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Analysis of Annual-Delayed Successive (4D) Geophysical Charges in a Borehole
By D. Preece
The mining and oil industry employs techniques such as geologic mapping, core drilling and electromagnetic and potential field techniques to explore for new deposits. Since new discoveries of major ne
Jan 1, 2011
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Slope stability’s control for designing and execution of massive open pit blasting
By P. Ravanal, J. Blazquez, F. Ortega, P. Couceiro, J. Navarro
Massive blasting technique is an interesting alternative to optimize mining’s performance by enhancing digging rates and overall operation’s activities, especially when a reduced operational bench wid
Jan 1, 2024
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Low Density Bulk Emulsion Applied in Perimeter Holes in Underground Development Heading Blasts
By Anne Caroline Costacurta Polli, Jose Rojas Cáceres, Roberto Mahler de Morais, Thais Costa Silva
The technology and the knowledge about the behavior of explosives and detonation accessories allowed to create new products for different situations by the restrictions imposed by the market. In a Bra
Jan 21, 2025
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Impacts of Alternative Hydrocarbon Fuels on Ammonium Nitrate-Based Explosives
By Jeffrey W. Lin, Larry B. Weston, Jonathan D. Abbott, Jordan L. Arthur
Hydrocarbon fuel oils are one of the main components of ammonium nitrate-based explosives, including ANFO (Ammonium Nitrate-Fuel Oil) and emulsions. While a wide variety of fuels can, and have, been u
Jan 21, 2025
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Analysis of Sympathetic Detonation in Detonating Cord
By Josh Calnan, Paul M. Holmgren, Abigail N. Styer
Detonating cord is a staple of the explosives industry, used widely in the civil and defense industries. Detonating cord is a thin, flexible plastic tube filled with pentaerythritol tetranitrate (PETN
Feb 1, 2020
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Swedish Cautious Blast Excavation at the CSM/ONWI Test Site in Colorado
By Roger Holmberg, William Hustrulid
Swedish cautious blasting techniques were used to excavate a room at the CSM Experimental Mine in Idaho Springs, Colorado,as part of a ONWI/DOE sponsored nuclear waste disposal research program.
Jan 1, 1981
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Fragmentation Mill Throughput Improvement Through a Dual-Salt Sodium Nitrate Emulsion Product
By Khushaal Popli, Vanessa Roeland, Brian Hall, Carl Diederichs
Highland Valley Copper (HVC) has embraced an integrated Mine to Mill approach to comminution since the late 1990s. Previous blasting optimization was carried out through adjustments to blast pattern g
Feb 6, 2023
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Investigation of Blasting Fumes using Numerical Simulation
By Sunil Vytla, Akash Adhikari, Purushotham Tukkaraja
Blasting operations produces gases and fumes that may be toxic or non-toxic in nature. A detonation of commercial explosives such as ANFO, emulsion, and dynamite would ideally produce only nontoxic pr
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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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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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Reducing Vibration Damage Claims: Field Application of Strong Public Relations and One Method of Using Commonly Available Seismograph and Video Taping Equipment to Document Blast Vibration Regression at the Nearest Structure
By Mark R. Fritzen, Ted A. Fritzen
Anytime that blasting operations will be conducted near existing inhabited structures, vibration damage claims are a major concern of the blasting contractor. It has been our experience that even when
Jan 1, 1994
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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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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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Designing Blasts by Simulation Rather than Solely by Trial/Error
By Roger Favreau, Patrice Favreau
Without blasting there can be no roads, no hospitals, no factories, not even foundations for homes. Yet in 1960 the only way to design a blast was by trial/error. By comparison, bridges were already d
Jan 1, 2013
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Marvel Loch – Core and Shell Mass Blast
By Joseph Hoang, Nick Reed, Scott Wishart, Michael Lovitt
Marvel Loch Underground forms part of St Barbara Limited’s Southern Cross Operations which is located 360km (224 miles) east of Perth. Southern Cross Operations produces approximately 120,000 ounces o
Jan 1, 2012
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Mitigation and Management of Blast Generated Fume in Eastern Australia
By Muamer Medusalic, Kim Henley, Lucas Bottomley
The period from 2009 to 2012 has witnessed a large rise in the number of blast-generated fume events in Eastern Australia, where highly visible oxides of nitrogen (NOx) are produced from coal mine bla
Jan 1, 2012
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Modern Underground Raise and Slot Design
By N. Rouse
Underground raises and slots are a vital part of underground blasting operations. Raises and slots are vertical shafts or openings used for ventilation, ore passes, or creating voids in stopes. In the
Jan 1, 2024
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SmokeFCM: Segmentation of Quarry Blast Smoke Plumes using Self-Adaptive Weighted Fuzzy C-Means
By E. Lentilucci, A. Dey, X. Liu, A. Datta, S. Ghosh
The segmentation of quarry blast smoke plumes is a crucial research area that has the potential to enhance safety, environmental monitoring, object detection, and regulatory compliance in the mining i
Jan 1, 2024
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Distribution of Specific Impulse on Vehicles Subjected to IED's
By Alexander Hauck, Dimitri Jung, Uli Leiste
This paper describes results from small scale tests conducted to determine the distribution of impulse on target plates when subjected to loading due to the detonation of a buried mine. The tests were
Jan 1, 2010
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Drill and Blast Trial Planning During Drill-Mill Optimization Project
By Tristan Worsey, John Henchion, Nathan Rouse, Yannick Lauras
"This paper presents an approach used to plan and evaluate drill and blast trials for a mine that currently mechanically excavates in-situ rock. The document presents the approach used to plan the tri
Jan 1, 2017