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Inco Limited Upper Blind Slot Raise 8M (25') to 12M (40') Longhole Carbide Drilling (L.C.D.) Method
By Steven Richardson, E A. Cameron, Reza "Ray" Jambakhsh
This paper outlines the design and implementation of a method to use Long hole Carbide drilling to blast an "Upper Blind Slot Raise" in the range of 12m (40 ft).
Jan 1, 1992
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Ore guiding in underground mining using MWD and machine learning
By J. Sanchidrián, A. Fernández, P. Segarra
The combination of chemical analysis techniques as XRF and measurement-while-drilling (MWD) technology in underground mining is a novel approach to gather comprehensive on-line information about physi
Jan 1, 2024
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The Testing of Structures and Structure-combinations to be Applied as Explosive-proof Enclosure
By C. Heiss, A. Hofmann
Due to an explosion in an Austrian steel works during the basic oxygen process, the Chair of Mining Engineering and Mineral Economics at the Montanuniversitaet Leoben was assigned with the set-up of a
Jan 1, 2012
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Hole Diameter: Does it Affect Vibration Attenuation?
By Tyler Acorn, Paul Worsey, Nathan Rouse
The effect of the hole diameter on vibration attenuation has not been incorporated in most vibration models in the blasting industry. In current vibration models, the charge weight and the distance fr
Jan 1, 2013
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Pipe Fragmentation Analysis to Determine Characteristics of Improvised Explosives
By S. Geerts, J Davidson
The purpose of the experiment was to determine detonation characteristics of various improvised explosives. The test consisted of detonating a pipe filled with an explosive compound inside of a plywoo
Jan 1, 2011
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Factors Governing the Muck Pile Characteristics
By David Cheung, S. Paul Singh
"The characteristics of a blasted muck pile can have a significant effect on the productivity and economyof loading and hauling operations. Poorly fragmented and tight muck piles, caused by insufficie
Jan 1, 2017
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Implosions as Mitigations for Offshore Oil Disasters: Risk Decision Matrices
By Mohammed Alkazimi, Katie Grantham
The purpose of this paper is to quantify the risk to both the environment and surrounding infrastructure from a pipe sealing implosion. Both accuracy and the precision in determining how a submerged i
Jan 1, 2013
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The Importance of the Explosive Confinement
By Manuel Gutkrrez, Nasslo Gallardo, Arturo Cancec
The study done in Dofia In&s de Collahuasi aims to improve the fragmentation in one of the most difficult rocks to deal with in an operation, It is the Ignimbrita. In order to avoid ejections and to i
Jan 1, 2001
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Vibration Data Analysis to Optimize the Blast Design and Improve Shovel Productivity
By Luana Ferreira de Carvalho, Aurelio Manço Garcia, Gustavo Sampaio Lopes, Jose Silvio Corsini, Davi Bastos Martins de Oliveira
The Enaex Mining Technical Solutions (EMTS) team, in partnership with the Anglo American Iron Ore Brazil drilling and blasting team, has developed a study aiming to optimize the blast design applied a
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Vibration Data Analysis to Optimize the Blast Design and Improve Shovel Productivity
By Luana Ferreira de Carvalho, Aurelio Manço Garcia, Gustavo Sampaio Lopes, Jose Silvio Corsini, Davi Bastos Martins de Oliveira
The Enaex Mining Technical Solutions (EMTS) team, in partnership with the Anglo American Iron Ore Brazil drilling and blasting team, has developed a study aiming to optimize the blast design applied a
Feb 1, 2020
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JKVBOC Blast Movement Model Applications for Ore Control at Open Pit Mines
By Constanza Bujes, Mark Jones, Graham Crook, Yansan Jamyanbaatar, Sedat Esen
Tracking ore characteristics such as grade and hardness from its original position into the material handling and processing stages remains one of the key challenges in open pit mining of hard rock de
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Explosives Control Legislation in the New Congress
By Reynold N. Hoover
The bombing of the Murrah Federal Building in Oklahoma City, Oklahoma, on April 19, 1995, has once again renewed public debate surrounding the availability and use of explosives in the United States.
Jan 1, 1996
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Energy and the Environment - the Nature of the Problem
By Earl Cook
With all our power and hope, we are part of the natural system and subject to its laws. As Francis Bacon pointed out long ago, we must understand those laws and "obey" them if we wish to "conquer natu
Jan 1, 1979
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Surgical Blasting for Paleontological Evidence, Dominion Range, Antarctica
By Quentin L. Rhoton
"The use of explosives in a surgical manner was approved to facilitate, due to time constraints, anextremely significant paleontological find in the Plunket Point area of the Dominion Range, Antarctic
Jan 1, 1999
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Development of Controlled Blasting Pattern for Rock Excavation to Create Foundation of an Industrial Establishment
By Dipankar Gorain, A K. Vishwakarma, Vivek K. Himanshu, Murari P. Roy, Shubham Singh, R S. Yadav
The industrial establishments of a power plant consist of many important structures viz. cooling tower, wagon tippler, track hopper, plants and offices. The leveled foundation is the utmost need for e
Feb 6, 2023
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Direct Calibration of the Heelan Model Using Vibration Data
By Jonathan Zimmerling, Rob Alkins
The model of waves emanating from a blast hole proposed by Heelan, and further developed by Blair and Minchinton, provides an approximation of particle motion in an isotropic, continuous and homogenou
Jan 1, 2013
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Application of Neural Networks to Prediction of Powder Factor and Peak Particle Velocity in Tunnel Blasting
By Yonghun Jong, Chungin Lee
The main purpose of this study was to apply the artificial neural network (ANN) models to determine optimal powder factors and predict peak particle velocities, based on a series of observations and i
Jan 1, 2002
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Difficulties and Suggestions when Drilling and Blasting in a Karst Environment
By James T. Ludwiczak
Drilling and blasting in a Karst (sinkholes and mud seams) environment has long been a problem for blasters, miners, quarry operators, contractors, and developers. While one cannot change the geologic
Jan 1, 2005
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High Profile Project in Historic Affluent Nashville Neighborhood Poses Challenges
By Brent Coleman, Wade Hutchison
The Montgomery Bell Academy project is a parking garage structure topped by a soccer field. This project included expanding parking and moving the present tennis courts. The project is located adjacen
Jan 1, 2012
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From Making Blasts to Making Images
By Fred Drury
I spent 38 years in the Industry in a variety of sales, technical and management positions. I started out with Hercules, then was one of the founders of ECONEX, a large regional Distributor, and final
Jan 1, 2003