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Automatic 3D Fragmentation Analysis from Drone Imagery
By Andreas Gaich
A new 3D fragmentation analysis method for muck piles is presented. It works with aerial imagery from UAVs (drones) and handles entire muck piles with minimum user intervention.
Feb 1, 2020
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Penetration Analysis of a Shaped Charge Jet into a Concrete Target
By Joseph Indeck, Seokbin Lim, Andrew Thompson
In the design of explosively driven penetration devices, understanding the impact conditions between the explosively propelled penetrator and the target is one of the most important steps in optimizin
Jan 1, 2011
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Blasting Improvements by Using Most Active Rock Variations on Blast
By Alain Blanchier, Anne Charline Sauvage
Rock mass variations have a huge influence on explosives efficiency and on blasting results. Numerous blasting improvements could be gained by taking into account rock mass and its variations. However
Jan 1, 2004
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Productive Partnership – Advanced Blasting Technology at Newlands Coal Mine
By Les Willan, Chris Batten, Matt Sparkes
In late 2008 Xstrata Newlands Coal Mine in Central Queensland and Orica Mining Services engaged in discussion to investigate methodologies to change their current mining practices and overcome the iss
Jan 1, 2010
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How the USDA Uses Explosives to Remove Beaver Dams in Unique Locations
By Bruce R. Leland, Steven H. Smith, John D. Paulson
The USDA - Wildlife Services has been removing beaver dams with explosives for over 30 years. This paper will discuss the history of the explosives program, summarize how we've evolved, and highlight
Feb 1, 2020
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Study of Ultrafines Control in Blasting
By A. Andrades, E. Arias, Y. Pizarro, J. Alarcón
Division Ministro Hales - Codelco (DMH) is located at 2600 meters above sea level, 10 km north of the city of Calama, Antofagasta region, Chile. In operation since 2010, it corresponds to a porphyry
Jan 1, 2024
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Application of Differential Blasting for Value Chain Optimisation
By Stephen Mansfield, Saran Sankar
The Sentinel open pit copper mine, operated by First Quantum Minerals Ltd, is located in the North West province of Zambia. The Sentinel orebody is a sediment-hosted, structurally modified deposit in
Jan 21, 2025
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Reducing eyebrow break caused by rock blasting in Malmberget mine
By Zong-Xian Zhang
In sublevel caving mines, serious eyebrow break usually gives rise to lower ore recovery, higher dilution, and worse safety for the people working in the field. For example, chargers must go near the
Jan 1, 2011
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Methane-air Mixture Air-blast Approximated Using Detonating Cord in Rock Dust Dispersibility Studies
By BruneJurgen F., Richard C. Gilmore, Matthew Schreiner, Ray Johnson
Explosive pockets of methane-air mixtures accumulate in underground coal mines and, when ignited, produce an air-blast wave that can disturb combustible coal dust on the floor, roof, and ribs. To prev
Jan 1, 2019
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Improved Remediation Performance of a Contaminated Basalt Aquifer by Blast Fracturing
By Adrian Moore, Bryan Goodwin, David Fales, David Lam
This paper describes the development of blasting protocols used to successfully create a 450m long blast fractured permeable trench in a basalt aquifer up to 20m thick, at a petrochemical facility in
Jan 1, 2011
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Blasting a Diversion Tunnel through the Abutment of a "Meta-Stable" Dam
By Jennifer Williams, Donald J. Berger
Originally built between 1913 and 1916, the Ashton Dam & Hydroelectric Facility has experienced various seepage and piping incidents since completion. Ashton Dam is located within 15 miles (24 km) of
Jan 1, 2014
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Study of Linear Waves on Linear Shaped Charges
By G. Walsh, M. T. Wild
In this paper the performance effects of linear shaped charges will be discussed. Different sized charges were tested and reviewed based on their performance used with a typical detonation method vs.
Jan 1, 2011
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Geotechnical Slope Remediation Via RC-drilling And “Controlled Slope Failure Blasting
By Tyler Acorn
In December of 2009 an estimated one million ton slope failure activated a 10 million ton mass impacting use of the main ramp system in the Newmont Gold Quarry pit. The failure left behind a 400 foot
Jan 1, 2011
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Comparison of Recent and Past Blast Induced Pipeline Strain Responses
By Travis A. Davidsavor, Charles Dowding, David A. Provost, Yonggang Gou
This paper compares measured blast induced strains on operating, full scale, buried pipelines with three similar past studies. The recently performed study represents realistic and modern pipeline bla
Feb 1, 2020
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A Comparative Study Of Ppv Analysis Of Tunnel Rounds Using Both Non Electric And Programmable Electronic Detonation
By Andrew Wetherelt
Blast vibrations are of paramount importance in a society where ever increasing development is putting more stringent requirements on their control. Increasing civil development and more complex extra
Jan 1, 2007
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Implementation of an Integrated Quality Assurance and Control System Applied to High Complexity Blasting Open Pit
By Regina Rocha, Miguel Humpire
One of the challenges within unitary mining operations is blasting, which has a significant downstream impact on the following processes, which is why mining companies ensure the results of the blasti
Feb 6, 2023
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Blasters' Survival
By John C. Brulia
The IME member companies, the ISEE along with its chapter organizations, the Federal, state and municipal regulatory agencies, and the industry consultants and suppliers have developed safety equipmen
Jan 1, 1994
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Non-Electric Shock Tube and Optimizer Initiation Systems, Applications and Hookups
By Tom Treleaven
This guide presents numerous patterns that provide 8 millisecond separations between initiated charges. The guide is tabulated in seven sections to provide quick reference by number of decks or bunch
Jan 1, 1997
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Improving Quarry Production Rates by Reducing Bucket Fill Time
By Elliott Giles
"Measuring a blast’s performance based on the bucket fill time or “diggability” has always been achallenge due to the subjectivity generally involved. The diggability of a blast is often based onopini
Jan 1, 2016
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Would That Low-density Explosive Work For This Rock?
By Michael Wieland
The thermodynamics work-principle was used to develop the rupture-fracture-throw (RFT) model for ranking the performance of reduced-density explosives when shot in rock or other stratum. The RFT model
Jan 1, 2011