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Confiner Strength and Thickness Effects on Detonation Characteristics of Emulsion Explosives
By D. Lynn Gordon, Larry B. Weston, Michael W. Manhart, Patrick R. Bowden, Michael W. Redmond
Study of confinement effects on detonation characteristics and subsequent fitting form development as a function of confiner strength and thickness.
Feb 1, 2020
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Aquarium Tests to Study the Detonation Behaviour of a Non-ideal Explosive.
By M. Araos
Non-ideal explosives can be characterised by different methods like velocity of detonation measurement, double pipe tests, underwater tests, aquarium tests, etc., to name a few. Both aquarium and velo
Jan 1, 2024
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Harmonic Delamination of Nuclear Structures
By Frederick B. Kuhnow
Harmonic energetic delamination a building is being considered for demolition at a formerly known atomic power lab. The building is within a containment structure under a negative pressure, so that no
Feb 1, 2020
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Journal: From the Executive Director / The Explosives Industry and the New Economy / ISEE’s 35th Anniversary marks economic challenges
By Jeff Dean
As the Society celebrates its 35th year as an explosives industry association, it is clear that we are part of an industry that covers many sectors of economic activity. We are the voice of those who
Jan 1, 2010
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Cold Detonation Physics: A New Field of Non-Toxic Nitrogen-Free Explosives
By D. Swanson
Cold Detonation Physics (CDP) is a patented new field of explosives and the name for the explosive that is produced when non-toxic dry ice (frozen carbon dioxide) is combined with powdered metals such
Jan 1, 2024
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Drill Monitoring & Navigation Systmes at BHP Billiton's Navajo Mine
By John Vynne
BHP’s Navajo coal mine installed drill monitoring and high precision navigation systems on their three overburden drills during 2002 and 2003. Details of the DrillNav system hardware and reporting sys
Jan 1, 2007
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EU Type Certification of Non-Standard Electronic Initiations Systems used in Blasting at Mines and Quarries
By Matthew Clay, Colin Chambers, Susan Hookham
Opencast (quarries) and underground mines around the world use blasting methods to mine valuable ore. Traditional blasting systems use technologies such as electric delay detonator systems (developed
Jan 1, 2017
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Journal: Recent Projects / Dekalb County, Georgia CBI Assists County with Mock Disaster Training
Controlled Blasting, Inc. (CBI) located in Norcross, Georgia recently teamed with the Dekalb county fire marshals office to stage a mock disaster to test new trainees of Community Emergency Response T
Jan 1, 2010
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Reducing Blast Vibration Amplitudes Close-In to Structures of Sub-Standard Construction
By Enrique Munaretti, Cathy Aimone-Martin, Vitor Rosenhaim, Jair Koppe
Production blasts at one of Copelmi’s coal mine operations will be carried out 100 m (330 ft) from a neighborhood located in the town of Butiá, southern Brazil. Mine management is concerned about the
Jan 1, 2013
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Automatic 3D Fragmentation Analysis from Drone Imagery
By Andreas Gaich
A new 3D fragmentation analysis method for muck piles is presented. It works with aerial imagery from UAVs (drones) and handles entire muck piles with minimum user intervention.
Feb 1, 2020
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Use of Basic Statistics for the Overlapping Timing Analysis of a Single Blast Hole
By Lifent Li, Jhon Silva-Castro
Since millisecond-delay detonators were first introduced, at least two variables, among others, have been more closely considered when timing a mining blast: the accuracy and the precision of the init
Jan 1, 2015
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Blasting, Material Flow & Ore Dilution in Sublevel Cave Mining; State-of-the-Art Review
By Ayman Tawadrous
Cave mining offers a flexible technique to exploit large, low grade, deep ore bodies with low operating costs. It is typically done in either a top down approach; i.e. sublevel caving, or in a bottom
Jan 1, 2015
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Underwater Blast Pressures From A Confinded Rock Removal During The Miami Harbor Deepening Project
By Terri Jordan, Gregory Hempen, Thomas Keevin
Water-borne blast pressures from confined blasts were recorded as part of a submerged blasting program in Florida for channel deepening. The blasting was confined within the rock floor by stemming. Sh
Jan 1, 2007
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Mitigation of Accelerations on Vehicles Subjected to Buried Mine Loading
By Jarrod Bonsmann, Zachary T. Plitt
"A surge in mine related deaths in Middle Eastern conflicts over the past few years has prompted research into the mitigation of the impact on a blast loaded vehicle. In past military conflicts, it ha
Jan 1, 2016
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Geospatial Modelling Methods to Incorporate Subdrill in Powder Factor Calculation and Mine to Mill Analytics
By Stephen Mansfield
In open-pit mining operations, the drill and blast processes have a significant impact on the downstream operational performance of crushing and grinding of ores and recovery of metal. The blast patte
Feb 6, 2023
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Journal: 100 Years / Arms & Explosives London October, 1909
By Robert Hopler
Testing Stations Abroad At the Seventh International Congress of Applied Chemistry, Drs. Mente and Will communicated a paper on the above subject. All large coal-getting countries employ testing stati
Jan 1, 2010
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TNT Equivalence and Fragmentation Mechanisms of High Pressure Gas Fracturing Technique
By Baohua Guo, Xuelin Yang, Tingkan Lu, Hailin Sun
The work presented in this paper mainly involves two parts. Firstly, the fundamental characteristics of the high pressure carbon dioxide gas fracturing technique (CO2 technique), including, a proposed
Jan 1, 2017
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An Experimental Method of Determining Explosive Equivalency When Scaled Distance Approaches Zero
By R. Hazael, R. Alford, R. Critchley
The ability to compare explosives is fundamental. Numerous methods are used and while simple conversion factors are often used, the use of TNT Equivalency (TNTe) is not a simple subject as explosives
Jan 1, 2024
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Response of Un-Cracked Drywall Joints and Sheets to Blast Vibration and Weather
By Jeffrey Meissner, Charles Dowding
Cracking is one of the concerns cited by owners of structures adjacent to construction or mine blasting. During the past decade a large number of measurements have documented the low level of crack re
Jan 1, 2011
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Experimental Studies to Investigate Small Scale Explosive Loading Using Visualization Techniques
By L C. Taylor
Both the U. S. Navy and the U. S. Army are interested in knowing more about the loading applied to vehicles which are unfortunate enough to encounter a detonation of a buried mine in the course of per
Jan 1, 2016