Search Documents
Search Again
Search Again
Refine Search
Refine Search
-
Blasting In Close Proximity to Densely Populated Communities
By Radhe Krishna, Mutale William Chanda, Timothy Mwale
Blasting as a process is the emplacement of industrial explosives into blast holes suitably located to a free surface and detonated. Every blast hole containing a certain amount of explosive charge un
Jan 1, 2015
-
On Board Excavator Dilution Detector
By Benjamin Cebrian
The new technology presented in this paper is a patented system that is installed on board excavators (backhoe or front shovel types). Several control points are set along ore/waste contacts and their
Feb 1, 2020
-
Benchmarking Drill and Blast Compliance to Design, A Case Study
By Alan Tordoir, Mark Roberts
The drill and blast process is a critical function within the production cycle which significantly impacts the ability of an operation to effectively meet its safety and production targets. Acknowledg
Jan 1, 2019
-
The Use of Seismic Measurements to Determine the Blastability of Rock
By R R. Dimock
A goal of all mine operators is to optimize the breakage of the inplace rock to achieve maximum excavating efficiency. The use of the seismograph at Kennecott Copper Corporation's Nevada Mines Divisio
Jan 1, 1976
-
Diagnosis of Utility Pipelines' Response to Explosives using Modal Analysis
By Selamawit Asfaw, Mohamad Sharif
In recent years, the use of modal analysis has increased to include many different aspects of the construction industry. Computer modal analysis can be used in determining the dynamic properties of a
Jan 1, 2000
-
Industrial Risk Assessment and its Applications to Commercial Explosives
By David Leidel
A major characteristic that distinguishes modern society from its predecessors is the understanding that events are not driven by the whims of the gods, pre-ordained fate or nature, but are controlled
Jan 1, 2007
-
Shockwave-Critical Charge Distance to Objects in Water
By Bob de Raadt
For a long time industrial underwater blasting has stood in need of a calculation method, for the determination of shockwave-proof as well as shockwave-effective charge distances to objects in water.
Jan 1, 1980
-
Update on Blasting Near a Crusher
By Scott G. Giltner, Alex Schwenk
This paper is an update on a paper presented at the 2022 ISEE conference. The original paper presented how the mine operator desired to open up ore reserves near several mine structures including two
Jan 21, 2025
-
Wight Pit High Grade Wall Slash
By Art Frye, Lee Pratt, Gaichang Zhao, Greg Newman
This paper will discuss the Wight Pit wall slash at the Mount Polley open-pit copper-gold mine that scavenged a high grade block of ore from two double-benches of the pit wall. The Wight Pit orebody,
Jan 1, 2011
-
Estimating Explosive Gas Pressure Distribution
By John N. Jr Edl
Geokinetics, Inc. has pioneered an in-situ oil shale retorting production process that provides the requisite void space for producing a permeable rubble bed, within the retort zone, by using the expl
Jan 1, 1983
-
Dilution and Ore-Loss Optimization in Underground Mines
By Sami Kara, Marsel Nabium
This paper provides an overview of the solution applied in underground Silver mine in Russia. The paper reviews the dilution problem throughout the entire mining process, and provides a rational appro
Feb 1, 2020
-
Near Borehole Fracture and Fragmentation Studies in Copper Porphyries
By Catherine T. Aimone
A series of experiments have been performed to characterize fragmentation and microcracking in quartz monzonite copper porphyry. The flyer plate impact method was used to generate plane shock waves in
Jan 1, 1985
-
Improving the Amount of Material Cast at Highvale Mine Using Electronic Detonators
By Robert Slivinski, Kyle Hobbs, Michael Stern, John Willox, Brad Jewson
Prairie Mines & Royalty Ltd. produces over 12 million tonnes annually of thermal coal for TransAlta’s Sundance and Keephills power stations from the Highvale Mine. This opencast mine is next to a lake
Jan 1, 2008
-
Dust Control in the Environment Using New Technologies and Blasting Techniques.
By L. Muñoz, L. Steffen, W. Vilas
The emission of particulate material is one of the several parameters related to environmental control in mining operations near communities. Blasting is an event that generates and leaves a large amo
Jan 1, 2024
-
NOx Emissions from Blasting Activities in a Surface Mining Operation
By Joshua Hoffman, Catherine Johnson, Braden Lusk
Blasting conducted in surface coal mining operations in the Appalachian region consumes a significant amount of blasting agents. Emission of oxides of nitrogen (NOx) from these operations potentially
Jan 1, 2014
-
Blasting-Related Carbon Monoxide Incident in Bristow, Virginia
By Richard J. Mainiero, Marcia L. Harris, James H. Rowland
In the past several years, there have been a number of blasting-related carbon monoxide migration incidents. In each case, there have been some common factors that appear to be related to carbon monox
Jan 1, 2004
-
A Method of Measuring Continuous Detonation Rates Using Off-the-Shelf Items
By Robert A. Cortese, Lon D. Santis
This paper describes a method of measuring continuous detonation rates using standard electronic parts, coaxial cable, and a data recorder such as an oscilloscope. Three six-volt lantern batteries or
Jan 1, 1996
-
Theoretical Study and Possible Application of Blast Casting Technique in Phosphate Rock Strip Mining
By Salah A. Taqieddin
The blast casting technique of removing overburden is an innovative technique which was successfully used in the mining of certain surface coal and quarries. This method was found to be efficient in
Jan 1, 1992
-
Toxic Fumes on the Rocks
By Michael S. Wieland
Toxic fume concentrations from industrial mining explosives depend somewhat upon the type of rock (or other strata) confinement. Though traditional detonation theory disregards this influence, the wor
Jan 1, 2005
-
The Development of a Low Shock Energy Ammonium Nitrate Based Explosive (719231f0-e844-434c-a59b-03c7b4557859)
By Jaki M. Wilson, Neville T. Moxon
The detonation pressure of ANFO can be significantly reduced by the addition of low density materials such as polystyrene, bagasse, sawdust or perlite. Laboratory and field test results have shown tha
Jan 1, 1989