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An Energy Equality Approach to Blasting
By Daniel Scott
Mines have used explosives for economical fragmentation for many years. It can therefore be expected that the mining industry has thoroughly researched how to achieve the most efficient blast. However
Jan 1, 2012
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Journal: 100 Years / SCIENTIFIC AMERICAN New York December 2, 1911 / Hudson Maxim
By Robert Hopler
HUDSON MAXIM A Noted Inventor of High Explosives ALTHOUGH the subject of the present sketch has been a tireless worker in many fields of activity, his name is best known in connection with his work in
Jan 1, 2012
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Identification & traceability of civil explosives in Europe
By 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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Flyrock Elimination Program Part 1: Corporate Initiative
By Scott Scovira
All flyrock incidents have the potential to result in injuries or fatalities that can result in loss of company reputation, license to operate with clients, and bear the exposure to high cost liabilit
Jan 1, 2012
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The Impacts of Digital Revolution in the Mining Sector. Case of Study: Blasting Operations of a Copper Mine in the Northern of Brazil
By Vitor Fonseca de Barcelos, Jair Carlos Koppe
Our society is experiencing a digital revolution. Technology is demonstrating its significant potential for mining industry. In this paper are presented the measured and estimated impacts of applying
Feb 1, 2020
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Environmental Effects of Blast Induced Immissions
By Rolf R. Schillinger
Subject of the paper are blasting vibrations as sources of environmental molestations including acceptance level,complaint level and damage level as well. Besides, the subject shows a comparison of in
Jan 1, 1996
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Underground Mega Mass Blasting with Electronic Initiation Near Urban Area (d4770d5b-0062-4b3c-9658-460485a3a3f4)
By Jean-Francois Lagueux, Andre Pomerleau
Goldex Mine is an underground mine located near the town of Val-d’Or. Multiple innovations were required to work the mine. Due to its low grade, it was important to develop a bulk mining method to eco
Jan 1, 2011
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Full-Scale Trials Involving the Open Detonation of Large Bombs Close to Structures.
By Ambrose Buchanan, Rob Farnfield, Charles Adcock
Beginning on 7th September 1940 the City of London was subjected to 57 consecutive days of bombing in what became known as the ‘London Blitz’. To commemorate the 70th anniversary of this event a telev
Jan 1, 2011
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Delineating Extent of Cracks in Post-Blast Rock Surface Using GPR – A Case Study
By Sayantan Chakraborty, Kaushik Dey, SaKaushik Dey tyabrata Behera
Drilling and blasting is a popular excavation technique in the drift of underground mine. Faster completion of drift reduces the gestation period and thus longer blast pulls are attempted with longer
Jan 1, 2019
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Traffic Tunnels in Rock - Guide Levels for Blast-Induced Vibrations
By Sven-Erik Johansson, Gosta Rundqvist, Donald Jonson
In Stockholm a new road traffic system called Södra Länken (Southern Link) will be in operation in late 2004. The total length of the road system is 6 kilometres of which 4,5 kilometres run through tu
Jan 1, 2004
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Underwater Explosions - Particle Size Effect Of Al Powder To The Energy Content Of An Emulsion Explosive
By Martti Hagfors, Jussi Saavalainen
The underwater explosions has been used as a test method for the determination energy content of explosives. The test method is suitable for all kind of explosives; homogeneous, heterogeneous, wa-ter-
Jan 1, 2010
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Principal Component Analysis Of Vibration And Air Blast
By John Cory, David Lily, Bill Hissem
The Lafarge granite quarry in Cumming, Georgia is using Principal Component Analysis (PCA) and Biplot charting to identify important variables and control air blast and vibration. Every blasting situa
Jan 1, 2010
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Supporting Quarry Operations with Blasting Technology
By Tacio Ferreira
How state-of-the-art software, data analysis and communication applied to drilling and blasting techniques have have allowed quarries in the Midwest of the United States to improve results downstream
Feb 1, 2020
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Vibration Data Analysis to Optimize the Blast Design and Improve Shovel Productivity
By Luana Ferreira de Carvalho, Aurelio Manço Garcia, Gustavo Sampaio Lopes, Jose Silvio Corsini, Davi Bastos Martins de Oliveira
The Enaex Mining Technical Solutions (EMTS) team, in partnership with the Anglo American Iron Ore Brazil drilling and blasting team, has developed a study aiming to optimize the blast design applied a
Feb 1, 2020
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JKVBOC Blast Movement Model Applications for Ore Control at Open Pit Mines
By Constanza Bujes, Mark Jones, Graham Crook, Yansan Jamyanbaatar, Sedat Esen
Tracking ore characteristics such as grade and hardness from its original position into the material handling and processing stages remains one of the key challenges in open pit mining of hard rock de
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Controlled Blasting Technology for Tunnel Crossing Under High-speed Rail in Small Distance
By Weiying Zeng, Shouwei Wang, Jinbei Zhong, Xiangdong Meng, Lingtian Meng
"Due to a drainage problem, the Lanzhou to Chongqing high-speed rail line had been out of service during the 2015 wet season, so a drainage tunnel is to be constructed for the line and required to be
Jan 1, 2017
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Vibration Data Analysis to Optimize the Blast Design and Improve Shovel Productivity
By Luana Ferreira de Carvalho, Aurelio Manço Garcia, Gustavo Sampaio Lopes, Jose Silvio Corsini, Davi Bastos Martins de Oliveira
The Enaex Mining Technical Solutions (EMTS) team, in partnership with the Anglo American Iron Ore Brazil drilling and blasting team, has developed a study aiming to optimize the blast design applied a
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Digital Detonators in Iron Ore
By Keith Maki
This paper details a simple substitution of precise electronic timing in the holes for standard pyrotechnic delays. In addition, we wanted to use two electronics in bottom and top to test the collidin
Jan 1, 2007
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A New Method for the Prediction of Blast Vibrations and Suggestions with Respect to Uniform Reference Values for Short-Time Vibrations
By Robert Boehnke, Bernd Mueller
This contribution presents an innovative, statistically supported method to predict blast vibrations in rock mass. For modelling the processes during and after detonation, a theory is employed which i
Jan 1, 2004
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Where the Rubber Meets the Rock
By Michael Twomey, Alastair Torrance, Alan Twomey
Low density explosives have been available in various forms for nearly 20 years. These initially consisted of various diluted forms of ANFO formulated to slow the rate of reaction. One such product th
Jan 1, 2011