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Perimeter Blasting in Underground Mining
By Paul Sterk
In underground mining a great deal of time, money, effort, and resources have been used in the effort to minimize blast-induced damage. This damage occurs to the back, ribs, and pillars when the energ
Jan 1, 2003
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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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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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Blasting Trials to Control and Monitor Displacement of Narrow Vein Gold Ore
By P Geddes, K Grohs, C K. McKenzie, M Morrish
Low grade surface gold mining at the Acacia Resources, Union Reefs Gold Mine in Australia's Northern Territory, involves the excavation of benches in three slices after blasting. Blast patterns span z
Jan 1, 1998
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Quality: a New Approach to Improve Blasting Safety
By John C. Brulia
Blasting is both an art and a science with the primary objectives being safety and performance. Safety, the paramount objective, is a process that has limitless opportunities for improvement. Quality,
Jan 1, 1993
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Modeling Reactive Sulfide Rock at the Red Dog Mine
By Norman Paley, Zachary Pickett
The Red Dog Mine is a high-grade zinc-lead mine located in northwest Alaska which began operations in November 1989. In June 2014 the upper half of a charge in a trim shot in the Aqqaluk pit deflagrat
Feb 1, 2020
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Wanted: Blaster
By Ron Gilbert
Every day, demand increases with over all population; supply must follow. People must have more food, shelter, and mobility. Raw materials must be mined. Roads, trenches and foundations support the q
Jan 1, 1996
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Report on the 11th International Symposium on Rock Fragmentation by Blasting
By A T. Spathis
The 11th International Symposium on Rock Fragmentation by Blasting (FRAGBLAST 11) was held in Sydney, Australia, between 24-26 August, 2015. The 93 papers, including six keynote presentations, covered
Jan 1, 2015
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ICI's Computer Blasting Model SABREX - Field Calibration and Applications
By G G. Paine, C V. B Cunningham, G Harries
The companies of the ICI Explosives Group have successfully used a wide variety of internal computer codes including BOBCAT, KUZ-RAM, ICRAX, XPLODE, BLEND, 3CRACK, MICBLAST, DETON, etc. In recent year
Jan 1, 1987
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The Importance of the Explosive Confinement
By Manuel Gutkrrez, Nasslo Gallardo, Arturo Cancec
The study done in Dofia In&s de Collahuasi aims to improve the fragmentation in one of the most difficult rocks to deal with in an operation, It is the Ignimbrita. In order to avoid ejections and to i
Jan 1, 2001
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Using Artificial Intelligence and 3D Imaging for Real-time Fragmentation Analysis on Conveyor Belts
By Ronald Ticona, Anaani Huaman, Andrea Lucero
Mine-to-mill optimization begins with a clear understanding and ongoing assessment of blasting, crushing, and grinding operations. Modification of blasting practices to optimize feed size can increas
Jan 1, 2019
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Applications of the Hand Held Programmable Calculator in Field Problem Solving
By J R. "Dick" Daniel
Over the past several years, the Hercules Technical Service Group for the Explosives Department has produced a series of programs for the TI59 programmable calculator dealing with explosive applicatio
Jan 1, 1984
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Drill and Blast Optimization at the Sparkhule Limestone Quarry
By Paul L. Matrin
This paper will discuss the recent and on-going drill and blast optimization measures at the Sparkhule Limestone Quarry, which have resulted in a 44% reduction of drill and blast unit costs per ton of
Jan 1, 2004
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Method of Ground Water Removal from Blast Holes
By I. Petrovsky
Presence of the ground water, especially flowing water, causes limitations in the type of the explosives, which can be used for the blasting development in the open cats and quarries. This presents re
Jan 1, 2003
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Digital Energy Control - A New Tool for Blasting
By Andrew Stirling
Quarry operators are under constant scrutiny by individual neighbors and neighborhood associations due to the environmental issues arising from daily quarry operations. Issues range from truck traffic
Jan 1, 2002
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A Blasting Plan for Loading Hot Holes
By John R. Holliday, William Marcum
Apogee Coal Company, DBA Arch of West Virginia, faced the challenge of drilling and blasting over one million cubic yards of high temperature overburden at its Ruffner surface operation near Logan, We
Jan 1, 1996
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Implementation of Seed Form Vibration Analysis, Modelling and Electronic Detonators for Blast Vibration Control and Blast Performance
By Thomas L. Barkley
"In early 2015 the Seed Waveform method was used to measure the Geologic response of the MesabiIron Formation to explosives energy input. This single charge wave form was then used to design acritical
Jan 1, 2016
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Proactive Waste Minimization Initiatives for Energetic Waste Sites
By T Barnes, K D. Sexton, T J. Tope
For the past decade, the U.S. Department of Defense (DoD) has been under increasing pressure from state and federal regulatory authorities to develop management strategies for waste streams generated
Jan 1, 1997
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Cooperation in Regulations ( International Society of Explosives Engineers 1996G - Cooperation in Regulations - P 34)
By John Petty, John Loviza
As a blaster, have you ever had that uneasy feeing in the pit of your stomach as a codes enforcement official drives onto your jobsite? Have you ever needed an ally in a court of law against an unjust
Jan 1, 1996
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Pioneering with Medium Diameter Lifters
By Luke Thornton, Jack Janssen
An unconventional drill pattern is used in an aggregate quarry to reduce pioneering costs. The site is the Iron Mountain Quarry, Granite Falls, WA., an aggregate quarry with an annual production of in
Jan 1, 1997