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Electronic Detonators Technology of the Future
By Aloke Verma, R. Singh, S. Jana, C. Sawmliana, P. Pal Roy
On July 21, 2004, a trial blast using electronic detonators was conducted in India for the first time in an opencast mine at Pundi-E Quarry of TISCO, West Bokaro. Orica-IEL conducted the test using el
Jan 1, 2006
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Improving Productivity at Farco Mining of Texas Using Emulsion/ANFO Blends
By Nick Lewis
Farce Mining of Texas is a surface coal mine located in Laredo, Texas. Farce mines and sells approximately 600,000 tons /year of bituminous coal. A map showing the location of Laredo is provided in F
Jan 1, 1994
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Alternative Velocity Loading Techniques and Detonations in a Production Environment
A simple and cost effective technique to increase fragmentation and burden velocities without making major modification to the overall blast design is with ALTERNATE VELOCITY LOADING OR BOOSTERING OF
Jan 1, 1989
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Quake, Quarry, or Quack
By Dominic Orf, Gregory Poole
On December 12, 2018 at 4:14 AM EST, an earthquake registering a 4.4 magnitude on the Richter Scale occurred in central Tennessee. According to a survey posted on the USGS website, this earthquake was
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Desensitization and Malfunction of Cap-Sensitive Explosives and Delay Detonators (3c055ade-7146-4060-a860-4133718a0454)
By Michael S. Wieland
This report focuses on the U.S. Bureau of Mines research regarding desensitization and malfunction of delay detonators and cap-sensitive explosives. Delay blasting in underground coal generates tremen
Jan 1, 1992
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History of the Development and Use of Bulk Loaded Explosives, from Black Powder to Emulsions (4e042d52-81d4-408b-9ff9-49bce6caf7ef)
By Robert B. Hopler
Emplacing explosives in the borehole by bulk methods is utilized today for about 35% of all of the explosives used in the United States. Although different from today's methods, some bulk emplacement
Jan 1, 1992
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Desensitization and Malfunction of Cap-Sensitive Explosives and Delay Detonators
By Michael S. Wieland
Charge malfunction problems result from rather universal damage mechanisms and are widespread throughout surface and underground delay blasting. Recent refinements in instrumentation technology reveal
Jan 1, 1994
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Generating Site Specific Custom Blast Designs with Modern Blast Monitoring Instrumentation Systems
The common approach of designing blasts on a trial and error basis is quickly coming to an end. When utilizing the full scale blast environment, trial and error can quickly become cost prohibitive and
Jan 1, 1991
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The Role of Particle Size and Shape on the Propagation of Reaction in Explosive and Pyrotechnic Formulations
By James L. Austing, Allen J. Tulis, Ronald Pape, Ronald G. Draftz
In a certain sense, the explosives industry began in the 13th century with the invention of black powder, which is an intimate mixture of sulfur, carbon black or charcoal, and potassium or sodium nitr
Jan 1, 1995
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Blasting to Reduce Ore Dilution - Are You Kidding?
By Brad Bulow
Blasting is an essentially violent process aimed to disrupt and loosen rock for productive excavation. Some dilution of any ore present is the inevitable result. This makes blasting a dirty word to mo
Jan 1, 2000
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A New and Reliable Technique for Safely Removing Underground Rock Hang-ups
By Brian Micke, Mick Gavrilovic
The problem of rock hang-ups in underground mining operations has been a continuing one since the days of the “hang-up man”. This position commanded the highest pay of any underground worker in many h
Jan 1, 1999
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Accublast Detonator - A New Era of Precision in All-Electric Detonators
By W B. Gregg
The rock blasting and mining industries use a system of detonators and explosives for mining operations. Many detonators use small metal bridgewires, which are heated by passing a current through the
Jan 1, 1994
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New Affordable, High-Sped, Solid State, PC Based Video Imaging Systems and Software
By Don W. Lake
Of all the blast monitor& instrumentation systems and techniques av&able today, highspeed photography and videography remain as the most valuable, stand alone, diagnostic techniques to evaluate full s
Jan 1, 1992
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Impact of Blasting on Downstream Process to Maximize the Profitability of Mining Industries
By Kyle Wagner, William Joa, Colter Angell, Catherine Johnson, Marty Langenderfer, David Doucet
The goal of any business is to seek the maximum profitability for the organization through optimization the use of resources, processes and the application of new technologies. An analysis of various
Jan 1, 2019
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Application of New Explosives Technologies in Australian Conditions
By Alastair C. Torrance
"A brief review of the Australian mining industry is given followed by a more detailed treatment of a study of the influence of primer Size on explosive performance. This is based on a joint research
Jan 1, 1991
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Immediate Internet distribution of vibration data from the historic Byward Market, Ottawa, Canada
By Robert Lee, Jeff Corace, Rob Cyr
Blasting in the heart of the historic Byward Market District of Canada’s capital, Ottawa, presents a unique set of challenges. The obvious difficulties arising on projects requiring blasting within 3
Jan 1, 2006
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Underwater Explosions Part 4. Signal Damping
By M. Hagfors
On the underwater testing of explosives, the measuring system consists of water filled test pond, tourmaline based pressure sensor, measuring cable and measuring unit, which supplies the DC current to
Jan 1, 2006
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An Examination of the Factors Affecting the Loading on a Vehicle Subjected to the Detonation of a Buried Mine
By Jarrod Bonsmann
"This paper presents the results of small scale testing to examine the effect of various importantparameters on the response of a vehicle due to the detonation of an explosive charge buried inthe soil
Jan 1, 2012
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Digital Detonators keep PA Coal Mine Operating
By Douglas Bartley, Jay Elkin
The state of Pennsylvania was at one time one of the leading coal producing states in the east. However, legislation and industry trends over the last 10 years have adversely affected the amount of bi
Jan 1, 2003
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The State of Human Annoyance at Blasting Works in Accordance with Environmental Conditions under Inclusion of Standards
By Rolf Schillinger
Blasting activities on the surface or underground necessarily involve the most sensitive aspect of environment remediation, human response or annoyance. Such effects are unavoidably characteristic of
Jan 1, 2006