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The Safe Use of Controlled Blasting in Construction and Mining
By Alyse Munro Hindley
The increasing negative public opinion toward blasting has led to stricter regulations and increased costs. This paper outlines alternative methods of rock excavation and the safety regulations and ce
Jan 1, 2015
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Explosive Operations for Constructing a Tunnel Based PCB Collection System
By Gerard McAlinden, Daniel Frost, Patrick McAlinden, James McAlinden
In an effort to recover Polychlorinated biphenyls (PCB’s) that had leached into bedrock below the Hudson River in Upstate New York, a shaft and tunnel complex was designed that would allow installatio
Jan 1, 2010
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Cost - Benefit Analysis of Using Electronic Detonators in a Large Carboniferous Limestone Quarry in the North of England
By Bill Birch, Toby White, Ian Brown
costs/benefits of electronic detonators and measure their effects on primary crusher productivity. 9 blasts (3 shock tube blasts, 6 electronic blasts). Measured electricity consumption & primary crus
Feb 1, 2020
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Review and Learnings from a Surface Quarry Rockfall Incident
By Andrew Moore
It has long been common practice to conduct drilling and blasting operations at surface quarries in the Midwest in close proximity to near-vertical highwalls. The main reasons for such an approach, an
Feb 6, 2023
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Peculiarities of Drilling and Blasting in Underground Small-Scale Mines
By Patricio González Santis, Jacopo Seccatore
This paper documents drilling and blasting activities from gold mining in Ecuador and Chile. First, are described the outdated and often non-rational techniques employed by miners, to provide a genera
Feb 1, 2020
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Experimental Investigation into the TNT Equivalency of Electric, Non-Electric and Electronic Detonators
By Emily Johnson, Catherine Johnson, Ben Sonpon, Kelly Williams
The effect of length to diameter of the detonator is compared using Ansys/Autodyn 2-D simulations, the results of which are validated experimentally. It was found that higher pressure comes with a lar
Feb 1, 2020
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Ground Vibration Attenuation Rate due to Blasting in South Florida
By W. Sharkey Bowers
This study was undertaken in order to determine a conservative estimate of the attenuation rate of vibrations through the shallow limestone in South Florida due to quarry blasting.
Feb 1, 2020
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Pyrotechnic Mortar Pressure and Exit Velocity Study
By R. Sibley, K. Perry, E. McCorkle, M. Coy
Black powder has been used in fireworks since the 10 th century in China. To this day, black powder still has a variety of uses, including fireworks, and remains relatively unchanged. Black powder is
Jan 1, 2024
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Flyrock Elimination Program Part 3: 3D Bench Photogrammetry
By Brian Sandhuas, Robert McClure
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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Correlation of Measurement-While-Drilling Parameters to Fragmentation
By Kain Petterson, P D. Katsabanis
Blast fragmentation, determined using image analysis was correlated to drill monitoring parameters in an open pit operation. Average fragment size and 80% passing size showed strong correlation with s
Jan 1, 2013
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Additive Manufacturing of Liners for Conical Shaped Charges: Practicality and Performance
By Phillip R. Mulligan, Catherine Johnson, Edward Kinzel, Cody Lough, Jason Ho
A shaped charge is an explosive device used to focus detonation energy in a desired direction. Shaped charges have numerous applications in several industries such as oil extraction, weaponry and demo
Jan 1, 2019
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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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Magazine Propagation Model in Quantitative Risk Assessments
By Harley Cheema, Brandon Fryman, John Tatom
A new magazine propagation model has been proposed by the IMESAFR Science Panel for eventual implementation into the IMESAFR QRA program. Initial results from this QRA propagation model are now availa
Feb 1, 2020
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Violence Factor – The New Tool for Blast Performance Analysis
By Dr. Calvin J. Konya, Anthony Konya
Blast violence has always been a criteria that has been analyzed without a quantitative approach relying on opinions of those viewing the blast and oftentimes does not transfer between open-pit mines,
Feb 1, 2020
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Blast fragmentation model to increase mill productivity and optimize resources based on the Mine to Mill Methodology
By A. Ribeiro
The effective utilization of resources and process optimization play a crucial role in the sustaining and growth of overall businesses. This principle holds true in the mining sector, where particular
Jan 1, 2024
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Use of Visualization Tools for Drill and Blast Activities
By Carlos Alvarado, Hernan Narea, Jhon Silva, Bryan Townsend, Katherine Gil, Brayan Caceres, Felipe Pontanilla
With the promising development of new technologies, automation in Drill and Blasting (D&B) is on the horizon. The data generated in all D&B activities, which is currently segregated, can be linked to
Jan 21, 2025
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"High Fidelity Computer Modeling of Air-Deck Behavior during RockBlasting"
By Dale S. Preece, Ruilin Yang
"Air-decks are often employed for presplitting along the final highwall of a blast and are sometimes also included at the bottom or in the middle of explosive columns in the production portion of a bl
Jan 1, 2017
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Journal: Fifty Years in Explosive Engineering The Story of a Determined Immigrant
By Milos Bila
The second half of 2008 and the first half of 2009 brought up important anniversaries. My old passport from Czechoslovakia has a stamp with date 10-10-1968 at 10:00 AM, the exact time I crossed the bo
Jan 1, 2010
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Fugitive Carbon Based Gases Blasting Related or Not
By Fred Baldassare, Marcia Harris, Kenneth K. Eltschlager
Surface mine blasting was recently investigated as a potential source of high concentrations of stray gases found in nearby residences of western Pennsylvania. In one incident carbon monoxide was dete
Jan 1, 2004
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Violence Factor – The New Tool for Blast Performance Analysis
By Dr. Calvin J. Konya, Anthony Konya
Blast violence has always been a criteria that has been analyzed without a quantitative approach relying on opinions of those viewing the blast and oftentimes does not transfer between open-pit mines,