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Density Monitoring of Bulk Emulsion Explosives in Confined Boreholes
By Felipe França Sitonio
Parameter’s control of explosives used in blasting operations have become more relevant over the years, bringing a better understanding of detonation performance. Giving into consideration that bulk e
Feb 2, 2020
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Blast Design for Fragmentation of Anisotropic Rock Mass in Surface Mines
By K Ramachandra Rao
Joints, fractures and other structural defects bring anisotropic character Into a rock mass. Conventional methods of blast design In a rock mass consisting phyllites, mica schist etc., which are chara
Jan 1, 1995
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Blasting Techniques for Pit Wall Control at Inco Limited's Thompson Open Pit
By Nan Lee, Stephen H. Chung, Peter Lienberger
INCO Limited's Thompson Open Pit has researched extensively into improved blasting techniques towards increased productivity as well as optimum pit wall protection. Blasting with excessive amounts of
Jan 1, 1992
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NOx Detection in Video Data Based on Ensemble Machine Learning
By Emmett J. Ientilucci, Martin Held, Xuesong Liu
Mining is crucial for advancing technology and science by providing essential resources and materials. Quarry blasting, a necessary process in mining, releases these resources and chemicals, driving r
Jan 21, 2025
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Design Criteria for Sequential Blasting
By A B. Andrews
The use of sequential blasting techniques that combine surface and in-thehole delays has provided blasters with increased flexibility in blast design to promote good rock fragmentation and displacemen
Jan 1, 1981
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Seismic study to understand the pre-splitting filter capacity
By Julio Cesar Barbosa de Freitas, Rafael Gonçalves Araujo, Túlio Soares, Jair Koppe, Augusto Ferraz Ribeiro, Pedro Barreto Garcia
This study thesis was motivated by the fact that it is of fundamental importance for open pit mining that the slopes initially have a geometry in accordance with what is proposed in the mining plannin
Jan 21, 2025
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Modeling Blast-Induced Damage in Open Pit Mines with Numerical Models
By Cristian Castro, Patricio Gomez, Jason Furtney, Augusto Lucarelli
Understanding the effect of blast-induced damage on wall stability is critical to safe and economical operation of a large open pit mine. In this paper, a numerical modeling methodology is used to inv
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Modeling Blast-Induced Damage in Open Pit Mines with Numerical Models
By Cristian Castro, Patricio Gomez, Jason Furtney, Augusto Lucarelli
Understanding the effect of blast-induced damage on wall stability is critical to safe and economical operation of a large open pit mine. In this paper, a numerical modeling methodology is used to inv
Feb 1, 2020
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A Kinematic Approach for Blast Modeling
By Ruilin Yang
Kinematic approach of blast modeling refers to using the velocity, strain, or displacement as controlling parameters to model blasting, rather than the stress and the material constitutive relations.
Feb 1, 2020
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A Rational Method for Predicting Damage to Historical Structures Subjected to Blasting Vibrations
By Kenneth Medearis
The accurate prediction of possible damage to historic structures subjected to blasting-related ground motions is not infrequently the dominant factor in whether or not a mining or quarrying operation
Jan 1, 1993
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A New Blasthole Location Error Detection and Compensation System for Open Pit Mines
By S. Klerkx, R Battulwar, J Valencia, J Sattarvand, E Emami, M. Soleymani Shishvan
A new technology for energy distribution optimization, supported by NIOSH.
Feb 1, 2020
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The Fundamentals of a Good Electronic Initiation System Program
By Thomas Barkley
Until the recent past, blasters have provided good to excellent results with tools and processes that have an inherent error. These errors can be found in drilling, explosives delivery quality and con
Jan 1, 2011
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Research and Application of HM (Hole-mixed) Truck for Emulsion Explosives
By Zhiwei Jiao, Ziqing Guo, Mushen Wang, Yueda Fang, Qiuming Tang
In order to achieve anti-terrorism, production safety, better explosive performance, lower cost, and environment protection, we developed HMS (emulsification in borehole).Long-process PM (plant-mixed)
Feb 1, 2020
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The Real Relationship Between Cracks and Vibrations: Are Cracks in Buildings Really Created by Vibrations?
By Thierry Bernard
It was in the 1980s that USBM published one of the first regulations to protect constructions from the effects of vibrations caused by mine blasts. Several countries have made their own regulations or
Jan 1, 2018
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Application of Strict Liabilty and Negligence to Blasting Claims
By Timothy D. Stark
Blasters are usually strictly liable for injury or damage caused by flyrock (trespassory invasion) and blast-induced vibrations (non-trespassory invasion). The application of strict liability to non-t
Jan 1, 2004
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Proactive Controls for Highwall Stability
By Trevor Ames
Highwall instability, and sometimes referred to as ground failures, historically are a consistent contributor of mine injuries and fatalities within surface mines. To combat this several efforts, incl
Jan 1, 2015
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Testing Environmental Guidelines for Subaqueous Blasting Operations
By A Lance McAnuff, Andrew Curic
Until relatively recently, underwater blasting operations for channel deepening, dock construction and pipeline crossings of lakes, rivers and streams were conducted without much regard for the potent
Jan 1, 1997
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Effect of Blasting on Impact Breakage of the Resulting Fragments - Results from Small Scale Tests
By P D. Katsabanis, S Kim
A number of small scale fragmentation tests have been conducted to analyze the effects of blasting effort on the grindability of granite, granodiorite, limestone and iron ore. Powder factors were modi
Jan 1, 2011
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Some Aspects of Design and Evaluation of Perimeter Control Blasting in Fractured and Weathered Rock
By Andrew F. McKown
Overbreak and damage to rock walls at the perimeter of rock excavation can lead to safety problems due to rock falls and additional costs due to a] extra mucking, b] extra concrete or shotcrete to bac
Jan 1, 1984
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Blast Design Analysis for Reduction of Boulders Production
By Michael Karmis, Syed Muhammad Tariq, Zeshan Hyder
This paper analyzes the blast design for lime stone quarries of two major cement plants in Pakistan. The production blast of these quarries was resulting in excessive boulders production. At some inst
Jan 1, 2012