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Predicting the Envelope of Damage Resulting from the Detonation of a Confined Charge (f7227bf9-6568-4211-b2c2-9f028c1f10ec)
By T Michael LeBlanc
Drill trajectory deviation is a recurring problem in vertical retreat stoping operations. As a result of this deviation, 60 kilogram (165 millimetre diameter) and 103 kilogram (302 millimetre diameter
Jan 1, 1996
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Vibration Control and Seismic Analysis of the Kneeling Nun Rock Pinnacle Adjacent to the Santa Rita Pit, New Mexico
By Mike Wheat, Catherine Aimone-Martin, Brandon Pease
The Kneeling Nun rock pinnacle is a prominent landmark, 90 ft in height and 35 ft in width, that resides on a bluff overlooking the Santa Rita pit at the Chino Mines Co. operations near Silver City, N
Jan 1, 2000
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Analysis of Measurements Results of the Ground Vibration Induced By Blasting During the Tunneling for Istanbul Subway in Turkey
By Gungor Tuncer, Ali Kahriman, Abdulkadir Karadogan, Simav Bargu, Savas Gorgun, Derya Kucukbrtem, Esat Tansev
Although many research studies had been carried out in the past in order to eliminate environmental issues produced from blasting unfortunately a general approach or formula has not been established y
Jan 1, 2002
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Electronic Detonators: Delivering the Advance in Hong Kong
By Ashlin Pillay, Osamu Iwata
Hong Kong is ranked as the world’s third most important international financial hub and attracts significant growth and development annually. The city is also known as the world's most vertical city,
Jan 1, 2015
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The Importance of Internships for Explosives Engineering Students
By Paul Worsey, Gillian Worsey
The explosives industry is about to reach a critical turning point in human resources. The average age of employees of the largest US explosives company is over 50 and an estimated 5,000 engineers are
Jan 1, 2014
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The Electronic Detonator, Security, Handling, Effectiveness and Geophysics
By Detlef Sulzer, Winfried Rosenstock
"At the end of this century a great breakthrough in the field of blasting technology is finally going tobecome reality. That, in the true sense of the word, is the long expected and desired “HighTechn
Jan 1, 1999
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The Desensitization and Malfunction of Coal-Mine Explosives
By Michael S. Wieland
Underground coal-mine explosives (permissibles) can be substantially degraded by the underground stress waves from the explosion of neighboring borehole charges. This cross-borehole interaction genera
Jan 1, 1987
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Explosive Demolition of Coolign Towers in the Netherlands
By B de Raadt
After discussing mechanisms of collapse for the explosive demolition of towers in general and cooling towers in particular, author comments upon a blasting operation in which four cooling towers were
Jan 1, 1978
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The Effects of Confinement on Fragmentation and Movement
By Les W. Armstrong, Stephen B. Richardson, Neville T. Moxon
A study was carried out to determine how different degrees of stemming confinement, that is the retention of the explosives gases, effects fragmentation and movement during blasting.
Jan 1, 1993
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State-of-the-Art Explosive Void Measurement System
By J P. F Warkentin, A W. Bauer
Recently, significant improvements have been made in both blast design methods and blasting accessories. The introduction of extremely accurate blast delays now allows proper implementation of advance
Jan 1, 1991
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Exploring the effectiveness of explosives for avalanche control
By Josephine Bones, Robb Larson, Daniel Miler
Avalanches are commonly mitigated through the use of explosives at ski resorts and above transportation corridors. Surprisingly, very little research has been conducted on snowpack response to explosi
Jan 1, 2012
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Controlled Blasting at the Tom Kite Golf Course
By Mark Odell, Bruce Northrup
In the hill country of Austin, Texas, Tom Kite has designed a golf course to be built in conjunction with a housing development entitled "Riverplace". The topography in this area is almost solid limes
Jan 1, 1985
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Preparation - The Key to a Good Legal Defense
By G Alan Foster
The presence of approximately 600,000 attorneys in the U.S.A. and the determination by the courts that blasting is considered an 'ultra hazardous' activity makes every practical blaster aware that at
Jan 1, 1982
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Oil & Gas Well Perforating the Other Explosive Industry
By Richard Arsenault
The production of oil & gas from wells requires method of flow from the producing formation into the well bore. Once the well is drilled it will have casing pipe installed to protect the integrity of
Jan 1, 2007
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The Effect of Available Energy on Blast Design
By Lyall Workman, P D. Katsabanis
Energy released by the explosive is typically partitioned in brisance, heave and losses. The fact that energy released in the P-V expansion curve below a certain point is lost has resulted in the conc
Jan 1, 1998
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The Measurement of Detonation Waves in Composite Explosives
By C De La Cruz
The use of a thin-film piezoelectric stress gauge to determine the pressure profile in a detonating explosive has been demonstrated. These PVDF gauges have measured, in the borehole, the Chapman-Jouge
Jan 1, 1997
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The Use of Air-decks in Production Blasting
By S B. Richardson, R E. Danell, D Mead, N T. Moxon
Explosives provide a very concentrated source of energy which is often well in excess of that required to adequately fragment the surrounding material. Blast design, environmental requirements, produc
Jan 1, 1993
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Geologic Data for Blasting at the Minntac Mine
By John Eloranta
This paper is a case study showing the assembly of available rock property parameters for the purpose of blast design. Blast optimization now includes subsequent milling and requires a full knowledge
Jan 1, 1996
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The Role of Blast Operations in Metal Mining
By Jack Elorenta
A recent forum of mine operators revealed a continuing strong interest in alternative methods of freeing rock. A Rand Corporation report lists a continuous mechanical machine that would replace drilli
Jan 1, 2002
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The Efficiencies of Cast Blasting in Wide Pits
By Marlyn G. King, Robert L. Martin
Blasting activities in all four pits at Thunder Basin Coal's Black Thunder Mine are focused on cast blasting. With widths varying from 190 feet to 265 feet and bench heights varying from 90 feet to 17
Jan 1, 1995