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Blasting Solutions For Rapid Mine Expansion
By Stephen Mansfield, Johannes Schoeman
In August 2006 a technical alliance was formed between Orica Mining Services and Century Mine to provide blasting solutions. The alliance is in the form of a Rock to Specification (R2S™) service, one
Jan 1, 2010
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Blasting a Tunnel Through Folsom Dam
By Gregg A. Scott, Gordon F. Revey
"The Folsom Dam is a 340-foot-high concrete gravity dam with embankment wing dams located on the American River about 20 miles northeast of Sacramento, California. Folsom Dam is operated andmaintained
Jan 1, 1999
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An Experimental Method for Producing a Micro-Particle Ammonium Nitrate (MP-AN)
By Christopher Jon Preston
This paper describes a type of ammonium nitrate (AN) produced in a patented experimental atomization/aerodynamic process. This AN exhibits outstanding properties for use as a main ingredient to a new
Jan 1, 2015
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Analysis of Rock Fragmentation by Blasting Using Combined CFD/FEZ/DEM Models
By Alejandro Ferrada Vergara, Héctor Espinoza Muñoz
Drilling and blasting stages are considered factors that impact downstream processes significantly and over all the mining business value chain. Adequate control of these processes may represent energ
Jan 1, 2016
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New State-of-the-Art Instrumentation Systems for Blast Monitoring in Underground and Surface Operations
By Tony A. Rorke, Joe R. Brinkmann
The application of instrumentation to better understand and improve production blasting is one of the most fruitful areas of explosives and blasting research. The majority of instrumented studies of p
Jan 1, 1991
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Momentum Theory – A New Calculation of Blast Design and Assessment of Blast Vibrations
By Robert Boehnke, Bernd Mueller
Despite enormous efforts over the last decades there are still many unanswered questions with respect to calculation and modeling of the blast process using appropriate physical laws. Most calculation
Jan 1, 2003
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Driving Continuous Improvement Through Blast Design Technologies in a Surface Quarry
By Toby Forney, Joshua Schoonover
In typical surface quarry operations, productivity and efficiency related to pit development begin with drilling and blasting efforts. By embedding technology within drilling and blasting operations,
Feb 6, 2023
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Blast Vibrations: A Critical Component of Dilution Control at an Underground Mine
Blast vibration analysis under relatively near-field conditions has been carried out in a narrow-vein underground operation. The objective was to characterize the vibration signal (particle accelerati
Jan 1, 2003
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Geologic Models - The Economic Exploration Tool
By Dennis R. Jr Bell
Before beginning any site development or mineral extraction activity, it has been well documented that it is first prudent to gain an understanding of the prevailing geologic conditions.Whether it’s i
Jan 1, 1997
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Novel Emulsion Explosives Technology and Application
By Dale Ramsey
Emulsion explosives have become the product of choice for many blasting applications and are not limited to just extreme wet hole conditions or special application environments as in the past. Today’s
Jan 1, 2000
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Crystal Falls Dam Demolition and Protection Techniques Using an Air Curtain
By Alex Chapman, Cam Thomas, Bryan Karney
"During the early summer of 1989, Ontario Hydro removed a concrete portion of the North Channel Dam at Crystal Falls Generating Station by blasting and excavating in marine conditions. Because of the
Jan 1, 1992
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Presplitting and Controlled Blasting Techniques, Including Air Decks and Dimension Stone Criteria
The objective in control blasting is to reduce overbreak to control the final pit wall slope, shaft, drift, ditch, bench, etc. to the final planned excavation limit.
Jan 1, 1991
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Post-Blast Cast Profile Shape Prediction at Large Coal Surface Mines
By Paula Pereira
The better the capability of accurately predicting the results of any process the less laborious and costly is the optimization or improvement of that process. Rock blasting is a process that one inte
Jan 1, 2001
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Journal: 100 Years / “The Mine” by the Rev. Isaac Taylor New York, W.B. Gilley 1829 Boring
By Roland Oliver
Detonators or blasting caps are made in several different grades of strength, because some powders require not only a greater, but a different initial detonation than others to convey their maximum en
Jan 1, 2007
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Natural Causes vs. Blasting Damage (0f5bd837-c817-4297-aa85-2fe7a4624b9b)
By Earl C. Hutchison, Wade C. Hutchison
T 0 effectively evaluate property damage that is claimed to have been caused by blasting activities and in order to lay the proper foundation to build the best legal defense, identification of the act
Jan 1, 1995
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Quarry Blasting Management in Urban and Suburban Environment
By Alain Blanchier, Gilles Gomez
Neighborhood pressure on quarries has become urgent to deal with quarry managers and operators must apply the most recent technologies and communicate it for long shelf life time exploitation, the qua
Jan 1, 2009
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Trench Blasting Guidelines & Pitfalls
By Vic Sterner
As cities and towns continue to grow, the need to install sewer, water, gas and other utilities becomes a necessity and the blasting of trenches for these service lines probably constitutes one of the
Jan 1, 2004
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Cap Precision in Perimiter Control Blasting and the Potential Application of Electronic Detonator
By Derek T. Novotny
Blasting cap precision is of major importance to advanced blast design. New technologies have introduced the use of microchips within detonator casings in the hope that the electronic control of the t
Jan 1, 1998
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Evaluation and Selection of Blasthole Drilling Equipment Based on Application and Overall Cost
By George D. Raitt
Anyone who has spent any time in and around the drilling and blasting profession knows that probably the most critical part is the drilling portion. A blasthole is nothing more than a cylindrical vehi
Jan 1, 1990
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Optimization of Fragmentation in benches for Dragline deployed in large opencast coal mines- A case study of Indian mine
By Rajesh Sonkar, Sanjeev Kumar
The deployment of Dragline machines in opencast coal projects involves huge capital expenditure as well as operating costs. The mine operators always endeavor to ensure smooth excavation of material b
Jan 1, 2011