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Modeling Vs. Monitoring Blast Movement: The Cost of Variation
By Will Hunt, Darren Thornton
In March of 2013, an undisclosed gold mine (MINE X), located in the Western United States, performed blast movement monitoring of three blasts occurring in one of two active pits. Blast Movement Monit
Jan 1, 2014
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Improvements in Quarry Blasting Cost Effectiveness
By P Cotton, N Cox
The Brisbane City Council has implemented a program of continual improvement at its Mount Coottha Quarry in the heart of Brisbane, Australia. The program has been underway for the past 6 years, and ha
Jan 1, 1996
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Investigation of the Comparative Effects of a Major Aluminum Supplier’s Aluminum Products in Commercial Explosives
By C. Anderson, Mike Michaelis
Ammonium Nitrate (AN) - based commercial explosives are non-ideal explosives. This is because the chemical and physical structure is heterogeneous on a distance scale comparable to, and in many cases
Jan 1, 2003
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Improved Drilling Accuracy Results in Reduced Ore Dilution at Evolution, Cracow
By Phil Jones, Ben Johnson
During a period of six months in FY2018, a series of trials were conducted to compare drilling accuracy using two different methodologies and the subsequent impact this had on ore dilution. Testing wa
Jan 1, 2019
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Explosion Hazard Assessment - In Accordance with European Directive 96/82/EC "Seveso II"; Iso-Damage Areas Due to Accidental Explosion
By Roberto Folcht
The obligations of the European Directive 96/82/EC on the control of major accident hazards, the so-called Seveso II Directive, became mandatory within the E u ropean Member States February 3, 1999. E
Jan 1, 2004
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Fluvial Geomorphology-Stream Relocation for the Mining Industry
By Gerald W. Longenecker
For decades, traditional hydraulic engineering approaches have been used for sizing stream channels when stream relocation efforts have been necessary to allow for the advancement of quarry and other
Jan 1, 1998
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Study of Blasting Produced Air Overpressure in Urban Area
By Zou Dingxiang
Rock blasting in the project of “Site Formation and Associated Infrastructure Works at Choi Wan Road and Jordan Valley” is the largest urban blasting project in the history of Hong Kong and also is ra
Jan 1, 2007
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Comparison of Field and Simulated Cast Blasts
By R. F. Favreau, Patrice Favreau, Dennis Mahan
Cast blasting is becoming more and more popular, not only in coal mines but also in other operations which require excavation of an upper layer of waste rock to uncover temporarily and excavate a laye
Jan 1, 2014
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Expanded Rock Blast Modeling Capabilities of DMC_Blast, Including Buffer Blasting
By Dale S. Preece, J Paul Tidman, Stephen H. Chung
"A discrete element computer program named DMC-BLAST (Distinct Motion code) has been under. development since 1987 for modeling rock blasting (Preece & Taylor, 1989). This program employsexplicit time
Jan 1, 1997
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Evolution of Single Shot Drawbell Blasting at New Afton Mine
By Mike Lovitt
New Gold Inc. had commissioned Orica to assist with the design of the drawbell blasting at New Afton Underground copper/gold block cave at Kamloops, British Columbia, Canada. Orica have had much succe
Jan 1, 2013
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Optimizing the Initiation Position of Geophysical Exploration Charges
By E. McCullough, D. Preece, M. Ortel
Geophysical explosive charges are used in mineral resource exploration. They are detonated subsurface and radiate sonic waves into ground monitors, which detect the vibration waves and their interacti
Jan 1, 2013
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Florida Mining Blast Vibration Study Part 2: Current Regulations in Florida
By Tristan Worsey, Nathan Rouse
The Florida legislature allocated funding for the Florida State Fire Marshal (FSFM) to review the applicability of the United States Bureau of Mines (USBM) Report of Investigations (RI) 8507 blast vib
Jan 1, 2019
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Florida Mining Blast Vibration Study Part 4: Conclusions and Recommendations
By Tristan Worsey, Nathan Rouse
Florida legislature allocated funding for the Florida State Fire Marshal to review the applicability of the United States Bureau of Mines (USBM) Report of Investigations (RI) 8507 blast vibration limi
Jan 1, 2019
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Mining Industry and US Government Cooperative Research: Lessons Learned and Benefits to the Mining Industry
By Robert Martin, Brian W. Stump, David P. Anderson, W Scott Philips
Since 1994, various mines in the US have cooperated with research scientists at the Los Alamos and Lawrence Livermore National Laboratories to address issues related to verification of the Comprehensi
Jan 1, 1997
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Cap Precision in Perimiter Control Blasting and the Potential Application of Electronic Detonator
By Derek T. Novotny
Blasting cap precision is of major importance to advanced blast design. New technologies have introduced the use of microchips within detonator casings in the hope that the electronic control of the t
Jan 1, 1998
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Natural Causes vs. Blasting Damage (0f5bd837-c817-4297-aa85-2fe7a4624b9b)
By Earl C. Hutchison, Wade C. Hutchison
T 0 effectively evaluate property damage that is claimed to have been caused by blasting activities and in order to lay the proper foundation to build the best legal defense, identification of the act
Jan 1, 1995
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Small Diameter Explosives - Choosing for Underground Blasting Applications
By S J. Brace
About 180 000 tons of explosives are used annually underground in South Africa. Most is loaded into holes less than 50mm in diameter. 75% is consumed in the gold and platinum mines where holes are bet
Jan 1, 1994
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Field Applications and Quantification of Electronic Detonator Technology (f6aba4f2-0ecc-4a09-a9b0-132d9c5ded54)
By Douglas Bartley, Brian Wingfield, Robert McClure
Recent studies and limited tests indicate favorable results utilizing high accuracy electronic detonator technology over conventional non-electric pyrotechnic systems. This study discusses the applica
Jan 1, 2000
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Pre-Blast Surveys; a Public Relations and Claim Reduction Tool (b114a2f5-7740-4145-afd2-f7ffc2af0fcd)
By David Harrison, Edward J. Walter, Meitra Ferek
Agreat tool in the prevention of blasting complaints and subsequent damage claims. In today’s highly competitive industry, we are always looking for ways to become more cost effective. This article in
Jan 1, 1995
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Problems in the Russian Blasting Industry
By Boris Belenky, M M. Graevsky, R I. Semigin, A E. Frantov
"In the mining industry, most of stripping and rock fragmentation is performed by blasting. The academician N.V. Melnikov has projected that blasting methods would be used to crush 20% of soft rocks a
Jan 1, 1995