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Safer Blasting Using Electronic Detonators With Integrated Temperature Measuring Capabilities
By G Mendoza, L Taddei, C Robertson
It is a well-known industry fact that many mine sites around the globe experience blast holes that have elevated temperatures due to reactive ground, geochemical reactions, geomorphic reactions, sub l
Jan 21, 2025
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Controlled Blasting for Grasberg Slope Optimization
By Allen Kinney, P. T. Freeport
This paper presents the methodology for final wall-controlled blasting utilized at the Grasberg Mine. The resulting optimized slopes representa14%and17% increase to bench face angle (BFA) and inter-ra
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The US DoD RBESCT Development of SAFER
By William Yutmeyer, Meredith Hardwick
Since 1996 there have been at least two teams formed within the U.S. Government to develop a consistent set of risk-based standards to be used to govern safety. The first of these was the Risk and Let
Jan 1, 2007
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Characterizing Emissions Produced by Burning Chlorinated Energetic Materials
By James L. Wilcox, Douglass P. Bacon
As the U.S. Environmental Protection Agency (USEPA) and state regulators increase the stringency and enforcement of regulations concerning emissions produced by open-air detonation of energetic materi
Jan 1, 1996
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Using a low-density explosive and setting proper blast patterns to prevent Sympathetic Detonation at Itabira Mine in the Quadrilátero Ferrífero region.
By Vitor Barcelos, Eduardo Elói, Gabriella Vaz, Davi Oliveira, Leandro Silveira
Following a routine production blast at Vale S.A.'s Itabira Mine in the Quadrilátero Ferrífero region of Minas Gerais, Brazil, nearby residents registered complaints about blast-induced vibrations. An
Jan 21, 2025
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ApplicationofArcGISProinBlast-InducedGroundVibrationAnalysisinanOpenPit CopperMine
By Yong Pan, Purushotham Tukkaraja
It has been well understood that blasting is the cost-effective method for breaking rocks as compared with the mechanical systems. However, vibrations induced by blasting in open-pit mines could pose
Jan 1, 2019
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Fragmentation Optimization Techniques using 5.5 inch Hole Plugs at the Holcim Cement – St. Genevieve Quarry
By Douglas Bartley
As the economy continues to slowly recover, our industry continues to finds ways to increase productivity while being forced to cut costs. The drilling and blasting process is the starting point of an
Jan 1, 2012
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Application of Rudimentary Signature Hole Analysis
By Michael Laing
Blasting regulation and restrictions are tougher today than ever before. When blasting in population centers, strict limitations are often placed on the environmental effects caused by blasting, more
Jan 1, 2017
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Seismic Monitoring of Production Blasts
By Klaus G. Hinzen
Seismic observations offer the only possibility for remote sensing of physical processes like shock-front spreading, material crushing and ground movement. A better understanding of these processes wi
Jan 1, 1989
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Perimeter Control Utilising Electronic Detonators
By John Wall
The use of electronic detonators in civil tunnelling applications, to reduce vibration is small firings has been successfully utilised for a number of years. As part of the mining industry’s commitmen
Jan 1, 2012
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Blasting Near a Crusher
By Scott G. Giltner, Alex Schwenk
Blasting within 250 ft of a crusher was successfully executed through the application of electronic detonators, 3-D imagery, signature hole analysis, custom loading of blast holes. The blast was well
Feb 1, 2020
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Intrinsic Benefits of Presplitting - Relieving Gas Penetration in Addition to Lowering Blast Vibrations to Highwalls
By J. P. Remi Proulx, Areli Rodriguez, Ruilin Yang
Historically, presplitting has been considered effective in reducing the impact of blast vibrations on highwalls. However, it remains a debated topic: how significantly can it protect highwalls, and i
Jan 21, 2025
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Implementation of narrow veins mining in a zinc mine
By M. Gonçalves Peixoto da Silva, E. Rodrigo Carvalho Souza Siqueira
Mining in narrow veins is commonly applied for precious metals, generally carried out to extract gold in underground mines, due to the ore occurrence on narrow veins, mainly up to 2-meter large. The c
Jan 21, 2025
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Explosives Casting Technology in Surface Mining
By D E. Shaw, J B. Case, J Gusek
Explosive casting of overburden is defined as the use of explosives in blasting to move overburden to a spoil pile without rehandling. Studies of the economic feasibility of the method, and the formul
Jan 1, 1980
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Put Your Money on Your Paperwork
By John L. Didlinger
We all hate the paper work in keeping accurate blasting records. Nevertheless, have you ever thought what those records could show you? Think about it. Those records could show you vibrations, noise,
Jan 1, 1997
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Airblast Reduction from Effective Blasthole Stemming
By Duane Skidmore, Francis Otuonye, Calvin J. Konya
Proper stemming not only affects the rock breakage process, but also controls the unwanted side effects of blasting such as airblast, ground vibration, and flyrock. Little research has been conducted
Jan 1, 1982
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Journal: USDA’s Wildlife Services Explosive Safety Program “Managing Wildlife Damage”
By Alton Dunaway, Kevin Sullivan, Charles Gray, Doug Hall, Kevin Grant, Kelly Thiel, John Paulson, Bruce Leland, Cole Boyd
Beaver (Castor canadensis) are responsible for economic losses exceeding $4 billion over the last 4 decades in the southeastern United States alone. A large portion of these damages occurs to public r
Jan 1, 2007
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Anti - Bomb Remote Controlled Inspection Robot
By G. Geremia, M. I. Serrano, L. Costa, Strohaecker
The advances in electronics and the development of more efficient algorithms, allow for the designing of more complex and sophisticated automated systems. The new devices include lighter, faster, reli
Jan 1, 2010
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Shaking the Bugs at the Center for Disease Control [CDC]
By Mick Fritz, Ryan Gilmore
The Center for Disease Control [CDC] is in the midst of a twenty year project, part of which includes demolishing existing buildings and erecting taller, more modern structures within the same foundat
Jan 1, 2008
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Inco Limited Upper Blind Slot Raise 8M (25') to 12M (40') Longhole Carbide Drilling (L.C.D.) Method
By Steven Richardson, E A. Cameron, Reza "Ray" Jambakhsh
This paper outlines the design and implementation of a method to use Long hole Carbide drilling to blast an "Upper Blind Slot Raise" in the range of 12m (40 ft).
Jan 1, 1992