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Aluminized Blasting Agents
By Albert G. Funk, Gary M. Thornley
The available energy of aluminized ANFO and aluminized slurry blasting agents has been measured by seismic methods, calculated theoretically, and compared. With aluminized ANFO it is concluded that al
Jan 1, 1981
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Wave Analysis and Determination of Interference Times to Minimize the Impact of Vibrations
By Carlos Pañura, Michael Geldres, Alejandro Rojas
The vibration waves are produced by the detonation of the explosive charges of each blasthole, analyzing the vibration waves produced by each blasthole, allow us to determine the optimal time between
Feb 1, 2020
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Impact Sensitivity of Detonators
By Paul Worsey, Randall Franklin
This paper is based on an undergraduate research project undertaken for the explosives emphasis in the UMR mining engineering degree program by the first author. The purpose of the selected research t
Jan 1, 2004
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Design and Construction of an Electric Oven to Determine the Detonation Temperature of the Fulminant
By Alexander S. Escalante, Luis R. Ramirez, Nelson A. Arostegui
Research, analyze, discuss, design, and build an electric oven to perform one of the quality control tests the fanel or common fulminers to determine what temperatures they can detonate at. Give pract
Feb 1, 2020
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Journal: The Agricultural Blaster E.I. duPont de Nemours Powder Co. Wilmington, Delaware May, 1912. Practical Advice from a Successful Blaster.
By Robert Hopler
Complying with our request in the February issue of the AGRICULTURAL BLASTER for items that would be of interest to other blasters, Mr. Thomas H. Benton of Tennessee sends us an article in which his m
Jan 1, 2013
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Demonstration that an Efficient Blast Depends as Much on Easy Mucking as on Good Fragmentation
By R. F. Favreau, Patrice Favreau
"Ever since we have started to assist those responsible for blasting with blast simulation studies, we havebecome aware of an interesting aspect, namely that in 90 % of cases we are asked ‘‘Can you se
Jan 1, 2017
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Pressure Irregularities in the Loading of Vehicles by Buried Mines
By Leslie Taylor, W. L. Fourney, Uli Leiste
Over the past few years, our laboratory has been investigating the loading on vehicles due to the detonation of buried explosives. We have been using target plates to represent the bottom of the vehic
Jan 1, 2008
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Complete Computer Simulation of Crater Blasting Including Fragmentation and Rock Motion (2000 International Society of Explosives Engineers)
By Dale S. Preece, Lee M. Taylor
Computer simulation of the physics involved in conventional rock blasting can be split into two phases; transient stress wave propagation and rock motion. Because the two phases involve totally differ
Jan 1, 1989
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The Art of Communication and Business in the Explosives Industry
By Joseph Meyers
Explosives techniques and technology are constantly evolving and improving, yet basic communication and business skills are not being used regularly. Many potential blasting projects never occur due t
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Blast Control Using Accurate Detonators
By P D. Katsabanis, K Steeves, D Dombrowski
Accurate electronic detonators with firing time accuracy within 100 microseconds of the nominal have been used to control blast results in terms of fragmentation, vibrations and wall control. Axisymme
Jan 1, 1995
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Innovative Blasting Practice at Sands Hill Coal Company
By Michael J. Burrell
Sands Hill Coal, located in Wellston, Ohio produces coal for steam generation and crushed limestone for the aggregate market in southeastern Ohio. This paper concerns the blasting and production of th
Jan 1, 1990
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Blasting Related Aggregate Size Optimization
By John Cory, Ran Tamir
Blasting data analytics are being increasing used to increase mining productivity, reduce mining costs, maximize high margin aggregate products, and to reduce fines. Three examples will be illustrated
Jan 1, 2012
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Determination of Blast Vibration Limits by Direct Strain Measurement
By Adrian Moore, Alan Richards, Andrew Brodbeck
Structural blast vibration limits should be based on the strength of the structure, the stress induced by blasting, and a responsible factor of safety. In this paper a methodology that uses direct str
Feb 1, 2020
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Fragmentation and Throw due to Blasting – Role of Initiation Systems
By K. Ram Chandar, Vedala Rama Sastry
Fragmentation and muck pile profile together play an important role in optimizing the excavation costs for given geo-mining conditions. Initiation system is one of the vital parameters influencing the
Jan 1, 2008
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Control of air overpressure from quarry blasting? - It about time.
By Shazad Hosein, Rob Farnfield, Bill Birch, Liam Bermingham
The propagation of a shock wave through air as a result of quarry blasting consists only of one type of wave, the compression wave. This is in marked contrast to seismic waves where a number of differ
Jan 1, 2012
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Analysis and Visualization of Drilling and Blasting Data
By M Siefert, P Moser, T Oberndorfer
"The EC-project ""Blasting Control"" with partners from France, Austria, Italy and Greece dealt with the development of a diagnosis system, which enables blasting experts to investigate in detail on p
Jan 1, 1996
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Massive Blasting in Chuquicamata Mine
By Sergio Segovia Parra, Victor Hernan Sheen Uriol
This contribution of the concept of mass blasting both closing and production allows breaking paradigms, to limit the number of tons to thunder. The areas of geotechnical different mining large mining
Jan 1, 2015
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Development of an Ultra Low Density Reactive Agent
By Guillermo Silva
A novel, ultra-low density explosive composition, particularly suited for wall control and other applications requiring customising of the explosive’s energy output, has been developed. Being reactive
Jan 1, 2000
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Blast fragmentation model to increase mill productivity and optimize resources based on the Mine to Mill Methodology
By A. Ribeiro
The effective utilization of resources and process optimization play a crucial role in the sustaining and growth of overall businesses. This principle holds true in the mining sector, where particular
Jan 1, 2024
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Derivation of Fracture Intensity from Measured Fragmentation
Prediction of fragmentation in Taconite Mining is an important aid to blasting engineers. A simple theory relates the intensity of radial fracture per unit length to distance from the borehole, from w
Jan 1, 1996