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Effect of Surface Roughness of Charge Hole on Detonation
By Fumihiko Sumiya, Kunihisa Katsuyama, Yuji Ogata, Yuji Wada, Yukio Katoh, Yoshikazu Hirosaki
In our previous work, the results of photographic observation using a high speed framing camera showed that the difference between precursor air shock wave velocity and detonation velocity was primary
Jan 1, 1996
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The Potential for Unifying Drilling, Blasting and Downstream Operations by the Application of Technology
By Lyall Workman
"Many new technologies, useful to the mining and quarrying have recently come to market. Some are applicable to drilling and blasting operations. Others apply to subsequent mining unit operations and
Jan 1, 2001
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Vibration Effects on Underground Concrete Structures
By Frederick Kuhnow
In open pit blasting, energy is released and transmitted through the geology. Negative effects can impact operations and can affect mine production. This paper presents recommendations for blast desig
Jan 1, 2014
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Utilization of Near-Source Video and Ground Motion in the Assessment of Seismic Source Functions from Mining Explosions
By Brian W. Stump, David P. Anderson
Identification of seismic events detected under a Comprehensive Test Ban Treaty requires a clear physical understanding of the different types of seismic sources including mining explosions, rock burs
Jan 1, 1995
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The Neural Net Model of Optimizing Selection on Preparation of Powdery Emulsion Explosives
By Duan Baofu, Wang Xuguang, Song Jinquan
In this paper, the model of optimizing selection on preparation of Powdery Emulsion Explosives(PEE) is established by the Neural Net Theory(NNT). On the basis of some data in the study of PEE, the tra
Jan 1, 2003
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Blast Movement Measurement for Grade Control
By Ian R. Firth
For the majority of open pit precious metal mines in the western United States, grade control practices have evolved as a direct result of the variable geology of the ore body and the lack of a clear
Jan 1, 2002
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A Definition of Criteria Required to Evaluate the Results of Production Blasts
By Norm Tienkamp, Normand Martineau
Through the normal course of operation, mine operators are living situations where blast results need to be measured. It becomes the supervisory group responsibility to select evaluation parameters wi
Jan 1, 1996
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Environmental Impact Statement for Mining with Explosives: A Quantitative Method
By Roberto Golchi
This article describes the method used to quantify the Environmental Impact for the mining, by drilling and blasting, of a borrow pit for a gravity-dam. The affected environment was broken down into a
Jan 1, 2003
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An Empirical Method of Comparing Brisance of Various Bulk Explosives
By Neal Lee, Braden T. Lusk, Brendan McCray
"Selection of a blasting agent for optimum performance is based on many variables. Often, a decision is made with regard to product cost and field testing. Defining optimum performance can be difficul
Jan 1, 2017
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Preventing the next Terrorist Attack is a Shared Responsibility
By Joseph Kennedy
How do terrorists and other criminal bombers acquire explosives to be used in an attack against U.S property and/or citizens? The Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) with nearly
Jan 1, 2010
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Use of Electronic Initiation System in Urban Shaft Sinking Project
By Richard Turnbull, James Purssey
"The Northconnex Project is a twin nine kilometre tunnel in Sydney, Australia, linking the M1 PacificMotorway at Wahroonga to the Hills M2 Motorway at West Pennant Hills. Access to the tunnels will be
Jan 1, 2017
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Segregation Blasting Using Electronic Initiation at the Coeur Rochester Mine, Nevada
By Donald Wagstaff, D. Scott Scovire
The Coeur Rochester Mine is the largest primary silver surface mine in North America. Throughout its 17-year life, gold and silver grades leaving the tertiary crusher have typically been, on average,
Jan 1, 2004
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Influence of Environment on Explosively Driven Shock Waves in Air
By Joshua Hoffman, William Chad Wedding, Braden Lusk
The University of Kentucky employs an explosively driven shock tube in the course of experimentation. A good deal of the work completed relates to the verification of blast mitigation products and str
Jan 1, 2011
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MINIMIZING RISK IN URBAN QUARRIES (Two Case Studies)
By James Goldberg, Sally Zadra, Wiliam Reisz
Early recognition and risk assessment is critical to sustaining a safe and productive blasting operation. While every blasting environment holds inherent risk, highwall blasting in highly congested ar
Jan 1, 2008
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Blasting a Diversion Tunnel through the Abutment of a "Meta-Stable" Dam
By Jennifer Williams, Donald J. Berger
Originally built between 1913 and 1916, the Ashton Dam & Hydroelectric Facility has experienced various seepage and piping incidents since completion. Ashton Dam is located within 15 miles (24 km) of
Jan 1, 2014
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Operating Improvements at Vulcan Materials McCook Quarry using Electronic Detonators
By Nick Lewis, Paulo Pereira
The Vulcan McCook quarry has been in operation for about 100 years. It is located about 17 miles from downtown Chicago and is surrounded by both industrial and private structures. Recent issues have f
Jan 1, 2003
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Novel Emulsion Explosives Technology and Application
By Dale Ramsey
Emulsion explosives have become the product of choice for many blasting applications and are not limited to just extreme wet hole conditions or special application environments as in the past. Today’s
Jan 1, 2000
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Comparison of Recent and Past Blast Induced Pipeline Strain Responses
By Travis A. Davidsavor, Charles Dowding, David A. Provost, Yonggang Gou
This paper compares measured blast induced strains on operating, full scale, buried pipelines with three similar past studies. The recently performed study represents realistic and modern pipeline bla
Feb 1, 2020
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Iron Ore Company of Canada (IOCC) Blast Optimization with Emulsion Explosives
By M Lemieux, R Mason
The SABREX blast modeling program was introduced to I.O.C.C.'s Carol Lake Iron Ore Project in December 1987. As part of CIL's Technical Services, SABREX was used to implement an optimization program d
Jan 1, 1989
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Blasting Vibrations Control: The Shortcomings of Traditional Methods
By Thierry Bernard, Pierre M. Vuillaume, Michel Kiszlo
"In the context of its studies for the trench ministry of the environment and for the French national coal board, INERIS (the French institute for the industrial environment and hazards, formerly CERC
Jan 1, 1996