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Spectral Division Deconvolution of Blast Vibration Signals for Signature Estimation
By Lifeng Li, Jhon Silva-Castro
"Signature Hole Technique is one method to assess the vibration waveform of a production blast.Methematically, it is the convolution between a prior measured waveform of a single blast hole (signature
Jan 1, 2017
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Blasting Optimization Using Autonomous Fragmentation Monitoring System
By B. Corrêa, M. Cavalcante
A large open pit iron ore mine in Brazil, which has a heterogeneous lithology, faces a challenge in defining drill and blast patterns to achieve the expected results. The mine needed to obtain an aut
Jan 1, 2024
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Numerical Design Optimization of Electric Discharge Impulse Crushing Method
By Hideaki Kitajima, Daisuke Fukuda, Kazuma Moriya, Katsuya Sasaki, Katsuhiko Kaneko
The purpose of this research is to analyze the fracture process and achieve design optimization of a splitting method for concrete and rocks termed the electric discharge impulse crushing method (EDIC
Jan 1, 2011
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Advantages of EFI Based Detonator Technology in Commercial Blasting Applications
By Richard Givens, Thomas Baginski
Technological advancements in warhead designs and implementations have driven the development of arrayed initiation networks of highly accurate, highly reliable, and extremely safe detonators. Recent
Jan 1, 2011
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Trim Blasting Designs in the Morenci Mine
By Karl Christopherson, Vanessa de Viterbo
Trim blasting is an integral part of the mining processes at the Morenci Mine, a Freeport-McMoRan Copper & Gold Inc. property. Trim blasting near high-walls or Finals blasting requires a tighter distr
Jan 1, 2011
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Rock-to-Sensor Transmissibility of Vibrations
By L. M. Lopez, J. A. Sanchidrian
This work investigates the performance of some of the measurement techniques used in vibrations from blasting monitoring. Two tri-axial geophones with cases of different size, shape and mass were test
Jan 1, 2014
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Large-Diameter AN-FO Priming Techniques
By Richard A. Dick
Few topics in the blasting industry are more controversial than the proper riming procedure for large-diameter ammonium nitrate-fuel oil (AN-FO) charges, despite the considerable amount of research th
Jan 1, 1976
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Explosive Induced Damage Potential to Earthfill Dams and Embankments
By D O. Doehring, W A. Charlie, W A. Lewis
The detonation of explosive charges releases large quantities of energy that can produce rock and soil deformations far from the detonation point Extensive data are available on blasting in general an
Jan 1, 1987
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New Horizons of the Engineering of Blasting in Service of Productivity: Selective Sequencing
By Matias Suarez, Diego Zenteno
It is known that the introduction of electronic timing in the sequencing of blasting has changed the vision and way in which mining is developed. It is possible to deal with more complex and sophistic
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Blasting Techniques to Prevent Coal Loss and Damage
By Visitor Makiyi, Chris Batten
Poor coal recovery due to coal damage or loss caused by blasting can have a significant impact on a mining operation. Increasing coal recovery by reducing blast damage can provide a significant opport
Jan 21, 2025
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Investigation of Ground Vibration Induced by Blasting at Hisarcik Boron Open Pit Mine in Turkey
By Gungor Tuncer, Ali Kahriman
This paper presents the results of ground vibration measurements carried out in Hisarcik Boron open pit mine located on the west side of the central Anatolia near Kütahya province in Turkey. Within th
Jan 1, 2006
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New Model for Realistic 3D Blast Simulation
By Thierry Bernard
To be able to precisely predict the result of a mine blast before pressing the button is a goal for many blasters due to the environmental and economic constraints of our century. Based on the fundame
Feb 1, 2020
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Survival Guide For The Blaster in the 1990's
By John W. Brown
During the summer of 1994 the mining industry experienced numerous accidents involving blasting related incidents. The Tri-State Chapter of Explosives Engineers planned a meeting to discuss three of t
Jan 1, 1995
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A Method to Measure Detonation Front Curvature of Emulsion Explosives
By Nikolaos Petropoulos, Ulf Nyberg, Ulf Stenman, Daniel Johansson, Håkan Schunnesson
The optimization of the explosive performance is of great importance since blasting is extensively used in civil projects and mining industry. An improved understanding of how the energy from the deto
Feb 1, 2020
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Opportunities for Improved Safety and Mining Economics
By Zhao Jie, Christopher G. Smith
Commercial explosive use in China has been dominated by powdered AN-TNT mixes. Water gels and emulsions are now gaining market acceptance because they offer potential for better performance. Although
Jan 1, 1997
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A Method for Site-Specific Prediction and Control of Ground Vibration from Blasting
By Andrew P. Ritter, James W. Reil, Douglas A. Anderson, Stephen R. Winzer
We have developed a method for predicting and controlling ground vibration from blasting using a rigorous scientific approach. The method is based upon the superposition of seismic waveforms generated
Jan 1, 1985
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Flyrock Model Validation and Application
By C. K. McKenzie
Presents outline of flyrock model and a field procedure to validate predictions of maximum projection distance. Field results are presented from 13 field tests with two different hole diameters.
Feb 1, 2020
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Measuring Blast Induced Damage by Applying the MASW Geophysical Method
By Charles Zdazinsky
Many blasting applications in the mining industry demand that the hard rock being blasted remains structurally competent. For example, pre-splitting is a common technique to reduce fracturing, and ope
Jan 1, 2011
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Signature Hole Analysis and Vibration Modeling: An Indonesian Case Study
By Wawa Jaka Sungkawa, Slamet Rachman Jaka, Tom Dermody
A project was undertaken to research and develop a method to confidently predict vibration. It was decided that the scaled distance formulas were not adequate to predict vibration when using non-elect
Feb 1, 2020
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The Effect of Faults, Delay Time and Scaled Distance on Vibration Parameters
By Enver Alan
In this study of applied explosives engineering the blasting applications are evaluated, which were carried out for research and development purposes at Yenisahra Station tunnels in Kartal Formation w
Feb 1, 2020