blaster, or are in charge of filing, you must recognize the importance associated with DOT-required recordkeeping. As various agencies become intertwined with rules governing
Jan 1, 2011
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Underwater Blast Pressure Monitoring for the Columbia River Channel Improvement ProjectBy Cathy Aimone-Martin, Kristin Dunlap Kolden
Blasting was conducted for the Army Corps of Engineers (Corps) in the Columbia River near Saint Helens, Oregon during 2009 and 2010 to deepen the navigation channel as a final phase of a dredging proj
Jan 1, 2014
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2000 Blasting in the New Millennium - Timely Claims Reporting Can Make A Big DifferenceBy Steve Dillingham
A blast site incident has just occurred. Tensions are high, and, as the blaster, you’re in charge of the crisis at hand. Your mind is reeling, your thoughts frantic. The main areas of concern for you
Jan 1, 2002
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Journal: 100 Years / Petroleum By Sir Beverton Redwood London: Charles Griffin & Company, Limited 1906 CopyrightBy Robert Hopler
Torpedoing Wells. – On the completion of the drilling, or when the production is found to decrease, it is usual to “torpedo” the well to increase the flow. This process was patented in 1862 by Colonel
Jan 1, 2007
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CO Migration from Trench Blasting in Amherst, New YorkBy Marcia Harris, Richard Mainiero
The New York State Department of Transportation recently commenced highway widening and drainage improvement projects in Clarence and Amherst, NY. Drainage improvements including the installation of s
Jan 1, 2004