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Blast Desification Techniques (An Operator's Guide)
By Patrick D. McLaughlin, C Fordham
"The project outlined in the accompanying paper was to densify beach sands on the pond side ofa tailings dyke to the strength required for future dyke construction, This was to be achievedthrough the
Jan 1, 1992
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Examination and Comparison of Shock Wave Characteristics in Open-Air Arena Test vs. Shock Tunnel Confinement
By D J. McLane, J T. Rathbun, B T. Lusk
The dynamics of explosive detonations are understood, however recreating a real-world, full scale scenario is costly. The use of a shock-tunnel allows testing to be done on a smaller scale, with the s
Jan 1, 2013
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Vibration Analysis for Blasting on a 16th Century Environment in Toledo - Spain
By Jesus Pascual, Benjamin Cebrian
A new Convention Center is going to be built in the millenary city of Toledo, right in the old city limits. The workings will need to excavate some 80.000 cubic meters of granite, which has, a trench-
Jan 1, 2004
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Profile, Profile, Profile
By John Platt, Mark Stephens
"When blasting is required in critical areas and anticipated shot movement and quick cleanup areessential to the success of the project it is extremely important to use the best technology available t
Jan 1, 2016
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Electronic Initiation System in Fosterville Gold Mine Development
By C. Zuniga, S. Combrinck, C. Peters
Agnico Eagle Gold have partnered with Enaex Australia at their Fosterville gold mine to leverage a combination of drill and blast technologies to optimise underground development mining. The mine is t
Feb 6, 2023
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Occidental's Resorts 7 and 8 Blasting Design and Results
By Thomas E. Ricketts
Occidental Oil Shale, Inc. constructed two commercial-sized modified in situ (MIS) retorts, Retorts 7 and 8, at its Logan Wash Oil Shale Mine in February and April 1981, respectively. One of the prima
Jan 1, 1984
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Method for Developing Explosion Damage Potential Contours in Urban Areas
By Braden Lusk
The problem of predicting damage in densely developed areas due to incidental or malicious explosions is one of considerable importance to local, state, and federal governmental bodies. The difficulty
Jan 1, 2010
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Charge Geometry Effects on Pressure Waveforms in a Shock Tube
By Joshua Hoffman, Braden Lusk, Kyle Perry
Shock tubes are used to simulate large-scale arena explosions without the use of full-scale arena sites that utilize large quantities of explosives. Instead, small explosive charges can be used to dri
Jan 1, 2010
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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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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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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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Western Europe's Largest Underground Blast
By P McConnell, T Garrigan
Tara Mines Limited, in Ireland, is Western Europe's largest zinc mine. Annual metal production, from 2.5 million tonnes of ore, consists of 180,000 tonnes of zinc and 34,000 tonnes of lead.
Jan 1, 1989
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Winning thin coal seams with Stratablast™- improving coal recovery and sustainability at Anglo Coal’s Drayton Mine
By Matthew Graham, Tapan Goswami, Geoff Brent
In dragline coal mining operations, throw blasting is used for the controlled placement of overburden to maximise coal exposure rates or to minimise overburden removal costs. This may necessitate sacr
Jan 1, 2010
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Blasting Effects of a Non-Pressure Liquid Tank Task 662
By David S. Shatzer, Michael R. Purcell
Current world events have demonstrated the use of commercial vehicles, other unconventional modes of transportation and unusual materials as explosives or incendiary weapons, affecting commerce, disru
Jan 1, 2004
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Investigating Planer Propagation of a Shockwave in a Shock Tunnel
By Joshua Hoffman, Braden Lusk, David McLane, John Rathbun
The research conducted previously on Shock-Tunnel Waveform Analysis gave a brief insight into the propagation of a shockwave within a shock-tunnel compared to that of an open air arena test. As a refr
Jan 1, 2012
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Bench Increase Angle
By Jamie Delgado, Marco Arelano
The changes of bench angles in an Open pit mine has a strong economical impact in the “mining business”, particularly in its cash flow related both to the decrease as well as to the increase of the gl
Jan 1, 2001
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Enhancing Blast Performance Evaluation through 3D Muck-pile Fragmentation Analysis: Overcoming Surface-Based Limitations
By O. Cermak, F. Degonld
Although 3D fragmentation analysis is a relatively new technology, it is rapidly gaining popularity among mid-sized mining operations and quarries. The results provided by this technology are adequate
Jan 1, 2024
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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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A Blasting Agent Having Unusually Low Velocity and Producing Unusually Low Ground Vibration and Large Burden Displacement
By D Linn Coursen
Detonation propagates in the subject blasting agent at about 2.7 km/sec when it is heavily primed but explosion propagates in it at only about 0.43 km/sec when it is lightly primed. When propagating a
Jan 1, 1994
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Paper or Electronic Records – Ways to Improve Blast Documentation and Recordkeeping
By Travis A. Davidson, Ralph E. Burnham, Cathy Aimone-Martin, J. Kelly Ratliff
Blasters face a long list of tasks to execute daily—from vehicle inspections to blast design and layout, hole loading and tie-in, securing the site, and finally, safely executing the blast. Good pract
Jan 21, 2025